This is a list of space shuttle

Space Shuttle

The Space Shuttle was a manned orbital rocket and spacecraft system operated by NASA on 135 missions from 1981 to 2011. The system combined rocket launch, orbital spacecraft, and re-entry spaceplane with modular add-ons...

 rollbacks. "Rollback" is the term NASA uses when the space shuttle is rolled back from the launch pad

Kennedy Space Center Launch Complex 39

Launch Complex 39 is a rocket launch site at the John F. Kennedy Space Center on Merritt Island in Florida, USA. The site and its collection of facilities were originally built for the Apollo program, and later modified to support Space Shuttle operations. NASA began modifying LC-39 in 2007 to...

 atop the Mobile Launcher Platform

Mobile Launcher Platform

The Mobile Launcher Platform or MLP is one of three two-story structures used by NASA to support the Space Shuttle stack during its transportation from the Vehicle Assembly Building to Launch Pad 39-A at the Kennedy Space Center as well as serve as the vehicle's launch platform...

 and Crawler-transporter

Crawler-Transporter

The crawler-transporters are a pair of tracked vehicles used to transport spacecraft from NASA's Vehicle Assembly Building along the Crawlerway to Launch Complex 39. They were originally used to transport the Saturn IB and Saturn V rockets during the Apollo, Skylab and Apollo–Soyuz programs....

 to the Vehicle Assembly Building

Vehicle Assembly Building

The Vehicle Assembly Building, or VAB, at NASA's Kennedy Space Center was used to assemble and house American manned launch vehicles from 1968-2011. It is the fourth largest building in the world by volume...

 (VAB). A variety of factors can require a rollback, from severe weather to the need for repairs that cannot be performed at the launch pad. Shuttle rollbacks to date are listed in chronological order:

No.	Date	Orbiter	Mission	Reason	Description
1	1983-10-19	Columbia Space Shuttle Columbia Space Shuttle Columbia was the first spaceworthy Space Shuttle in NASA's orbital fleet. First launched on the STS-1 mission, the first of the Space Shuttle program, it completed 27 missions before being destroyed during re-entry on February 1, 2003 near the end of its 28th, STS-107. All seven crew...	STS-9 STS-9 STS-9 was a NASA Space Shuttle mission which carried the first Spacelab module into orbit to conduct space-based scientific experiments. It was the sixth mission of the Space Shuttle Columbia, and was Columbia's last flight until STS-61-C in January 1986...	Inspection failure	Suspect exhaust nozzle on right solid rocket booster Solid rocket booster Solid rocket boosters or Solid Rocket Motors, SRM, are used to provide thrust in spacecraft launches from the launchpad up to burnout of the SRBs. Many launch vehicles include SRBs, including the Ariane 5, Atlas V , and the NASA Space Shuttle... . Columbia was de-stacked and moved back to the Orbiter Processing Facility Orbiter Processing Facility An Orbiter Processing Facility was one of three hangars where U.S. space shuttle orbiters underwent maintenance between flights. All three such facilities, OPF-1, OPF-2 and OPF-3, were located at NASA's Kennedy Space Center in Florida at Launch Complex 39.They were located west of the Vehicle...  (OPF).
2	1984-07-11	Discovery Space Shuttle Discovery Space Shuttle Discovery is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States, and was operational from its maiden flight, STS-41-D on August 30, 1984, until its final landing during STS-133 on March 9, 2011...	STS-41-D STS-41-D STS-41-D was the first flight of NASA's Space Shuttle orbiter Discovery. It was the 12th mission of the Space Shuttle program, and was launched from Kennedy Space Center, Florida, on 30 August 1984...	Abort	Space shuttle main engine (SSME) #3 replaced after a launch abort.
3	1985-03-05	Challenger Space Shuttle Challenger Space Shuttle Challenger was NASA's second Space Shuttle orbiter to be put into service, Columbia having been the first. The shuttle was built by Rockwell International's Space Transportation Systems Division in Downey, California...	STS-51-E STS-51-B STS-51-B STS 51-B was the seventeenth flight of NASA's Space Shuttle program, and the seventh flight of Space Shuttle Challenger. The launch of Challenger on 29 April 1985 was delayed by 2 minutes and 18 seconds, due to a launch processing failure. Challenger was initially rolled out to the pad to launch on...	Payload	Challenger was rolled back from Pad 39A due to a timing problem with the primary payload, the Tracking and Data Relay Satellite-B (TDRS-B). The vehicle was de-stacked in the VAB and the orbiter returned to Orbiter Processing Facility. The mission, STS-51E, was canceled and the orbiter was re-manifested with 51-B payloads.
4	1990-06-12	Columbia Space Shuttle Columbia Space Shuttle Columbia was the first spaceworthy Space Shuttle in NASA's orbital fleet. First launched on the STS-1 mission, the first of the Space Shuttle program, it completed 27 missions before being destroyed during re-entry on February 1, 2003 near the end of its 28th, STS-107. All seven crew...	STS-35 STS-35 -Crew notes:Prior to the Challenger disaster, this mission was slated to launch in March 1986 as STS-61-E. Jon McBride was originally assigned to command this mission, which would have been his second spaceflight. He chose to retire from NASA in May 1989 and was replaced as mission commander by...	Inspection failure	A hydrogen Hydrogen Hydrogen is the chemical element with atomic number 1. It is represented by the symbol H. With an average atomic weight of , hydrogen is the lightest and most abundant chemical element, constituting roughly 75% of the Universe's chemical elemental mass. Stars in the main sequence are mainly...  leak was detected in External tank Space Shuttle external tank A Space Shuttle External Tank is the component of the Space Shuttle launch vehicle that contains the liquid hydrogen fuel and liquid oxygen oxidizer. During lift-off and ascent it supplies the fuel and oxidizer under pressure to the three Space Shuttle Main Engines in the orbiter...  (ET) umbilical.
5	1990-08-09	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-38 STS-38 -Mission parameters:*Mass:**Payload: Magnum ELINT satellite ~ **Booster: IUS upper stage ~ **Total: ~ *Perigee: *Apogee: *Inclination: 28.5°*Period: 87.5 min-Preparations and Launch:...	Fuel leak	Atlantis was rolled back after tests confirmed a hydrogen fuel leak on the external tank side of the external tank/orbiter quick-disconnect umbilical.
6	1990-10-09	Columbia Space Shuttle Columbia Space Shuttle Columbia was the first spaceworthy Space Shuttle in NASA's orbital fleet. First launched on the STS-1 mission, the first of the Space Shuttle program, it completed 27 missions before being destroyed during re-entry on February 1, 2003 near the end of its 28th, STS-107. All seven crew...	STS-35 STS-35 -Crew notes:Prior to the Challenger disaster, this mission was slated to launch in March 1986 as STS-61-E. Jon McBride was originally assigned to command this mission, which would have been his second spaceflight. He chose to retire from NASA in May 1989 and was replaced as mission commander by...	Weather	Weather threat from Tropical Storm Klaus.
7	1991-03-07	Discovery Space Shuttle Discovery Space Shuttle Discovery is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States, and was operational from its maiden flight, STS-41-D on August 30, 1984, until its final landing during STS-133 on March 9, 2011...	STS-39 STS-39 -Mission parameters:*Mass:**Orbiter landing with payload: **Payload: *Perigee: *Apogee: *Inclination: 57.0°*Period: 89.6 min-Mission highlights:...	Inspection failure	Discovery was rolled back to the VAB after significant cracks were found on all four lug hinges on the two external tank umbilical door drive mechanisms.
8	1994-08-24	Endeavour Space Shuttle Endeavour Space Shuttle Endeavour is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States. Endeavour was the fifth and final spaceworthy NASA space shuttle to be built, constructed as a replacement for Challenger...	STS-68 STS-68 STS-68 was a human spaceflight mission using that launched from Kennedy Space Center, Florida on 1994-09-30.-Crew:-Launch:Launch 30 September 1994 at 7:16:00.068 am EDT from Kennedy Space Center Launch Pad 39-A. The Launch window opened at 7:16 am EDT with a 2 hour 30 minute window. Orbiter...	Abort	Pad abort due to a high discharge temperature in a pump on main engine number three. All three engines were replaced in the VAB.
9	1995-06-08	Discovery Space Shuttle Discovery Space Shuttle Discovery is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States, and was operational from its maiden flight, STS-41-D on August 30, 1984, until its final landing during STS-133 on March 9, 2011...	STS-70 STS-70 STS-70 was the 21st flight of the Space Shuttle Discovery, and the last of 7 shuttle missions to carry a Tracking and Data Relay Satellite . This was the first shuttle mission controlled from the new Mission Control Center room at the Johnson Space Center in Houston...	Inspection failure	Yellow Flicker woodpeckers drilled approximately 195 holes on the external tank foam insulation, many of which were too high up on the tank to be accessed at the pad for repairs.
10	1995-08-01	Endeavour Space Shuttle Endeavour Space Shuttle Endeavour is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States. Endeavour was the fifth and final spaceworthy NASA space shuttle to be built, constructed as a replacement for Challenger...	STS-69 STS-69 STS-69 was a Space Shuttle Endeavour mission, and the second flight of the Wake Shield Facility . The mission launched from Kennedy Space Center, Florida on 7 September 1995.-Crew:-Mission parameters:*Mass: payload*Perigee:...	Weather	Endeavour was moved back to the VAB due to threat of severe weather from Hurricane Erin Hurricane Erin (1995) Hurricane Erin was the fifth named tropical cyclone and the second hurricane of the unusually active 1995 Atlantic hurricane season. Erin began as a tropical wave off the west coast of Africa on July 22, and crossed the Atlantic ocean without ever developing. On July 31, the last day of the month,... .
11	1996-07-10	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-79 STS-79 STS-79 was a Space Shuttle Atlantis mission to the Mir space station. It was the first shuttle mission to dock with Mir once it was fully assembled.-Crew:-Mission parameters:*Mass:**Spacehab-Double Module **Orbiter Docking System...	Weather	Atlantis was moved back to the VAB due to threat of severe weather from Hurricane Bertha Hurricane Bertha (1996) Hurricane Bertha was a strong, early season major hurricane which impacted areas from the Leeward Islands to Atlantic Canada. Bertha originated from a tropical wave which moved off the eastern coast of Africa in early July. By July 3, an area of low pressure developed along the wave... .
12	1996-09-04	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-79 STS-79 STS-79 was a Space Shuttle Atlantis mission to the Mir space station. It was the first shuttle mission to dock with Mir once it was fully assembled.-Crew:-Mission parameters:*Mass:**Spacehab-Double Module **Orbiter Docking System...	Weather	Atlantis was moved back to the VAB due to threat of severe weather from Hurricane Fran Hurricane Fran Hurricane Fran was a powerful Cape Verde-type hurricane of the 1996 Atlantic hurricane season that made landfall near Cape Fear in North Carolina at Category 3 strength. Throughout the eastern United States, early statistics on Fran reported 27 deaths and $3.2 billion in damage... .
13	1999-05-16	Discovery Space Shuttle Discovery Space Shuttle Discovery is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States, and was operational from its maiden flight, STS-41-D on August 30, 1984, until its final landing during STS-133 on March 9, 2011...	STS-96 STS-96 STS-96 was a Space Shuttle mission to the International Space Station flown by Space Shuttle Discovery, and the first shuttle flight to dock with the International Space Station. The shuttle carried the Spacehab module in the payload, filled with cargo for station outfitting...	Inspection failure	Discovery was moved back to the VAB to repair hail damage to the external tank foam insulation.
14	2001-01-02	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-98 STS-98 STS-98 was a 2001 Space Shuttle mission to the International Space Station flown by Space Shuttle Atlantis. STS-98 delivered to the station the Destiny Laboratory Module...	Crawler failure	Atlantis began rollout to Launch Pad 39A, but an hour later stopped on the crawler path so engineers could troubleshoot a failed computer processor on the crawler transporter. Troubleshooting efforts were unsuccessful, the shuttle was returned to the VAB using a secondary computer processor.
15	2001-01-19	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-98 STS-98 STS-98 was a 2001 Space Shuttle mission to the International Space Station flown by Space Shuttle Atlantis. STS-98 delivered to the station the Destiny Laboratory Module...	Inspection failure	Atlantis was returned to the VAB due to uncertainty involving the integrity of the SRB cables.
16	2005-05-26	Discovery Space Shuttle Discovery Space Shuttle Discovery is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States, and was operational from its maiden flight, STS-41-D on August 30, 1984, until its final landing during STS-133 on March 9, 2011...	STS-114 STS-114 -Original crew:This mission was to carry the Expedition 7 crew to the ISS and bring home the Expedition 6 crew. The original crew was to be:-Mission highlights:...	Component upgrade	Discovery was returned to the VAB in order to get a new, modified external fuel tank in preparation for the first Return to Flight STS-114 -Original crew:This mission was to carry the Expedition 7 crew to the ISS and bring home the Expedition 6 crew. The original crew was to be:-Mission highlights:...  mission following the Columbia accident Space Shuttle Columbia disaster The Space Shuttle Columbia disaster occurred on February 1, 2003, when shortly before it was scheduled to conclude its 28th mission, STS-107, the Space Shuttle Columbia disintegrated over Texas and Louisiana during re-entry into the Earth's atmosphere, resulting in the death of all seven crew members... .
17	2006-08-29	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-115 STS-115 Note:The P3/P4 Truss segment and batteries were so heavy that the crew count was reduced from seven to six.-Crew notes:...	Weather	Atlantis was moved back towards the VAB due to threat of severe weather from Tropical Storm Ernesto 2006 Atlantic hurricane season The 2006 Atlantic hurricane season was significantly less active than the record previous season. It marked the first since 2001 in which no hurricanes made landfall in the United States, and was the first since 1994 that no tropical cyclones formed during October. Following the intense activity of... . However halfway through rollback, they elected to return Atlantis to the Pad due to immprovement in the weather forecast.
18	2007-03-04	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-117 STS-117 - Crew Notes :The initial crew manifest before the Columbia accident was:Astronaut Mark Polansky was originally slated to pilot this mission, but was moved to STS-116, which he commanded...	Payload	Atlantis was moved back to the VAB after a hail storm damaged the foam insulation on the orbiter's external tank, necessitating repairs. Atlantis was then successfully launched on June 8th 2007.
19	2008-10-20	Atlantis Space Shuttle Atlantis The Space Shuttle Atlantis is a retired Space Shuttle orbiter in the Space Shuttle fleet belonging to the National Aeronautics and Space Administration , the spaceflight and space exploration agency of the United States...	STS-125 STS-125 STS-125, or HST-SM4 , was the fifth and final space shuttle servicing mission to the Hubble Space Telescope .Launch occurred on 11 May 2009 at 2:01 pm EDT...	Payload	Atlantis was moved back to the VAB to allow time to troubleshoot a problem with the Hubble Space Telescope on orbit. Hardware to correct the problem was added to the STS-125 STS-125 STS-125, or HST-SM4 , was the fifth and final space shuttle servicing mission to the Hubble Space Telescope .Launch occurred on 11 May 2009 at 2:01 pm EDT...  mission payload. Atlantis was then successfully launched on May 11th 2009.
20	2010-12-17	Discovery Space Shuttle Discovery Space Shuttle Discovery is one of the retired orbiters of the Space Shuttle program of NASA, the space agency of the United States, and was operational from its maiden flight, STS-41-D on August 30, 1984, until its final landing during STS-133 on March 9, 2011...	STS-133 STS-133 STS-133 was the 133rd mission in NASA's Space Shuttle program; during the mission, Space Shuttle Discovery docked with the International Space Station. It was Discoverys 39th and final mission. The mission launched on 24 February 2011, and landed on 9 March 2011...	External tank repairs	"Discovery" rolled off the launch pad after insulating foam and two structural stringers on the external tank cracked during a launch attempt on November 5, 2010. The repair effort lasted two months as engineers beefed up the structural integrity of the structural members in question and replaced the foam that was removed to facilitate those repairs. The mission lifted off on February 24, 2011. The external tank performed flawlessly during fueling and launch.

External links

• NASA Shuttle page