Excelsior class starship (Star Trek)
Encyclopedia
The Excelsior class is a fictional class of starship
Starship
A starship or interstellar spacecraft is a theoretical spacecraft designed for traveling between the stars, as opposed to a vehicle designed for orbital spaceflight or interplanetary travel....

 in the science fiction
Science fiction
Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 franchise Star Trek
Star Trek
Star Trek is an American science fiction entertainment franchise created by Gene Roddenberry. The core of Star Trek is its six television series: The Original Series, The Animated Series, The Next Generation, Deep Space Nine, Voyager, and Enterprise...

. The USS
Excelsior
USS Excelsior (Star Trek)
The USS Excelsior is a starship in the Star Trek universe. The Excelsior was first seen in the 1984 film, Star Trek III: The Search for Spock. It later appeared in the 1986 film, Star Trek IV: The Voyage Home...

 was designed by Industrial Light and Magic
Industrial Light and Magic
Industrial Light & Magic is an Academy Award-winning motion picture visual effects company that was founded in May 1975 by George Lucas and is owned by Lucasfilm. Lucas created the company when he discovered that the special effects department at 20th Century Fox was shut down after he was given...

's Bill George for
Star Trek III: The Search for Spock
Star Trek III: The Search for Spock
Star Trek III: The Search for Spock is a 1984 motion picture released by Paramount Pictures. The film is the third feature based on the Star Trek science fiction franchise and is the center of a three-film story arc that begins with Star Trek II: The Wrath of Khan and concludes with Star Trek IV:...

. It appears in subsequent films, and the model was re-used for other ships in episodes of Star Trek: The Next Generation
Star Trek: The Next Generation
Star Trek: The Next Generation is an American science fiction television series created by Gene Roddenberry as part of the Star Trek franchise. Roddenberry, Rick Berman, and Michael Piller served as executive producers at different times throughout the production...

and Star Trek: Deep Space Nine
Star Trek: Deep Space Nine
Star Trek: Deep Space Nine is a science fiction television series set in the Star Trek universe...

, as well as the finale of Star Trek: Voyager
Star Trek: Voyager
Star Trek: Voyager is a science fiction television series set in the Star Trek universe. Set in the 24th century from the year 2371 through 2378, the series follows the adventures of the Starfleet vessel USS Voyager, which becomes stranded in the Delta Quadrant 70,000 light-years from Earth while...

. The film Star Trek Generations also uses the same model, with various additions designed by John Eaves
John Eaves
John Eaves is a designer and illustrator best known for his work on the Star Trek franchise. He served as a production artist on Star Trek: Deep Space Nine and Star Trek: Enterprise and was involved in all four Next Generation movies, specifically being responsible for the design of the...

, for the USS
Enterprise-B
USS Enterprise (NCC-1701-B)
The USS Enterprise is a fictional starship in the Star Trek science fiction franchise. It is an Excelsior-class upgrade Starfleet vessel that appears under the command of Captain John Harriman in the film Star Trek Generations...

.

Design

The basic
Excelsior-class design includes a circular primary hull with a bridge at the center of the dorsal side, a sensor
Sensor
A sensor is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument. For example, a mercury-in-glass thermometer converts the measured temperature into expansion and contraction of a liquid which can be read on a calibrated...

 dome at the bottom of the ventral, and impulse engines at the aft end. The saucer is attached to a backward-angled neck extending downward from the aft of the ventral side to the secondary hull, which is roughly tubular with a flat platform on the dorsal side; the hull has a navigational deflector at the bow and a shuttlebay aft. Two warp
Warp drive (Star Trek)
Warp drive is a faster-than-light propulsion system in the setting of many science fiction works, most notably Star Trek. A spacecraft equipped with a warp drive may travel at velocities greater than that of light by many orders of magnitude, while circumventing the relativistic problem of time...

 nacelle
Nacelle
The nacelle is a cover housing that holds engines, fuel, or equipment on an aircraft. In some cases—for instance in the typical "Farman" type "pusher" aircraft, or the World War II-era P-38 Lightning—an aircraft's cockpit may also be housed in a nacelle, which essentially fills the...

s are above the secondary hull, slightly above the primary hull, supported by pylons that attach to a bulge on the top of the secondary hull, run to the sides, and go upward from an angle (slightly more than 90°) to the nacelles. A semi-circular cargo bay lies at the bottom of the secondary hull.

The model was altered for use as the Enterprise-B in Generations; this variant includes two additional impulse engines running aft from the saucer on both sides of the original impulse system, different warp nacelles, and an enlarged engineering hull along both sides of the deflector dish (to allow special effects artists to show damage to that part of the ship without permanently altering the original). The USS Lakota in Deep Space Nine's "Paradise Lost" is the same model.

The pathfinder USS
Excelsior
USS Excelsior (Star Trek)
The USS Excelsior is a starship in the Star Trek universe. The Excelsior was first seen in the 1984 film, Star Trek III: The Search for Spock. It later appeared in the 1986 film, Star Trek IV: The Voyage Home...

 is also a testbed for transwarp drive
Warp drive (Star Trek)
Warp drive is a faster-than-light propulsion system in the setting of many science fiction works, most notably Star Trek. A spacecraft equipped with a warp drive may travel at velocities greater than that of light by many orders of magnitude, while circumventing the relativistic problem of time...

.

Known Excelsior-class vessels

USS Al-Batani (NCC-42995)
Although it never appeared on screen, the Al-Batani was mentioned in dialogue throughout Star Trek: Voyager as the first ship aboard which Kathryn Janeway
Kathryn Janeway
Kathryn Janeway, played by Kate Mulgrew, is a fictional character in the Star Trek franchise. As the captain of the Starfleet starship USS Voyager, she was the lead character on the television series Star Trek: Voyager, and later, a Starfleet admiral, as seen in the 2002 feature film Star Trek...

 served, as science officer under Tom Paris' father Captain Owen Paris. The
Al-Batani was once trapped by gravimetric forces inside a proto-nebula for three days before escaping. Never defined on screen, the class and registry number come from the Star Trek Encyclopedia.


USS
Berlin (NCC-14232)
The starship Berlin is stationed near the Romulan
Romulan
The Romulans are a fictional alien race in the Star Trek universe. First appearing in the original Star Trek series in the 1966 episode "Balance of Terror", they have since made appearances in all the main later Star Trek series: The Animated Series, The Next Generation, Deep Space Nine, Voyager...

 Neutral Zone in 2364 (
TNG
Star Trek: The Next Generation
Star Trek: The Next Generation is an American science fiction television series created by Gene Roddenberry as part of the Star Trek franchise. Roddenberry, Rick Berman, and Michael Piller served as executive producers at different times throughout the production...

: "Angel One
Angel One (TNG episode)
"Angel One" is the 14th episode of the television series Star Trek: The Next Generation.-Overview:The Enterprise visits a world dominated by women to flesh out diplomatic ties and search for survivors of a downed freighter.-Plot:...

") and in 2368 (
TNG: "Brothers
Brothers (TNG episode)
"Brothers" is an episode from the fourth season of Star Trek: The Next Generation.-Plot:A misguided prank between two young brothers exposes one of them to a toxic parasite that cannot be treated on the USS Enterprise, but Dr. Crusher is able to stabilize his condition in a controlled environment...

"). The
Berlin is assigned to a task force
Task force
A task force is a unit or formation established to work on a single defined task or activity. Originally introduced by the United States Navy, the term has now caught on for general usage and is a standard part of NATO terminology...

 with the starships
Sutherland and Aries to defend against a Cardassian
Cardassian
The Cardassians are an extraterrestrial species in the Star Trek science fiction franchise. First introduced in the 1991 Star Trek: The Next Generation episode "The Wounded", the species originating on the fictional Alpha Quadrant planet Cardassia Prime...

 attack on the Minos Korva system in Federation
United Federation of Planets
The United Federation of Planets, also known as "The Federation" is a fictional interplanetary federal republic depicted in the Star Trek television series and motion pictures...

 space (
TNG: "Chain of Command
Chain of Command (TNG episode)
"Chain of Command" is an episode of the television series Star Trek: The Next Generation that aired in two parts.-Overview:Captain Picard is taken from command of the Enterprise for a covert mission, and his replacement is assigned to deal with the Cardassians openly.-Part I:Captain Picard, Lt....

").


USS
Cairo (NCC-42136)
The starship Cairo is commanded by Captain Edward Jellico in 2367 and meets with the Enterprise-D
USS Enterprise (NCC-1701-D)
The USS Enterprise is a 24th century starship in the Star Trek fictional universe and the principal setting of the Star Trek: The Next Generation television series...

 carrying Vice Admiral Alynna Nechayev. Shortly afterward, Jellico transfers to and commands the
Enterprise in Captain Jean-Luc Picard
Jean-Luc Picard
Captain Jean-Luc Picard is a Star Trek character portrayed by Patrick Stewart. He appears in the television series Star Trek: The Next Generation and the feature films Star Trek Generations, Star Trek: First Contact, Star Trek: Insurrection, and Star Trek Nemesis...

's absence (
TNG: "Chain of Command
Chain of Command (TNG episode)
"Chain of Command" is an episode of the television series Star Trek: The Next Generation that aired in two parts.-Overview:Captain Picard is taken from command of the Enterprise for a covert mission, and his replacement is assigned to deal with the Cardassians openly.-Part I:Captain Picard, Lt....

"). Later commanded by Captain Leslie Wong, the
Cairo disappeared on patrol near the Romulan Neutral Zone, presumably destroyed by the Jem'Hadar
Jem'Hadar
In the fictional Star Trek universe, the Jem'Hadar are the shock troops of the powerful Dominion located in the Gamma Quadrant. Genetically engineered for strength and resolve, they are also short-lived and believe that "victory is life." They are bred to perceive the Founders, enigmatic...

 (
DS9
Star Trek: Deep Space Nine
Star Trek: Deep Space Nine is a science fiction television series set in the Star Trek universe...

: "In the Pale Moonlight").


USS
Charleston (NCC-42285)
The starship Charleston transports three cryogenically frozen 20th century people to Earth while heading to Arloff IX in 2364 (TNG: "The Neutral Zone
The Neutral Zone (TNG episode)
"The Neutral Zone" is the 26th episode of the television series Star Trek: The Next Generation.-Overview:A derelict ancient Earth satellite is found with cryonically frozen humans aboard as the USS Enterprise is sent to investigate the destruction of outposts near Romulan space.-Plot:While Captain...

"). The
Charleston is later involved in the Romulan tachyon
Tachyon
A tachyon is a hypothetical subatomic particle that always moves faster than light. In the language of special relativity, a tachyon would be a particle with space-like four-momentum and imaginary proper time. A tachyon would be constrained to the space-like portion of the energy-momentum graph...

 blockade at the outbreak of the Klingon Civil War in 2368 (
TNG: "Redemption, Part II
Redemption (TNG episode)
"Redemption" is the name of a two-part episode of the science fiction television series Star Trek: The Next Generation. Parts I and II of "Redemption" comprise the 100th and 101st episodes of the series, also being the fourth season finale and the fifth season premiere...

"). In 2369, the
Charleston is assigned to a deep space exploration mission to sector 22055 (TNG: "Brothers
Brothers (TNG episode)
"Brothers" is an episode from the fourth season of Star Trek: The Next Generation.-Plot:A misguided prank between two young brothers exposes one of them to a toxic parasite that cannot be treated on the USS Enterprise, but Dr. Crusher is able to stabilize his condition in a controlled environment...

").


USS
Crazy Horse (NCC-50446)
The starship Crazy Horse is part of a fleet sent to face an anticipated Borg
Borg (Star Trek)
The Borg are a fictional pseudo-race of cybernetic organisms depicted in the Star Trek universe associated with Star Trek.Whereas cybernetics are used by other races in the science fiction world to repair bodily damage and birth defects, the Borg use enforced cybernetic enhancement as a means of...

 invasion in 2369 (
TNG: "Descent, Part I
Descent (TNG episode)
"Descent" comprises the 152nd and 153rd episodes of the television series Star Trek: The Next Generation, a two-part story where part one is a cliffhanger ending to season 6 and part two begins season 7.-Overview:...

"). The
Crazy Horse rendezvouses with the Enterprise-D
USS Enterprise (NCC-1701-D)
The USS Enterprise is a 24th century starship in the Star Trek fictional universe and the principal setting of the Star Trek: The Next Generation television series...

 in Sector 1607 in 2370 to pick up Rear Admiral Erik Pressman (
TNG: "The Pegasus
The Pegasus (TNG episode)
"The Pegasus" is the 164th episode of the science fiction television series Star Trek: The Next Generation.-Overview:In this episode, crew of the Federation Starfleet Starship USS Enterprise-D attempt to recover the Pegasus, which was a Federation starship possibly containing experimental...

").


USS
Crockett (NCC-38955)
The starship Crockett transports Admiral Mitsuya to Deep Space Nine
Deep Space Nine (space station)
Deep Space Nine is a fictitious space station, and is the eponymous primary setting of the science fiction television series Star Trek: Deep Space Nine. It serves as a base for the exploration of the Gamma Quadrant via the Bajoran wormhole, and is a hub of trade and travel for the sector's denizens...

 in 2370 (
DS9: "Paradise
Paradise (DS9 episode)
"Paradise" is 35th episode of the science fiction television series Star Trek: Deep Space Nine.-Oveview:Sisko and O'Brien find themselves stranded on a world, populated by survivors of a shipwrecked expedition, where none of their devices will function.-Plot:While on a reconnaissance mission of...

").


USS
Enterprise
USS Enterprise (NCC-1701-B)
The USS Enterprise is a fictional starship in the Star Trek science fiction franchise. It is an Excelsior-class upgrade Starfleet vessel that appears under the command of Captain John Harriman in the film Star Trek Generations...

 (NCC-1701-B)
The Enterprise-B was commissioned in 2293 and commanded by Captain John Harriman
John Harriman
John Harriman is a fictional character in the Star Trek universe, the commanding officer of the starship USS Enterprise-B. Played by actor Alan Ruck, he first appeared in the 1994 film Star Trek Generations, commanding the Enterprise-B on its maiden voyage during which James T. Kirk was apparently...

 at its launch (
Star Trek Generations). The ship was succeeded by the USS Enterprise
USS Enterprise (NCC-1701-C)
The USS Enterprise is a fictional starship that appears in the Star Trek: The Next Generation episode "Yesterday's Enterprise". This Ambassador-class starship, under the command of Captain Rachel Garrett , is the fourth Federation starship to carry the name Enterprise...

 (NCC-1701-C) (
TNG: "Yesterday's Enterprise
Yesterday's Enterprise (TNG episode)
"Yesterday's Enterprise" is the fifteenth episode of the third season of the science fiction television show Star Trek: The Next Generation. The episode first aired in syndication the week of February 19, 1990...

"). This vessel was a variation upon the original
Excelsior design, including minor differences in the exterior of the primary and secondary hull.


USS
Excelsior
USS Excelsior (Star Trek)
The USS Excelsior is a starship in the Star Trek universe. The Excelsior was first seen in the 1984 film, Star Trek III: The Search for Spock. It later appeared in the 1986 film, Star Trek IV: The Voyage Home...

 (NX-2000, changed to NCC-2000)
According to the ship's dedication plaque, the USS Excelsior is the first ship of its class, launched from the San Francisco Fleet Yards. The ship first appears in Star Trek III under the command of Captain Styles. Later commanded by Captain Hikaru Sulu
Hikaru Sulu
Hikaru Sulu is a character in the Star Trek media franchise. First portrayed by George Takei in the original Star Trek series, Sulu also appears in the animated Star Trek series, the first six Star Trek movies, one episode of Star Trek: Voyager, and in numerous books, comics, and video games...

 in
Star Trek VI: The Undiscovered Country
Star Trek VI: The Undiscovered Country
Star Trek VI: The Undiscovered Country is the sixth feature film in the Star Trek science fiction franchise and is the last of the Star Trek films to include the entire main cast of the 1960s Star Trek television series. Released in 1991 by Paramount Pictures, it was directed by Nicholas Meyer and...

, it spent three years cataloging gaseous planetary anomalies in the Beta Quadrant. In 2293, the Excelsior encounters the shock wave from the explosion of Praxis. Shortly afterward, in the Voyager episode "Flashback
Flashback (Voyager episode)
"Flashback" is the name of the 44th episode of Star Trek: Voyager, the second episode of the third season.It is noteworthy for featuring characters of the Original Series of the late 1960s, most noticeably Hikaru Sulu and Janice Rand . Both characters appear by means of a flashback by Tuvok...

", the
Excelsior is involved in a failed attempt to rescue Captain James T. Kirk
James T. Kirk
James Tiberius "Jim" Kirk is a character in the Star Trek media franchise. Kirk was first played by William Shatner as the principal lead character in the original Star Trek series. Shatner voiced Kirk in the animated Star Trek series and appeared in the first seven Star Trek movies...

 and Dr. Leonard McCoy
Leonard McCoy
Leonard "Bones" McCoy is a character in the Star Trek media franchise. First portrayed by DeForest Kelley in the original Star Trek series, McCoy also appears in the animated Star Trek series, seven Star Trek movies, the pilot episode of Star Trek: The Next Generation, and in numerous books,...

 and is attacked by several K't'inga class starship
Klingon starships
In the Star Trek franchise, the Klingon Empire makes use of several classes of starships. As the Klingons are portrayed as a warrior culture, driven by the pursuit of honor and glory, the Empire is shown to use warships almost exclusively. This contrasts with the exploration and research vessels...

s. The
Excelsior later plays a vital role in defeating General Chang
Chang (Star Trek)
General Chang is a fictional character from the Star Trek fictional universe who was portrayed by Christopher Plummer in Star Trek VI: The Undiscovered Country....

 over Khitomer during the signing of the First Khitomer Accords. Vice Admiral James T. Kirk
James T. Kirk
James Tiberius "Jim" Kirk is a character in the Star Trek media franchise. Kirk was first played by William Shatner as the principal lead character in the original Star Trek series. Shatner voiced Kirk in the animated Star Trek series and appeared in the first seven Star Trek movies...

 refers to the
Excelsior as "The Great Experiment" in Star Trek III.


USS
Fearless (NCC-14598)
The starship Fearless was used for testing engine and software upgrades in 2364 (TNG: "Where No One Has Gone Before
Where No One Has Gone Before (TNG episode)
"Where No One Has Gone Before" is the 6th episode of the science fiction television series Star Trek: The Next Generation-Overview:An alien visitor takes the Enterprise on a wild trip outside of the galaxy.-Plot:...

"). The
Fearless is assigned to planetary mapping in the Beta Mahoga system (TNG: "Brothers").


USS
Fredrickson (NCC-42111)
The starship Frederickson briefly docks at Utopia Planitia Fleet Yards in 2371 (Voy: "Relativity
Relativity (Voyager episode)
"Relativity" is an episode of Star Trek: Voyager, the 24th episode of the fifth season. The episode has an average rating of 4.6/5 on the official Star Trek website .- Plot :...

") and serves during the Dominion War
Dominion War
The Dominion War is an extended plot concept developed in a number of story arcs of Star Trek: Deep Space Nine, an American science-fiction television series produced by Paramount Pictures...

 (
DS9: "A Time to Stand
A Time to Stand (DS9 episode)
- Synopsis :Three months after the events of Call to Arms, the Federation-Klingon alliance is badly losing the Dominion War. After hearing news that the Seventh Fleet was almost obliterated, Captain Benjamin Sisko and his command crew are assigned to pilot a captured Jem'Hadar attack ship into...

", "Sacrifice of Angels
Sacrifice of Angels (DS9 episode)
"Sacrifice of Angels" was the sixth episode from the sixth season of Star Trek: Deep Space Nine. The episode's plot details the efforts of the United Federation of Planets to retake space station Terok Nor from the forces of the Dominion.-Plot:...

"). The
Fredrickson is seen being towed by a Klingon tug-tender in (DS9: "A Time to Stand
A Time to Stand (DS9 episode)
- Synopsis :Three months after the events of Call to Arms, the Federation-Klingon alliance is badly losing the Dominion War. After hearing news that the Seventh Fleet was almost obliterated, Captain Benjamin Sisko and his command crew are assigned to pilot a captured Jem'Hadar attack ship into...

") after several months of battle with the
Dominion.


USS
Gorkon (NCC-40512)
The starship Gorkon is the flagship of a fleet sent to face an anticipated Borg invasion circa in 2369 (TNG: "Descent, Part I"). According to the production notes in The Star Trek Encyclopedia, it was named for Klingon
Klingon
Klingons are a fictional warrior race in the Star Trek universe.Klingons are recurring villains in the 1960s television show Star Trek: The Original Series, and have appeared in all five spin-off series and eight feature films...

 Chancellor Gorkon.


USS
Grissom (NCC-42857)
The starship Grissom assists the Enterprise-D during a contamination problem on Beta Agni II in 2368 (TNG: "The Most Toys
The Most Toys (TNG episode)
"The Most Toys" is a 1990 episode from the science fiction television series Star Trek: The Next Generation.-Overview:The episode involves Lieutenant Commander Data being kidnapped by an obsessive collector, who leads the Enterprise crew to believe that Data was killed in a shuttlecraft...

"). The
Grissom was destroyed by Jem'Hadar
Jem'Hadar
In the fictional Star Trek universe, the Jem'Hadar are the shock troops of the powerful Dominion located in the Gamma Quadrant. Genetically engineered for strength and resolve, they are also short-lived and believe that "victory is life." They are bred to perceive the Founders, enigmatic...

 forces in the battle of Ricktor Prime in 2375 during the Dominion War
Dominion War
The Dominion War is an extended plot concept developed in a number of story arcs of Star Trek: Deep Space Nine, an American science-fiction television series produced by Paramount Pictures...

. Only six crewmembers survived, including Vulcan
Vulcan (Star Trek)
Vulcans, or sometimes Vulcanians, are an extraterrestrial humanoid species in the Star Trek universe who evolved on the planet Vulcan, and are noted for their attempt to live by reason and logic with no interference from emotion. They were the first extraterrestrial species in the Star Trek...

 science officer Lieutenant Chu'lak, who later murders several Starfleet officers on Deep Space Nine
Deep Space Nine (space station)
Deep Space Nine is a fictitious space station, and is the eponymous primary setting of the science fiction television series Star Trek: Deep Space Nine. It serves as a base for the exploration of the Gamma Quadrant via the Bajoran wormhole, and is a hub of trade and travel for the sector's denizens...

 (
DS9: "Field of Fire
Field of Fire (DS9 episode)
"Field of Fire" is an episode from the seventh season of Star Trek: Deep Space Nine. The production code of the episode is 563. First aired February 10, 1999. It was written by Robert Hewitt Wolfe. Directed by Tony Dow.-Plot:...

"). According to the production notes in
The Star Trek Encyclopedia, a previous starship Grissom was named for astronaut Gus Grissom
Gus Grissom
Virgil Ivan Grissom , , better known as Gus Grissom, was one of the original NASA Project Mercury astronauts and a United States Air Force pilot...

.


USS
Hood (NCC-42296)
The starship Hood is commanded by Captain Robert DeSoto and was Commander William Riker
William Riker
William Thomas Riker, played by Jonathan Frakes, is a fictional character in the Star Trek universe primarily appearing as a main character in Star Trek: The Next Generation...

's assignment before his transfer to the
Enterprise-D in 2364. The Hood is sent to the Romulan Neutral Zone to help ward off a possible Romulan attack in 2366 (TNG: "The Defector (TNG episode)
The Defector (TNG episode)
"The Defector" is the 58th episode of the science fiction television series Star Trek: The Next Generation.-Overview:A Romulan defector demands asylum aboard the Enterprise with vital information about a possible Romulan invasion.-Plot:...

"). The
Hood is on a terraforming
Terraforming
Terraforming of a planet, moon, or other body is the hypothetical process of deliberately modifying its atmosphere, temperature, surface topography or ecology to be similar to those of Earth, in order to make it habitable by terrestrial organisms.The term is sometimes used more generally as a...

 project on Browder IV (
TNG: "Allegiance
Allegiance (TNG episode)
"Allegiance" is the title of an episode from the third season of Star Trek: The Next Generation.-Plot:Captain Picard, while sleeping in his quarters on the Enterprise after the successful completion of a mission, is abducted by an unknown device and finds himself in a cell with three other...

"). The
Hood transfers Tam Elbrun to the Enterprise-D in the Hayashi system (TNG: "Tin Man
Tin Man (TNG episode)
"Tin Man" is the title of an episode from the third season of Star Trek: The Next Generation.-Plot:The Enterprise brings aboard the Betazoid Federation emissary Tam Elbrun, and takes him to a distant star system...

"). In 2368, the
Hood undergoes a systems upgrade at Starbase 174 (TNG: "Brothers") and is later involved in the Romulan tachyon
Tachyon
A tachyon is a hypothetical subatomic particle that always moves faster than light. In the language of special relativity, a tachyon would be a particle with space-like four-momentum and imaginary proper time. A tachyon would be constrained to the space-like portion of the energy-momentum graph...

 blockade at the outbreak of the Klingon Civil War (
TNG: "Redemption, Part II"). The Hood is part of Operation Return during the Dominion War
Dominion War
The Dominion War is an extended plot concept developed in a number of story arcs of Star Trek: Deep Space Nine, an American science-fiction television series produced by Paramount Pictures...

 (
DS9: "A Time to Stand", "Sacrifice of Angels") and fights at the First Battle of Chin'toka (DS9: "Tears of the Prophets
Tears of the Prophets (DS9 episode)
"Tears of the Prophets" is the last episode of the sixth-season of Star Trek: Deep Space Nine first broadcast on June 17, 1998.In this episode, Starfleet Command plans to go on the offensive and it is decided that Captain Sisko will be responsible for planning the first steps in the assault on the...

"). The ship is part of Battle Group Omega sent to intercept the Reman warship
Scimitar in 2379 (Star Trek Nemesis).


USS
Intrepid (NCC-38907)
The starship Intrepid responded to a Klingon
Klingon
Klingons are a fictional warrior race in the Star Trek universe.Klingons are recurring villains in the 1960s television show Star Trek: The Original Series, and have appeared in all five spin-off series and eight feature films...

 distress call from the Khitomer outpost following a Romulan attack in 2346 (
TNG: "Sins of the Father", TNG: "Redemption, Part I"). As an in-joke, the ship's captain was named on a bridge display as Drew Deighan, one of the writers of "Sins of the Father". Presumed decommissioned, destroyed, or missing to give her name to the Intrepid class starship
Intrepid class starship (Star Trek)
The Intrepid class is a fictional Starfleet starship class in the Star Trek universe, the most notable being Star Trek: Voyagers titular USS Voyager...

.


USS Lakota (NCC-42768)
The Lakota under the command of Captain Erika Benteen intercepts the USS Defiant on the latter's way to earth during Vice Admiral Leyton's attempted coup (DS9: "Paradise Lost"). She also shared the same design variation as the Enterprise-B as seen in Generations.


USS Livingston (NCC-34099)
Benjamin Sisko was assigned to the Livingston upon being promoted to the rank of lieutenant. Sisko and Curzon Dax first met aboard the ship when they served together there during the 2360s, leading to a lifetime friendship. An episode of DS9 (DS9: "Invasive Procedures") described an incident they witnessed while serving aboard in which the Livingstons science officer, Kustanovich, performed a stunt involving the consumption of eight helpings of Andorian redbat.


USS Malinche (NCC-38997)
Under the command of Captain Sanders, the Malinche is transferred from its patrol near the Gamma 7 outpost to the task of capturing Michael Eddington. The ship is ambushed and disabled by a group of Maquis
Maquis (Star Trek)
In the American Star Trek science-fiction franchise, the Maquis are a 24th Century paramilitary organization or terrorist group first introduced in the 1994 episode "The Maquis" of the television series Star Trek: Deep Space Nine, who subsequently also appeared in Star Trek: The Next Generation and...

 raiders led by Eddington soon after (DS9: "For the Uniform").


USS Melbourne (NCC-62043)
The Melbourne is Admiral J. P. Hansen's flagship at the Battle of Wolf 359
Battle of Wolf 359
The Battle of Wolf 359 is a fictional space battle in the Star Trek universe between the United Federation of Planets and the Borg Collective in the year 2367...

, where it is destroyed by the Borg
Borg (Star Trek)
The Borg are a fictional pseudo-race of cybernetic organisms depicted in the Star Trek universe associated with Star Trek.Whereas cybernetics are used by other races in the science fiction world to repair bodily damage and birth defects, the Borg use enforced cybernetic enhancement as a means of...

 (TNG: "The Best of Both Worlds, Part II
The Best of Both Worlds (TNG episode)
"The Best of Both Worlds" is a two-part storyline from the television series Star Trek: The Next Generation.-Part 1:...

", DS9: "Emissary, Part I
Emissary (DS9 episode)
"Emissary" is the 1st and 2nd episodes, comprising the pilot, of the science fiction television series Star Trek: Deep Space Nine.-Overview:...

").


USS Okinawa (NCC-13958)
She was an early assignment of Benjamin Sisko, who served on her in the 2360s. (DS9: "Homefront
Homefront (DS9 episode)
"Homefront" is an episode of the television series Star Trek: Deep Space Nine, the eleventh episode of the fourth season. It is rated 4.3/5 on the official Star Trek Website.- Plot :...

", "Paradise Lost
Paradise Lost (DS9 episode)
"Paradise Lost" is an episode of Star Trek: Deep Space Nine, the twelfth episode of the fourth season. It is rated 4.1/5 on the official Star Trek Website.-Plot:...

").


USS Potemkin (NCC-18253)
In 2361, she contacted the failed colony on Turkana IV. ([TNG: "Legacy
Legacy (TNG episode)
"Legacy" is the 80th episode of the science fiction television series Star Trek: The Next Generation.-Overview:In this episode, the officers of the Federation Starfleet starship USS Enterprise-D encounter Ishara Yar , the sister of their former shipmate Tasha Yar...

") During 2361, Lieutenant William T. Riker was assigned to her, and during this assignment was unknowing split in to two individuals. (TNG: "Second Chances
Second Chances (TNG episode)
"Second Chances" is the 150th episode of the science fiction television series Star Trek: The Next Generation.-Overview:In this episode, Commander Riker comes face to face with an exact duplicate of himself, created by a transporter phenomenon.-Plot:...

"; DS9: "Defiant
Defiant (DS9 episode)
"Defiant" is an episode of Star Trek: Deep Space Nine, the ninth episode of the third season. It maintains a fan rating of 4.7 out of 5 on the official Star Trek Website.-Plot:...

"). On board the Potemkin, Riker started his regular poker game (TNG: "Lower Decks"), and developed starship tactics. (TNG: "Peak Performance
Peak Performance (TNG episode)
"Peak Performance" is an episode from the second season of Star Trek: The Next Generation.-Plot:The USS Enterprise-D is ordered by Starfleet Command to take part in a combat practice simulation in preparation for the Borg threat...

").
In 2368, the ship brought Dr. Toby Russell, to the Enterprise-D so that she could help Lt. Worf's recover from a severe spinal injury. (TNG: "Ethics
Ethics (TNG episode)
"Ethics" is a fifth season episode of Star Trek: The Next Generation. The episode has an average rating of 4.2/5 on the official Star Trek website .-Plot:...

").
She was part of the Ninth Fleet around Bajor in 2374. (DS9: "You Are Cordially Invited...")


USS Repulse (NCC-2544)
The Repulse was Katherine Pulaski
Katherine Pulaski
Commander Katherine Pulaski, MD; played by Diana Muldaur, is the replacement chief medical officer for Dr. Beverly Crusher during the second season of the television series Star Trek: The Next Generation.-Overview:...

's assignment prior to joining the Enterprise-D crew (TNG: "Unnatural Selection
Unnatural Selection (TNG episode)
"Unnatural Selection" is the 33rd episode of the television series Star Trek: The Next Generation.-Overview:The crew of the Enterprise encounters a Starfleet supply ship where everyone has died from rapid aging...

") and is listed on the mission status chart seen on screens from season 4 of TNG onward (TNG: "Brothers
Brothers (TNG episode)
"Brothers" is an episode from the fourth season of Star Trek: The Next Generation.-Plot:A misguided prank between two young brothers exposes one of them to a toxic parasite that cannot be treated on the USS Enterprise, but Dr. Crusher is able to stabilize his condition in a controlled environment...

"). It also appears on a casualty report seen in DS9 ("In the Pale Moonlight").


USS Roosevelt (NCC-2573)
The USS Roosevelt was destroyed at the Battle of Wolf 359 (TNG: "The Best of Both Worlds, Part II").


USS Tecumseh (NCC-14934)
She fought in the Cardassian War and the Second Klingon War of 2373. (DS9: "…Nor the Battle to the Strong")
Later she fought in the Dominion War of 2374–75. (DS9: "In the Pale Moonlight
In the Pale Moonlight
"In the Pale Moonlight" is the 19th episode of the sixth season of Star Trek: Deep Space Nine. The episode has an average rating of 4.8/5 on the official Star Trek website , one of the highest rated episodes out of all of the Star Trek series on the website.Sick of the losses the Federation is...

", "Image in the Sand")


USS Valley Forge (NCC-43305)
She was heavily damaged by Cardassian orbital weapon platforms in 2374. (DS9: "Tears of the Prophets
Tears of the Prophets (DS9 episode)
"Tears of the Prophets" is the last episode of the sixth-season of Star Trek: Deep Space Nine first broadcast on June 17, 1998.In this episode, Starfleet Command plans to go on the offensive and it is decided that Captain Sisko will be responsible for planning the first steps in the assault on the...

")
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