This is a list of satellites which have been given USA designations. These designations have been applied to most US

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 military satellites since 1984, and replaced the earlier OPS designation. It is comparable to the Soviet

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

/Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n Kosmos designation.

, 225 satellites have received USA designations. For an unknown reason, the designation USA-163 has never been assigned.

Number	Launch date	Rocket	Other designations	Function	Status	Remarks
USA-1		Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	Navstar-9 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-2	1984-06-25	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs...	KH-9-19	Reconnaissance	Deorbited: 1984-10-18	Launched with USA-3
USA-3	1984-06-25	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs...	SSF-D-5	ELINT	Out of service	Launched with USA-2
USA-4	1984-08-28	Titan 34B	SDS-5 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...	Out of service
USA-5	1984-09-08	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	Navstar-10 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-6	1984-12-04	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs...	KH-11-6 KH-11 The KH-11 KENNAN, renamed CRYSTAL in 1982 and also referenced by the codenames 1010, and "Key Hole", is a type of reconnaissance satellite launched by the American National Reconnaissance Office since December 1976...	Reconnaissance	Decayed: 1990-12-31
USA-7	1984-12-22	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs... /Transtage Transtage Transtage was an American upper stage used on Titan III rockets. 40 were launched, of which three failed.The first launch, boosted by a Titan IIIA carrier rocket, occurred on 1 September 1964. The Transtage failed to pressurise, resulting in premature engine cutoff, and a failure to reach orbit....	DSP-2-6R Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Retired: 1994-12-31
USA-8	1985-01-24		Magnum-1 Magnum (satellite) Magnum is the code name for a class of SIGINT spy satellites reportedly operated by the National Reconnaissance Office for the United States Central Intelligence Agency...	ELINT	Out of service
USA-9	1985-02-08	Titan 34B	SDS-6 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...	Out of service
USA-10	1985-10-09	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	Navstar-10 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-11	1985-10-03		DSCS-III-F2	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...	Out of service	Launched with USA-12
USA-12	1985-10-03		DSCS-III-F3	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...	Out of service	Launched with USA-11
USA-13	1985-12-13	Scout-G Scout (rocket) The Scout family of rockets were launch vehicles designed to place small satellites into orbit around the Earth. The Scout multistage rocket was the first orbital launch vehicle to be entirely composed of solid fuel stages....	ITV-1	Inflatable ASAT Anti-satellite weapon Anti-satellite weapons are designed to incapacitate or destroy satellites for strategic military purposes. Currently, only the United States, the former Soviet Union, and the People's Republic of China are known to have developed these weapons. On September 13, 1985, the United States destroyed US...  target	Failed. Decayed: 1989-05-11	Launched with USA-14. Failed to inflate.
USA-14	1985-12-13	Scout-G Scout (rocket) The Scout family of rockets were launch vehicles designed to place small satellites into orbit around the Earth. The Scout multistage rocket was the first orbital launch vehicle to be entirely composed of solid fuel stages....	ITV-2	Inflatable ASAT Anti-satellite weapon Anti-satellite weapons are designed to incapacitate or destroy satellites for strategic military purposes. Currently, only the United States, the former Soviet Union, and the People's Republic of China are known to have developed these weapons. On September 13, 1985, the United States destroyed US...  target	Decayed: 1987-08-09	Launched with USA-14. Unused
USA-15	1986-02-09	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-7 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-8 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....	SIGINT	Out of service	Deployed subsatellites, USA-16, 17 and 18
USA-16	1986-02-09	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-7 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-8 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....  Subsatellite	SIGINT	Out of service	Subsatellite of USA-15
USA-17	1986-02-09	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-7 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-8 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....  Subsatellite	SIGINT	Out of service	Subsatellite of USA-15
USA-18	1986-02-09	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-7 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-8 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....  Subsatellite	SIGINT	Out of service	Subsatellite of USA-15
USA-19	1986-09-05	Delta 3920 Delta rocket Delta is a versatile family of expendable launch systems that has provided space launch capability in the United States since 1960. There have been more than 300 Delta rockets launched, with a 95 percent success rate. Two Delta launch systems – Delta II and Delta IV – are in active use...	SDI	Sensor development	Deorbited: 1986-09-28
USA-20	1986-12-05	Atlas G Atlas G The Atlas G, also known as Atlas G Centaur-D1AR was an American expendable launch system derived from the Atlas-Centaur. It was a member of the Atlas family of rockets, and was used to launch seven communication satellites during the mid to late 1980s...	Fltsatcom-7	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-21	1987-02-12	Titan 34B	SDS-7 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...	Out of service
USA-22	1987-05-15	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-8 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-9 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....	SIGINT	Out of service	Deployed subsatellites, USA-23, 24 and 25
USA-23	1987-05-15	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-8 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-9 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....  Subsatellite	SIGINT	Out of service	Subsatellite of USA-22
USA-24	1987-05-15	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-8 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-9 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....  Subsatellite	SIGINT	Out of service	Subsatellite of USA-22
USA-25	1987-05-15	Atlas H Atlas H The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile. It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office...	NOSS-8 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /PARCAE-9 Parcae thumb|#00px|Early 16th-century [[millefleur tapestry]] depicting the Three Fates under their Greek namesIn Roman mythology, the Parcae were the personifications of destiny, often called The Fates in English. Their Greek equivalent were the Moirae. They controlled the metaphorical thread of life of... /White Cloud Naval Ocean Surveillance System The Naval Ocean Surveillance System , reportedly also called White Cloud and PARCAE, refers to one or several systems of SIGINT satellites which conducted ELINT for the U.S. Navy beginning in the early 1970s....  Subsatellite	SIGINT	Out of service	Subsatellite of USA-22
USA-26	1987-06-20	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	DMSP-S8 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...  (5D-2 F3)	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-27	1987-10-26	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs...	KH-11-8 KH-11 The KH-11 KENNAN, renamed CRYSTAL in 1982 and also referenced by the codenames 1010, and "Key Hole", is a type of reconnaissance satellite launched by the American National Reconnaissance Office since December 1976...	Reconnaissance	Decayed: 1992-05-31
USA-28	1987-11-29	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs... /Transtage Transtage Transtage was an American upper stage used on Titan III rockets. 40 were launched, of which three failed.The first launch, boosted by a Titan IIIA carrier rocket, occurred on 1 September 1964. The Transtage failed to pressurise, resulting in premature engine cutoff, and a failure to reach orbit....	DSP-2-5R Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Retired: 1987-12-31
USA-29	1989-02-03	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	DMSP-S9 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...  (5D-2 F4)	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-30	1988-02-08	Delta 3910 Delta rocket Delta is a versatile family of expendable launch systems that has provided space launch capability in the United States since 1960. There have been more than 300 Delta rockets launched, with a 95 percent success rate. Two Delta launch systems – Delta II and Delta IV – are in active use...	SDI	Training satellite	Deorbited: 1988-03-01
USA-31	1988-09-02	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs... /Transtage Transtage Transtage was an American upper stage used on Titan III rockets. 40 were launched, of which three failed.The first launch, boosted by a Titan IIIA carrier rocket, occurred on 1 September 1964. The Transtage failed to pressurise, resulting in premature engine cutoff, and a failure to reach orbit....	Chalet-5	ELINT	Failed	Placed in useless orbit due to Transtage Transtage Transtage was an American upper stage used on Titan III rockets. 40 were launched, of which three failed.The first launch, boosted by a Titan IIIA carrier rocket, occurred on 1 September 1964. The Transtage failed to pressurise, resulting in premature engine cutoff, and a failure to reach orbit....  malfunction
USA-32	1988-09-05	Titan 23G Titan 23G The Titan 23G, Titan IIG, Titan 2G or Titan II SLV was an American expendable launch system derived from the LGM-25C Titan II intercontinental ballistic missile. Retired Titan II missiles were converted by Martin Marietta, into which the Glenn L. Martin Company, which built the original Titan II,...	Singleton/SBWASS-R1	SIGINT
USA-33	1988-11-06	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs...	KH-11-9 KH-11 The KH-11 KENNAN, renamed CRYSTAL in 1982 and also referenced by the codenames 1010, and "Key Hole", is a type of reconnaissance satellite launched by the American National Reconnaissance Office since December 1976...	Reconnaissance	Out of service
USA-34	1988-12-02		Lacrosse-1 Lacrosse (satellite) For the 2009 Lunar Impactor Mission designed to crash into the moon, see LCROSS.Lacrosse and Onyx are the code names for the United States' National Reconnaissance Office terrestrial radar imaging reconnaissance satellite. While not officially confirmed by the NRO or anybody in the U.S...	Radar reconnaissance	Deorbited: 1997-03-25
USA-35	1989-02-14	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-1 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Retired: 2000-04-14
USA-36	1989-03-24	Delta 3920-8 Delta rocket Delta is a versatile family of expendable launch systems that has provided space launch capability in the United States since 1960. There have been more than 300 Delta rockets launched, with a 95 percent success rate. Two Delta launch systems – Delta II and Delta IV – are in active use...	Delta Star		Decayed: 1992-06-23
USA-37	1989-05-10	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs... /Transtage Transtage Transtage was an American upper stage used on Titan III rockets. 40 were launched, of which three failed.The first launch, boosted by a Titan IIIA carrier rocket, occurred on 1 September 1964. The Transtage failed to pressurise, resulting in premature engine cutoff, and a failure to reach orbit....	Chalet-6	ELINT	Out of service
USA-38	1989-06-10	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-2 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-39	1989-06-14	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1-14 F14 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Active
USA-40	1989-08-08		SDS-2-1 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...		Launched with USA-41
USA-41	1989-08-08		SSF SSF -Computers:* Shortest seek first, a secondary storage scheduling algorithm to determine the motion of the disk's arm and head in servicing read and write requests-Concepts:*semi-solid forming, a casting method utilizing metal that is 50% liquid... /COBRA BRASS	SIGINT	Decayed: 1989-12-31	Launched with USA-41
USA-42	1989-08-18	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-3 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-43	1989-09-04	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs... /Transtage Transtage Transtage was an American upper stage used on Titan III rockets. 40 were launched, of which three failed.The first launch, boosted by a Titan IIIA carrier rocket, occurred on 1 September 1964. The Transtage failed to pressurise, resulting in premature engine cutoff, and a failure to reach orbit....	DSCS-II-F16	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...		Launched with USA-44
USA-44	1989-09-04	Titan 34D Titan III The Titan IIIC was a space booster used by the United States Air Force. It was launched from Cape Canaveral Air Force Station, FL., and Vandenberg Air Force Base, CA. It was planned to be used as a launch vehicle in the cancelled Dyna-Soar and Manned Orbiting Laboratory programs... /Transtage Transtage Transtage was an American upper stage used on Titan III rockets. 40 were launched, of which three failed.The first launch, boosted by a Titan IIIA carrier rocket, occurred on 1 September 1964. The Transtage failed to pressurise, resulting in premature engine cutoff, and a failure to reach orbit....	DSCS-III-F4	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...		Launched with USA-43
USA-45	1989-09-06	Titan 23G Titan 23G The Titan 23G, Titan IIG, Titan 2G or Titan II SLV was an American expendable launch system derived from the LGM-25C Titan II intercontinental ballistic missile. Retired Titan II missiles were converted by Martin Marietta, into which the Glenn L. Martin Company, which built the original Titan II,...	Singleton/SBWASS-R2	SIGINT	Failed	Failed to leave parking orbit due to on-board propulsion malfunction
USA-46	1989-09-25	Atlas G Atlas G The Atlas G, also known as Atlas G Centaur-D1AR was an American expendable launch system derived from the Atlas-Centaur. It was a member of the Atlas family of rockets, and was used to launch seven communication satellites during the mid to late 1980s...	Fltsatcom-8	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-47	1989-10-21	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-4 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-48	1989-11-23		Magnum-2 Magnum (satellite) Magnum is the code name for a class of SIGINT spy satellites reportedly operated by the National Reconnaissance Office for the United States Central Intelligence Agency...	ELINT
USA-49	1989-12-11	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-5 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-50	1990-01-24	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-6 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-51	1990-02-14	Delta 6920-8 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	LACE Lace (disambiguation) Lace is a lightweight fabric patterned with open holes.Lace may refer to:* Shoelace, a thin cord fitted to shoes to keep the shoes in place-Media & arts:... /Losat-L	Technology	Decayed: 2000-05-24	Launched with USA-52
USA-52	1990-02-14	Delta 6920-8 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	RME RME RME Audio is a German company, based in Haimhausen, that designs and builds professional audio hardware, including audio interfaces, analog to digital converters, and digital-to-analog converters. While the majority of their audio interface solutions are PCIbased as well as PCI-Express, they... /Losat-R	Technology	Decayed: 1992-05-24	Launched with USA-51
USA-53	1990-02-28		Misty-1 Misty (classified project) Misty is reportedly the name of a classified project by the United States National Reconnaissance Office to operate stealthy reconnaissance satellites. The satellites are conjectured to be photo reconnaissance satellites and the program has been the subject of atypically public debates about its...	Reconnaissance satellite	Presumed deorbited	Stealth satellite. Last sighting in 1997.
USA-54	1990-03-26	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-7 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Failed: 1996-05-21	Signal anomaly made satellite unusable
USA-55	1990-04-05	Pegasus	GLOMR-2/SECS/TERCEL Tercel Tercel may refer to:*Tercel, the traditional term for a male falcon*Toyota Tercel, a model of car...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-56	1990-04-11	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	P87-2/Stacksat/POGS Pogs Pogs is a game that was popularized during the early 1990s. The word "pog" also refers to the discs used to play the game. The name originates from POG, a brand of juice made from passionfruit, orange and guava; the use of the POG bottle caps to play the game pre-dated the game's commercialization... /SSR SSR -Businesses, entertainment and products:* Station Service Retail, a part of the SAP Module SD to manage the Fuel station service* Solid State Records* Chevrolet SSR, a Chevrolet small truck* Disney's Saratoga Springs Resort & Spa...	Technology	Out of service	Launched with USA-57 and 58
USA-57	1990-04-11	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	P87-2/Stacksat/TEX Tex Tex may refer to:*Tex , a unit of measure for the linear mass density of fibers*TeX, pronounced "tech", a typesetting system created by Donald E...	Technology	Out of service	Launched with USA-56 and 58
USA-58	1990-04-11	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	P87-2/Stacksat/SCE SCE SCE is an abbreviation with multiple meanings:* Short-channel effect, a secondary effect describing the reduction in threshold voltage Vth in MOSFETs with non-uniformly doped channel regions as the gate length increases...	Technology	Out of service	Launched with USA-56 and 57
USA-59	1990-06-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-9 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Deployed subsatellites, USA-60, 61 and 62
USA-60	1990-06-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-9-1 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-59
USA-61	1990-06-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-9-2 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-59
USA-62	1990-06-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-9-3 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-59
USA-63	1990-08-02	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-8 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-64	1990-10-01	Delta 6925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-II-9 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-65	1990-11-13	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1-14 F15 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Active
USA-66	1990-11-26	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-1 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-67	1990-11-15		Magnum-3 Magnum (satellite) Magnum is the code name for a class of SIGINT spy satellites reportedly operated by the National Reconnaissance Office for the United States Central Intelligence Agency...	ELINT
USA-68	1990-12-01	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	DMSP S-10 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...  (5D-2 F5)	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...	Failed	Placed in useless orbit due to upper stage malfunction
USA-69	1991-03-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Lacrosse-2 Lacrosse (satellite) For the 2009 Lunar Impactor Mission designed to crash into the moon, see LCROSS.Lacrosse and Onyx are the code names for the United States' National Reconnaissance Office terrestrial radar imaging reconnaissance satellite. While not officially confirmed by the NRO or anybody in the U.S...	Radar reconnaissance	Active
USA-70	1991-04-28		MPEC	Technology development
USA-71	1991-07-04	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-2 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-72	1991-11-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-10 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Deployed subsatellites, USA-74, 76 and 77
USA-73	1991-11-28	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	DMSP S-12 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...  (5D-2 F6)	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-74	1991-11-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-10-1 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-72
USA-75	1991-11-24		DSP-1-14-F16 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection
USA-76	1991-11-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-10-2 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-72
USA-77	1991-11-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-10-3 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-72
USA-78	1992-02-11	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B14	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-79	1992-02-23	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-3 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Decommissioned
USA-80	1992-04-10	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-4 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-81	1992-04-25	Titan 23G Titan 23G The Titan 23G, Titan IIG, Titan 2G or Titan II SLV was an American expendable launch system derived from the LGM-25C Titan II intercontinental ballistic missile. Retired Titan II missiles were converted by Martin Marietta, into which the Glenn L. Martin Company, which built the original Titan II,...	Singleton/SBWASS-R3	SIGINT
USA-82	1992-07-02	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B12	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-83	1992-07-07	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-5 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-84	1992-09-09	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-6 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-85	1992-11-22	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-7 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-86	1992-11-28	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Improved Crystal/KH-12-1	Optical reconnaissance
USA-87	1992-12-18	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-8 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-88	1993-02-03	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-9 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-89	1992-12-02		SDS-2-3 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-90	1993-03-30	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-10 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-91	1993-05-13	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-11 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-92	1993-06-26	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-12 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-93	1993-07-19	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B9	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-94	1993-08-30	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-13 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Out of service
USA-95	1993-09-03	Atlas I Atlas I The Atlas I was an American expendable launch system, used in the 1990s to launch a variety of different satellites. The "I" in "Atlas I" can cause confusion, as all previous Atlas rockets were designated using letters, ending with the Atlas H, however subsequent rockets were designated using roman...	UHF F/O-2	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-96	1993-10-26	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-14 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-97	1993-11-28	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B10	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-98	1993-12-08	Delta 7925 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	NATO-4B	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-99	1994-02-07	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Milstar-1	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-100	1994-03-10	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-15 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-101	1994-02-13	Taurus Taurus rocket Taurus is a four stage, solid fuel launch vehicle built in the United States by Orbital Sciences Corporation. It is based on the air-launched Pegasus rocket from the same manufacturer. The Taurus rocket is able to carry a payload of around 1,350 kg into a low Earth orbit. First launched in 1994,...	STEP-0	Technology development		Launched with USA-102
USA-102	1994-02-13	Taurus Taurus rocket Taurus is a four stage, solid fuel launch vehicle built in the United States by Orbital Sciences Corporation. It is based on the air-launched Pegasus rocket from the same manufacturer. The Taurus rocket is able to carry a payload of around 1,350 kg into a low Earth orbit. First launched in 1994,...	DarpaSat	Technology development		Launched with USA-101
USA-103	1994-05-03	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Trumpet-1 Trumpet (satellite) TRUMPET , called Advanced Jumpseat by some observers, is reportedly a codename for a series of ELINT reconnaissance satellites launched by the United States during the 1990s to replace the Jumpseat satellites...	ELINT
USA-104	1994-06-24	Atlas I Atlas I The Atlas I was an American expendable launch system, used in the 1990s to launch a variety of different satellites. The "I" in "Atlas I" can cause confusion, as all previous Atlas rockets were designated using letters, ending with the Atlas H, however subsequent rockets were designated using roman...	UHF F/O-3	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-105	1994-08-27	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Mercury-1 Mercury (satellite) MERCURY is reportedly the name of a series of three United States spy satellites launched in the 1990s. These satellites were launched and operated by the National Reconnaissance Office with the participation of the United States Air Force. Two of the three launches from Cape Canaveral were...	ELINT
USA-106	1994-08-29	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	DMSP 5D-1 F12 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-107	1994-12-22	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1 F17 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Active
USA-108	1995-01-29	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	UHF F/O-4	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-109	1995-03-24	Atlas E/F Atlas E/F The Atlas E/F, also designated SB-1A was an American expendable launch system and sounding rocket built using parts of decommissioned SM-65 Atlas missiles...	DMSP 5D-1 F13 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-110	1995-05-14	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Mentor-1 Mentor (satellite) MENTOR, sometimes called Advanced Orion by observers, is reportedly a code-name for a class of United States spy satellites that collect signals intelligence from space...	ELINT
USA-111	1995-05-31	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	UHF F/O-5	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-112	1995-07-10	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Trumpet-2 Trumpet (satellite) TRUMPET , called Advanced Jumpseat by some observers, is reportedly a codename for a series of ELINT reconnaissance satellites launched by the United States during the 1990s to replace the Jumpseat satellites...	ELINT
USA-113	1995-07-31	Atlas IIA Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B7	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-114	1995-10-22	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	UHF F/O-6	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-115	1995-11-06	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Milstar-2	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-116	1995-12-05	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Improved Crystal/KH-12-2	Optical reconnaissance	Presumed deorbited	not seen since late 2008
USA-117	1996-03-28	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-16 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-118	1996-04-24	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Mercury-2 Mercury (satellite) MERCURY is reportedly the name of a series of three United States spy satellites launched in the 1990s. These satellites were launched and operated by the National Reconnaissance Office with the participation of the United States Air Force. Two of the three launches from Cape Canaveral were...	ELINT
USA-119	1996-05-12	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-11 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Deployed subsatellites, USA-120, 121 and 122, Launched with USA-123 and 124
USA-120	1996-05-12	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-11-1 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-119
USA-121	1996-05-12	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-11-2 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-119
USA-122	1996-05-12	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	NOSS-11-3 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:...	Ocean surveillance		Subsatellite of USA-119
USA-123	1996-05-12	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	TIPS-Ralph	Technology		Launched with USA-119 and subsatellites, and USA-124
USA-124	1996-05-12	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	TIPS-Norton	Technology		Launched with USA-119 and subsatellites, and USA-123
USA-125	1996-07-03	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	SDS-2-4 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-126	1996-07-16	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-17 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-127	1996-07-25	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	UHF F/O-7	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-128	1996-09-12	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-18 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-129	1996-12-20	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Improved Crystal/KH-12-3	Optical reconnaissance	Out of service
USA-130	1997-02-23	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1-18 F18 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Active
USA-131	1997-04-04	Titan 23G Titan 23G The Titan 23G, Titan IIG, Titan 2G or Titan II SLV was an American expendable launch system derived from the LGM-25C Titan II intercontinental ballistic missile. Retired Titan II missiles were converted by Martin Marietta, into which the Glenn L. Martin Company, which built the original Titan II,...	DMSP 5D-2 F14 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-132	1997-07-23	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-2 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-133	1997-10-24	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Lacrosse-3 Lacrosse (satellite) For the 2009 Lunar Impactor Mission designed to crash into the moon, see LCROSS.Lacrosse and Onyx are the code names for the United States' National Reconnaissance Office terrestrial radar imaging reconnaissance satellite. While not officially confirmed by the NRO or anybody in the U.S...	Radar reconnaissance	Active
USA-134	1997-11-06	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIA-19 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation	Active
USA-135	1997-10-25	Atlas IIA Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B13	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...		Launched with FalconSat-Gold FalconSAT FalconSAT is the name of the United States Air Force Academy's small satellite engineering program. Satellites are designed, built, tested, and operated by Academy cadets. The project is administered by the USAFA Space Systems Research Center under the direction of the Department of Astronautics...
USA-136	1997-11-06	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Trumpet-3 Trumpet (satellite) TRUMPET , called Advanced Jumpseat by some observers, is reportedly a codename for a series of ELINT reconnaissance satellites launched by the United States during the 1990s to replace the Jumpseat satellites...	ELINT
USA-137	1998-01-29	Atlas IIA Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	SDS-3-1 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present... /NROL-5/Capricorn	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-138	1998-03-15	Atlas II Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	UHF F/O-8	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-139	1998-05-09	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Mentor-2 Mentor (satellite) MENTOR, sometimes called Advanced Orion by observers, is reportedly a code-name for a class of United States spy satellites that collect signals intelligence from space...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-140	1998-10-20	Atlas IIA Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	UHF F/O-9	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-141	1998-10-03	Taurus Taurus rocket Taurus is a four stage, solid fuel launch vehicle built in the United States by Orbital Sciences Corporation. It is based on the air-launched Pegasus rocket from the same manufacturer. The Taurus rocket is able to carry a payload of around 1,350 kg into a low Earth orbit. First launched in 1994,...	ATEX Atex Atex is a company specializing in the development of advertising and content management systems. The company was established in Massachusetts in 1973 and grew to become a worldwide software supplier to the publishing industry...	Debris	Failed: 1999-01-16	Debris from STEX STEX STEX was an experimental NRO satellite built by Lockheed Martin. It was launched on October 3, 1998. One of the experiments was ATEx , which was deployed on 22. January 1999, and subsequently jettisoned.- External links :* at Gunter's Space Page...  satellite tether experiment
USA-142	1999-04-09	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1-18 F19 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Failed: 1999-04-09	IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...  failed to separate Left in useless orbit
USA-143	1999-04-30	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Milstar-3	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...	Failed: 1999-04-30	Centaur programming error resulted in incorrect burn times, placed in useless orbit
USA-144	1999-05-22	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Misty-2	Reconnaissance	Presumed active	Stealth satellite, only object ever placed in orbit which amateurs are unable to track
USA-145	1999-10-07	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-3 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-146	1998-11-23	Atlas IIA Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	UHF F/O-10	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-147	1999-12-12	Titan 23G Titan 23G The Titan 23G, Titan IIG, Titan 2G or Titan II SLV was an American expendable launch system derived from the LGM-25C Titan II intercontinental ballistic missile. Retired Titan II missiles were converted by Martin Marietta, into which the Glenn L. Martin Company, which built the original Titan II,...	DMSP 5D-3 F15 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-148	2000-01-21	Atlas IIA Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B8	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-149	2000-05-08	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1-18 F20 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Active
USA-150	2000-05-11	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-4 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-151	2000-07-16	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-5 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-152	2000-08-17	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Lacrosse-4 Lacrosse (satellite) For the 2009 Lunar Impactor Mission designed to crash into the moon, see LCROSS.Lacrosse and Onyx are the code names for the United States' National Reconnaissance Office terrestrial radar imaging reconnaissance satellite. While not officially confirmed by the NRO or anybody in the U.S... /Onyx-1	Radar reconnaissance	Active
USA-153	2000-10-20	Atlas IIA Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	DSCS-III-B11	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-154	2000-11-10	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-6 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-155	2000-12-06	Atlas IIAS Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	SDS-3-2 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present... /NRO L-10/Great Bear	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-156	2001-01-30	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-7 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-157	2001-02-27	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Milstar-4	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-158	2001-05-18	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GeoLITE/NRO L-17	Technology/Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-159	2001-08-06	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1-18 F21 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Active
USA-160	2001-09-08	Atlas IIAS Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	NOSS-3-1 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /NRO L-13/Gemini	Naval reconnaissance		Two satellites sharing one designation
USA-161	2001-10-05	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Improved Crystal/KH-12-4	Optical reconnaissance	Active
USA-162	2000-10-11	Atlas IIAS Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	SDS-3-3 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present... /NRO L-12/Aquila	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-163	Not launched
USA-164	2002-01-16	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Milstar-5	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-165	2005-04-11	Minotaur	XSS-11	Technology development
USA-166	2003-01-29	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-8 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-167	2003-03-11	Delta IVM	DSCS-III-A3	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-168	2003-03-31	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-9 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-169	2003-04-08	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Milstar-6	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-170	2003-08-29	Delta IVM	DSCS-III-B6	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-171	2001-02-27	Titan IV Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /Centaur Centaur (rocket stage) Centaur is a rocket stage designed for use as the upper stage of space launch vehicles. Centaur boosts its satellite payload to geosynchronous orbit or, in the case of an interplanetary space probe, to or near to escape velocity...	Mentor-3 Mentor (satellite) MENTOR, sometimes called Advanced Orion by observers, is reportedly a code-name for a class of United States spy satellites that collect signals intelligence from space... /NRO L-19	ELINT
USA-172	2003-10-18	Titan 23G Titan 23G The Titan 23G, Titan IIG, Titan 2G or Titan II SLV was an American expendable launch system derived from the LGM-25C Titan II intercontinental ballistic missile. Retired Titan II missiles were converted by Martin Marietta, into which the Glenn L. Martin Company, which built the original Titan II,...	DMSP 5D-3 F16 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...	Weather Weather satellite The weather satellite is a type of satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be either polar orbiting, seeing the same swath of the Earth every 12 hours, or geostationary, hovering over the same spot on Earth by orbiting over the equator while...
USA-173	2003-12-02	Atlas IIAS Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	NOSS-3-2 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /NRO L-18/Libra	Naval reconnaissance		Two satellites sharing one designation
USA-174	1998-12-18	Atlas IIIB Atlas III The Lockheed Martin Atlas III was an American orbital launch vehicle, used between 2000 and 2005. It was the first member of the Atlas family since the Atlas A to feature a "normal" staging method, compared to the previous Atlas family members, which were equipped with jettisonable engines on the...	UHF F/O-11	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-175	2003-12-21	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-10 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-176	2004-02-14	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The... /IUS Inertial Upper Stage The Inertial Upper Stage , originally known as the Interim Upper Stage, is a two-stage solid-fueled booster rocket developed by the U.S...	DSP-1-18 F22 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Active
USA-177	2004-03-20	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-11 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-178	2004-06-23	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-12 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-179	2004-08-31	Atlas IIAS Atlas II Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. Atlas II was the last Atlas to use a three engine, "stage-and-a-half" design: two of its three engines were jettisoned during ascent, but its fuel tanks and other...	SDS-3-4 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present... /NRO L-1/Nemesis	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-180	2004-11-06	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-13 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....	Navigation
USA-181	2005-02-03	Atlas IIIB Atlas III The Lockheed Martin Atlas III was an American orbital launch vehicle, used between 2000 and 2005. It was the first member of the Atlas family since the Atlas A to feature a "normal" staging method, compared to the previous Atlas family members, which were equipped with jettisonable engines on the...	NOSS-3-3 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /NRO L-23/Canis Minor	Naval reconnaissance		Two satellites sharing one designation
USA-182	2005-04-30	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Lacrosse-5 Lacrosse (satellite) For the 2009 Lunar Impactor Mission designed to crash into the moon, see LCROSS.Lacrosse and Onyx are the code names for the United States' National Reconnaissance Office terrestrial radar imaging reconnaissance satellite. While not officially confirmed by the NRO or anybody in the U.S... /Onyx-2	Radar reconnaissance	Active
USA-183	2005-09-26	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-14 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-1)	Navigation
USA-184	2006-06-25	Delta IVM+(4,2)	Trumpet-4 Trumpet (satellite) TRUMPET , called Advanced Jumpseat by some observers, is reportedly a codename for a series of ELINT reconnaissance satellites launched by the United States during the 1990s to replace the Jumpseat satellites... /NRO L-22	ELINT
USA-185	2005-09-23	Minotaur	STP-R1	Technology development
USA-186	2005-10-19	Titan IVB Titan IV The Titan IV family of space boosters were used by the U.S. Air Force. They were launched from Cape Canaveral Air Force Station, Florida, and Vandenberg Air Force Base, California. At the time of its introduction, the Titan IV was the "largest unmanned space booster used by the Air Force."The...	Improved Crystal/KH-12-5	Optical reconnaissance	Active
USA-187	2006-06-21	Delta 7925 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	MiTEx-A MiTEx The Micro-satellite Technology Experiment is a microsatellite-based mission launched into geosynchronous orbit June 21, 2006 aboard a Delta II rocket. The US Air Force described the mission as a "technology demonstration" for the Defense Advanced Research Projects Agency , the U.S. Air Force and...	Technology		Launched with USA-188 and 189
USA-188	2006-06-21	Delta 7925 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	MiTEx-B MiTEx The Micro-satellite Technology Experiment is a microsatellite-based mission launched into geosynchronous orbit June 21, 2006 aboard a Delta II rocket. The US Air Force described the mission as a "technology demonstration" for the Defense Advanced Research Projects Agency , the U.S. Air Force and...	Technology		Launched with USA-187 and 189
USA-189	2006-06-21	Delta 7925 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	MiTEx Carrier MiTEx The Micro-satellite Technology Experiment is a microsatellite-based mission launched into geosynchronous orbit June 21, 2006 aboard a Delta II rocket. The US Air Force described the mission as a "technology demonstration" for the Defense Advanced Research Projects Agency , the U.S. Air Force and...	Technology		Launched with USA-187 and 188
USA-190	2006-09-25	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-15 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-2)	Navigation	Active
USA-191	2006-11-04	Delta IVM	DMSP 5D-3 F17 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...	Weather
USA-192	2006-11-17	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-16 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-3)	Navigation	Active
USA-193	2006-12-14	Delta 7920-10 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	NRO L-21	Unknown	Failed: 2006-12-14 Destroyed: 2008-02-21	Failed immediately after separation from rocket. Destroyed by ASAT Anti-satellite weapon Anti-satellite weapons are designed to incapacitate or destroy satellites for strategic military purposes. Currently, only the United States, the former Soviet Union, and the People's Republic of China are known to have developed these weapons. On September 13, 1985, the United States destroyed US... .
USA-194	2007-06-15	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  401	NOSS-3-4 Noss Noss is a small, previously inhabited island in Shetland, Scotland. It is a sheep farm and has been a National Nature Reserve since 1955.-Geography:... /NRO L-30R/Pyxis	Naval reconnaissance		Two satellites under one designation
USA-195	2007-10-11	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  421	WGS-1 Wideband Global SATCOM system The Wideband Global SATCOM system is a satellite communications system planned for use in partnership by the United States Department of Defense and the Australian Department of Defence. The system is composed of the Space Segment satellites, the Terminal Segment users and the Control Segment...	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-196	2007-10-17	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-17 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-4)	Navigation	Active
USA-197	2007-11-11	Delta IVH Delta IV rocket Delta IV is an active expendable launch system in the Delta rocket family. Delta IV uses rockets designed by Boeing's Integrated Defense Systems division and built in the United Launch Alliance facility in Decatur, Alabama. Final assembly is completed at the launch site by ULA...	DSP-1-18 F23 Defense Support Program The Defense Support Program is a program of the U.S. Air Force that operates the reconnaissance satellites which form the principal component of the Satellite Early Warning System currently used by the United States....	Missile detection	Failed
USA-198	2007-12-10	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  401	SDS-3-5 Satellite Data System The Satellite Data System is a system of United States military communications satellites. At least three generations have been used: SDS-1 from 1976 to 1987; SDS-2 from 1989 to 1996; SDS-3 from 1998 to the present... /NRO L-24/Scorpius	Comsat Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...
USA-199	2007-12-20	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-18 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-5)	Navigation	Active
USA-200	2008-03-13	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  411	Trumpet-5 Trumpet (satellite) TRUMPET , called Advanced Jumpseat by some observers, is reportedly a codename for a series of ELINT reconnaissance satellites launched by the United States during the 1990s to replace the Jumpseat satellites... /NRO L-28	ELINT
USA-201	2008-03-15	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-19 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-6)	Navigation	Active
USA-202	2009-01-18	Delta IVH	NRO L-26 (Intruder Intruder (satellite) Intruder, also known as IOSA is reported to be the codename for a spy satellite system to be operated by the United States National Reconnaissance Office, which will replace the current Mentor and Mercury systems. The satellites were reported to have been under development in 1995... /Mentor Mentor (satellite) MENTOR, sometimes called Advanced Orion by observers, is reportedly a code-name for a class of United States spy satellites that collect signals intelligence from space... )	ELINT	Active
USA-203	2009-03-24	Delta 7925-9.5 Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...	GPS-IIR-20 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-7)	Navigation	Active
USA-204	2009-04-04	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  421	WGS-2 Wideband Global SATCOM system The Wideband Global SATCOM system is a satellite communications system planned for use in partnership by the United States Department of Defense and the Australian Department of Defence. The system is composed of the Space Segment satellites, the Terminal Segment users and the Control Segment...	Communication Communications satellite A communications satellite is an artificial satellite stationed in space for the purpose of telecommunications...	Active
USA-205	2009-05-05	Delta II Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...  7920-10C	STSS-ATRR	Technology	Active
USA-206 USA-206 USA-206, also GPS SVN-50 and PRN-05, and known before launch as GPS IIR-21, GPS IIRM-8 or GPS IIR-21, is an American navigation satellite which forms part of the Navstar Global Positioning System...	2009-08-17	Delta II Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...  7925-9.5	GPS IIR-21 GPS satellite A GPS satellite is a satellite used by the NAVSTAR Global Positioning System . The first satellite in the system, Navstar 1, was launched February 22, 1978. The GPS satellite constellation is operated by the 50th Space Wing of the United States Air Force....  (IIRM-8)	Navigation	Active	Final GPS IIR satellite
USA-207 USA-207 USA-207,, international COSPAR code 2009-047A, also known as PAN, officially meaning Palladium At Night, or P360 is a classified American communications satellite, which was launched in September 2009. The US government has not confirmed which of its intelligence agencies will operate the satellite...	2009-09-08	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  401	Palladium At Night (PAN)	Communications	Active
USA-208	2009-09-25	Delta II Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...  7920-10C	STSS-Demo	Technology	Active	Launched with USA-209
USA-209	2009-09-25	Delta II Delta II Delta II was an American space launch system, originally designed and built by McDonnell Douglas. Delta II is part of the Delta rocket family and was in service from 1989 until November 1, 2011...  7920-10C	STSS-Demo	Technology	Active	Launched with USA-208
USA-210	2009-10-18	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  401	DMSP-5D-3 F18 Defense Meteorological Satellite Program The Defense Meteorological Satellite Program monitors meteorological, oceanographic, and solar-terrestrial physics for the United States Department of Defense. The program is now run by the National Oceanic and Atmospheric Administration. The mission of the satellites was revealed in March 1973...	Weather	Active
USA-211	2009-12-06	Delta IV-M+(5,4)	WGS-3 Wideband Global SATCOM system The Wideband Global SATCOM system is a satellite communications system planned for use in partnership by the United States Department of Defense and the Australian Department of Defence. The system is composed of the Space Segment satellites, the Terminal Segment users and the Control Segment...	Communications	Active	Last Block I WGS satellite
USA-212	2010-04-22	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  501	Boeing X-37B OTV-1 Boeing X-37 The Boeing X-37 is an American unmanned vertical-takeoff, horizontal-landing spaceplane. The X-37 is operated by the United States Air Force for orbital spaceflight missions intended to demonstrate reusable space technologies...	Technology	Landed: 2010-12-03	Experimental spaceplane Spaceplane A spaceplane is a vehicle that operates as an aircraft in Earth's atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft, which can be thought of as an aircraft that can endure and maneuver in the vacuum of space or likewise a spacecraft that... , maiden flight of first X-37B
USA-213 USA-213 USA-213, also known as GPS SVN-62 and GPS IIF SV-1 is the first satellite in the Block IIF series of Global Positioning System navigation satellites. It will be used to relay signals for the United States Air Force Navstar Global Positioning System . The satellite was launched at 03:00 GMT on 28...	2010-05-28	Delta IV-M+(4,2)	GPS IIF SV-1	Navigation	Active
USA-214 USA-214 USA-214, known before launch as Advanced Extremely High Frequency 1 or AEHF SV-1, is a military communications satellite operated by the United States Air Force...	2010-08-14	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  531	AEHF-1 Advanced Extremely High Frequency Advanced Extremely High Frequency is a series of communications satellites operated by the United States Air Force Air Force Space Command. The spacecraft will be used to relay secure communications for the Armed Forces of the United States, the British Armed Forces, the Canadian Forces and the...	Communications	Active
USA-215	2010-09-21	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  531	NROL-41 (FIA-R Future Imagery Architecture Future Imagery Architecture was a program to design a new generation of optical and radar imaging US reconnaissance satellites for the National Reconnaissance Office . In 2005 NRO director Donald Kerr recommended the project's termination, and the optical component of the program was finally... )	Radar imaging	Active
USA-216	2010-09-26	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle...	SBSS-1 Space Based Space Surveillance The Space Based Space Surveillance system is a planned constellation of satellites and supporting ground infrastructure that will improve the ability of the United States Department of Defense to detect and track space objects in orbit around the Earth...	Satellite tracking	Active
USA-217	2010-11-20	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle... /HAPS Haps Haps is a village in the Dutch province of North Brabant. It is located in the municipality of Cuijk, about 5 km south of the town of Cuijk.Haps was a separate municipality until 1994, when it became a part of Cuijk....	STPSat-1	Technology	Active	Launched with USA-218, 219, 220, 221, 222 and NanoSail-D2 NanoSail-D2 NanoSail-D2 is a small satellite built by NASA's Marshall Space Flight Center and Ames Research Center to study the deployment of a solar sail in space. It is a three-unit CubeSat measuring 30 by 10 by 10 centimeters , with a mass of...
USA-218	2010-11-20	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle... /HAPS Haps Haps is a village in the Dutch province of North Brabant. It is located in the municipality of Cuijk, about 5 km south of the town of Cuijk.Haps was a separate municipality until 1994, when it became a part of Cuijk....	RAX	Science	Active	Launched with USA-217, 219, 220, 221, 222 and NanoSail-D2 NanoSail-D2 NanoSail-D2 is a small satellite built by NASA's Marshall Space Flight Center and Ames Research Center to study the deployment of a solar sail in space. It is a three-unit CubeSat measuring 30 by 10 by 10 centimeters , with a mass of... . Civilian satellite, unclear why USA designation was assigned
USA-219	2010-11-20	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle... /HAPS Haps Haps is a village in the Dutch province of North Brabant. It is located in the municipality of Cuijk, about 5 km south of the town of Cuijk.Haps was a separate municipality until 1994, when it became a part of Cuijk....	O/OREOS	Technology	Active	Launched with USA-217, 218, 220, 221, 222 and NanoSail-D2 NanoSail-D2 NanoSail-D2 is a small satellite built by NASA's Marshall Space Flight Center and Ames Research Center to study the deployment of a solar sail in space. It is a three-unit CubeSat measuring 30 by 10 by 10 centimeters , with a mass of... . Civilian satellite, unclear why USA designation was assigned
USA-220	2010-11-20	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle... /HAPS Haps Haps is a village in the Dutch province of North Brabant. It is located in the municipality of Cuijk, about 5 km south of the town of Cuijk.Haps was a separate municipality until 1994, when it became a part of Cuijk....	FASTSAT	Technology	Active	Launched with USA-217, 218, 219, 221, 222 and NanoSail-D2 NanoSail-D2 NanoSail-D2 is a small satellite built by NASA's Marshall Space Flight Center and Ames Research Center to study the deployment of a solar sail in space. It is a three-unit CubeSat measuring 30 by 10 by 10 centimeters , with a mass of... . Civilian satellite, unclear why USA designation was assigned
USA-221 USA-221 USA-221, also known as FalconSat-5, is an American military minisatellite, which was launched in 2010. The fifth FalconSat spacecraft to be launched, it carries four technology development and ionospheric research experiments. The satellite was constructed and is operated by the United States Air...	2010-11-20	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle... /HAPS Haps Haps is a village in the Dutch province of North Brabant. It is located in the municipality of Cuijk, about 5 km south of the town of Cuijk.Haps was a separate municipality until 1994, when it became a part of Cuijk....	FalconSAT-5 FalconSAT FalconSAT is the name of the United States Air Force Academy's small satellite engineering program. Satellites are designed, built, tested, and operated by Academy cadets. The project is administered by the USAFA Space Systems Research Center under the direction of the Department of Astronautics...	Technology	Active	Launched with USA-217, 218, 219, 220, 222 and NanoSail-D2 NanoSail-D2 NanoSail-D2 is a small satellite built by NASA's Marshall Space Flight Center and Ames Research Center to study the deployment of a solar sail in space. It is a three-unit CubeSat measuring 30 by 10 by 10 centimeters , with a mass of...
USA-222	2010-11-20	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle... /HAPS Haps Haps is a village in the Dutch province of North Brabant. It is located in the municipality of Cuijk, about 5 km south of the town of Cuijk.Haps was a separate municipality until 1994, when it became a part of Cuijk....	FASTRAC Fastrac Fastrac may refer to* JCB Fastrac, tractor by J. C. Bamford* Fastrac rocket engine, NASA's project* Fastrac, VTLS software* Formation Autonomy Spacecraft with Thrust, Relnav, Attitude, and Crosslink, A University of Texas satellite...	Technology	Active	Launched with USA-217, 218, 219, 220, 221 and NanoSail-D2 NanoSail-D2 NanoSail-D2 is a small satellite built by NASA's Marshall Space Flight Center and Ames Research Center to study the deployment of a solar sail in space. It is a three-unit CubeSat measuring 30 by 10 by 10 centimeters , with a mass of... . Two civilian satellites, unclear why USA designation was assigned
USA-223 USA-223 USA-223, known before launch as NRO Launch 32 , is an American reconnaissance satellite which was launched in 2010. It is operated by the United States National Reconnaissance Office....	2010-11-21	Delta IV-H	NROL-32 (Mentor Mentor (satellite) MENTOR, sometimes called Advanced Orion by observers, is reportedly a code-name for a class of United States spy satellites that collect signals intelligence from space... )	ELINT	Active
USA-224 USA-224 USA-224, also known as NRO Launch 49 , is an American reconnaissance satellite which was launched in 2011. It is a KH-11 optical imaging satellite, the fifteenth such spacecraft to be launched, and intended as a replacement of the USA-161 satellite launched in 2001.After the failure of the Boeing...	2011-01-20	Delta IV-H	NROL-49 (KH-11 KH-11 Kennan The KH-11 KENNAN, renamed CRYSTAL in 1982 and also referenced by the codenames 1010, and "Key Hole", is a type of reconnaissance satellite launched by the American National Reconnaissance Office since December 1976... )	Optical imaging	Active
USA-225 USA-225 USA-225, also known as the Rapid Pathfinder Prototype and NRO Launch 66 , is an American satellite which was launched in 2011. The satellite is being used to perform technology demonstration and development experiments, including advanced dosimeters to characterize the space environment from a...	2011-02-06	Minotaur I Minotaur I The Minotaur I, or just Minotaur is an American expendable launch system derived from the Minuteman II missile. It is used to launch small satellites for the US Government, and is a member of the Minotaur family of rockets produced by Orbital Sciences Corporation.Minotaur I rockets consist of the...	NROL-66 (RPP)	Technology	Active
	2011-03-05	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  501	Boeing X-37B OTV-2 Boeing X-37 The Boeing X-37 is an American unmanned vertical-takeoff, horizontal-landing spaceplane. The X-37 is operated by the United States Air Force for orbital spaceflight missions intended to demonstrate reusable space technologies...	Technology	Active	Spaceplane Spaceplane A spaceplane is a vehicle that operates as an aircraft in Earth's atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft, which can be thought of as an aircraft that can endure and maneuver in the vacuum of space or likewise a spacecraft that... , maiden flight of second X-37B
USA-227 USA-227 USA-227, known before launch as NRO Launch 27 , is an American communications satellite which was launched in 2011. It is operated by the United States National Reconnaissance Office....	2011-03-11	Delta IV-M+(4,2)	NROL-27	Communications	Active
USA-228	2010-11-20	Minotaur IV Minotaur IV Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the Peacekeeper missile. It is operated by Orbital Sciences Corporation, and made its maiden flight on 22 April 2010, carrying the HTV-2a Hypersonic Test Vehicle... /HAPS Haps Haps is a village in the Dutch province of North Brabant. It is located in the municipality of Cuijk, about 5 km south of the town of Cuijk.Haps was a separate municipality until 1994, when it became a part of Cuijk....	FASTRAC Fastrac Fastrac may refer to* JCB Fastrac, tractor by J. C. Bamford* Fastrac rocket engine, NASA's project* Fastrac, VTLS software* Formation Autonomy Spacecraft with Thrust, Relnav, Attitude, and Crosslink, A University of Texas satellite...	Technology	Active	This is the second of the pair of FASTRAC satellites, the first one being USA-222
USA-229 USA-229 USA-229, known before launch as NRO Launch 34 , is a pair of American signals intelligence satellites which were launched in 2011. They are operated by the United States National Reconnaissance Office....	2011-04-15	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  411	NROL-34	SIGINT	Active
USA-230	2011-05-07	Atlas V Atlas V Atlas V is an active expendable launch system in the Atlas rocket family. Atlas V was formerly operated by Lockheed Martin, and is now operated by the Lockheed Martin-Boeing joint venture United Launch Alliance...  401	SBIRS-GEO-1	Missile warning	Active
USA-231 USA-231 USA-231, formerly ORS-1 is an American reconnaissance satellite which was launched in 2011 from NASA’s Wallops Flight Facility, Virginia by a Minotaur I launch vehicle. It is the first operational satellite of the Operationally Responsive Space Office...	2011-06-30	Minotaur I Minotaur I The Minotaur I, or just Minotaur is an American expendable launch system derived from the Minuteman II missile. It is used to launch small satellites for the US Government, and is a member of the Minotaur family of rockets produced by Orbital Sciences Corporation.Minotaur I rockets consist of the...	ORS-1	Optical imaging	Active
USA-232	2011-07-16	Delta IV	Navstar 66	Navigation	Active