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{{multiple}}
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{{spoiler LD}}
 
{{sidebar station
 
{{sidebar station
 
|name = Deep Space 9
 
|name = Deep Space 9
|image = Deep space 9.jpg
+
|image = USS Defiant and Yeager at DS9.jpg
|type = Orbital Docking Station
+
|type = {{type|Terok Nor}}
|owner = [[Bajoran Provisional Government]]
+
|owner = [[Bajoran Republic]]
 
|operator = [[Bajoran Militia]]<br />[[Starfleet]]
 
|operator = [[Bajoran Militia]]<br />[[Starfleet]]
  +
|location = [[Denorios belt]]<br />[[Bajoran system]]<br />[[Alpha Quadrant]]
 
|status = Active
 
|status = Active
|datestatus = 2376
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|datestatus = 2401
|diameter = 1451.82 meters
+
|diameter =
|draft = 969.26 meters
+
|draft =
|mass = 10,120,000 metric tons (Tonnes)
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|mass =
|levels = 98
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|levels =
 
|crew = 300 to 2,000 (Bajoran and Starfleet)
 
|crew = 300 to 2,000 (Bajoran and Starfleet)
 
|maxcrew = 7,000
 
|maxcrew = 7,000
Line 16: Line 19:
 
|armament = 48 [[phaser]] arrays (rotary mounts); 36 phaser emitters (stationary mounts); 3 phaser emitters (sliding mounts); 48+ [[torpedo launcher]]s, 5,000+ [[photon torpedo]]es (after [[2372]] refit)
 
|armament = 48 [[phaser]] arrays (rotary mounts); 36 phaser emitters (stationary mounts); 3 phaser emitters (sliding mounts); 48+ [[torpedo launcher]]s, 5,000+ [[photon torpedo]]es (after [[2372]] refit)
 
|defenses = [[Deflector shield]]s
 
|defenses = [[Deflector shield]]s
|image2 = Deep Space 9 CGI.jpg
+
|image2 = Deep Space 9, 2375.jpg
 
}}
 
}}
{{Disambiguate|the series|Star Trek: Deep Space Nine}}
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{{disambiguation|the series|Star Trek: Deep Space Nine}}
{{Mirror disambiguation|fullname=Terok Nor (mirror)}}
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{{mirror disambiguation|Terok Nor (mirror)|rd=Terok Nor}}
{{Disambiguate|the novel series|Star Trek: Terok Nor|Terok Nor}}
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{{disambiguation|the novel series|Star Trek: Terok Nor}}
  +
{{aquote|Think of it. Five years ago, no one had ever heard of Bajor or Deep Space 9 and now, all our hopes rest here.|Gowron''' to Benjamin Sisko'''<nowiki/>|2373|By Inferno's Light}}
----
 
  +
{{aquote|Tacky Cardassian fascist eyesore.|Shaxs|2381|Hear All, Trust Nothing}}
"''Think of it. Five years ago no one had ever heard of Bajor or Deep Space 9 and now, all our hopes rest here.''"
 
  +
'''Deep Space 9''', unofficially known as '''DS9''', and originally known as '''Terok Nor''', was one of the most [[historic]]ally, politically, and strategically important [[space station]]s in the [[Alpha Quadrant]] during the latter half of the [[24th century]]. The space station was constructed by [[Bajoran]] [[slave]] labor overseen by the [[Cardassian]]s in [[orbit]] of [[Bajor]] during their [[Occupation of Bajor|occupation of the planet]]. Under [[Federation]] administration following the Cardassian withdrawal, the station was relocated into the [[Bajoran system]]'s [[Denorios belt]]. There, DS9 became a vital commercial port and defensive [[outpost]] due to its location near the mouth of the [[Bajoran wormhole]]. It later became a key strategic location during the [[Dominion War]] for both the [[Dominion]] and the [[Federation Alliance]].
:- '''[[Chancellor of the Klingon High Council|Chancellor]] [[Gowron]]''' to '''[[Captain]] [[Benjamin Sisko]]''' in [[By Inferno's Light (episode)|2373]]
 
 
One of the most [[history|historically]], politically, and strategically important [[space station]]s in the [[Alpha Quadrant]] during the latter half of the [[24th century]], '''Deep Space 9''', originally known as '''Terok Nor''', was an [[orbit]]al space station constructed by the [[Cardassian]]s in orbit of [[Bajor]] during their [[Occupation of Bajor|occupation of the planet]]. Under [[Federation]] administration, following the Cardassian withdrawal and relocation to the [[Bajoran system]]'s [[denorios belt]], DS9 became a vital commercial port and defensive [[outpost]] due to its location near the mouth of the [[Bajoran wormhole]]. It later became a key strategic location during the [[Dominion War]], for both the [[Dominion]] and the [[Federation Alliance]].
 
 
== Command crew ==
 
''([[2369]]-[[2375]])''
 
*[[Captain]] [[Benjamin Sisko]] - [[Commanding officer]]
 
*[[Colonel]] [[Kira Nerys]] - [[First officer]]/[[Bajoran Provisional Government|Bajoran]] [[liaison officer]]
 
*[[Lieutenant Commander]] [[Worf]] - [[Strategic operations officer]]/[[Fleet liaison officer]]/[[Intelligence officer]] ([[2372]]-2375)
 
*[[Lieutenant]] [[Julian Bashir]] - [[Chief medical officer]]
 
*[[Lieutenant junior grade]] [[Ezri Dax]] - [[Counselor]] (2375-)
 
*[[Lieutenant junior grade]] [[Nog]] - station maintenance ([[2373]]-)
 
*[[Senior Chief Petty Officer]] [[Miles O'Brien]] - [[Chief of operations]] ([[2369]]-2375)
 
*[[Constable]] [[Odo]] - [[Security chief]]
 
 
;Deceased
 
*[[Lieutenant Commander]] [[Jadzia Dax]] - [[Science officer]] (2369-[[2374]]; KIA)
 
*[[Lieutenant Commander]] [[Michael Eddington]] - [[Security chief|Chief of Starfleet security]] ([[2371]]-2372; Defected to [[Maquis]])
 
 
== Notable residents ==
 
* [[Elim Garak]] ([[tailor]]) ([[2369]]-[[2375]])
 
* [[Jake Sisko]] (son of Benjamin Sisko) ([[2369]]-)
 
* [[Kasidy Yates]] (wife of Captain Sisko) ([[2371]]-)
 
* [[Keiko O'Brien]] (wife of Chief O'Brien, [[school]] [[teacher]]) ([[2369]]-[[2375]])
 
* [[Leeta]] ([[dabo girl]]) ([[2371]]-[[2375]])
 
* [[Morn]] (noted customer at [[Quark's]]) ([[2364]]-)
 
* [[Quark]] (owner of the station's bar, Quark's) (ca. [[2363]]-)
 
* [[Rom]] (Quark's brother) (ca. [[2363]]-[[2375]])
 
 
== Representatives ==
 
* [[General]]/[[Chancellor]] [[Martok]] ([[Klingon Empire]] representative - [[2373]]-[[2375]])
 
* [[Subcommander]] [[T'Rul]] ([[Romulan Star Empire]] representative - [[2371]])
 
* [[Senator]] [[Letant]] (Romulan Star Empire representative - [[2374]])
 
* [[Senator]] [[Kimara Cretak]] (Romulan Star Empire representative - [[2375]])
 
   
 
== History ==
 
== History ==
=== Terok Nor and the Occupation ===
+
=== Terok Nor ===
 
[[File:Terok Nor orbiting Bajor.jpg|thumb|Terok Nor orbiting Bajor prior to 2369]]
 
[[File:Terok Nor orbiting Bajor.jpg|thumb|Terok Nor orbiting Bajor prior to 2369]]
Terok Nor was the station's original Cardassian designation. Built by [[Bajoran]] [[slave]] labor during the [[Occupation of Bajor]] under the leadership of the [[Cardassian Union]] between [[2346]] and [[2351]], its original purpose was to serve as a refinery for [[uridium]] [[ore]] that was [[mining|mined]] from Bajor's surface, a process carried out in temperatures as high as 55 degrees [[Celsius]]. ({{DS9|Babel|Wrongs Darker Than Death or Night}}) Therefore, Terok Nor had extensive ore refining and transport facilities that occupied the large [[docking pylon]] structures and was built to accommodate up to seven thousand humanoid-sized people as well as process up to twenty thousand tons of ore a day. ({{DS9|Sanctuary|Civil Defense|Things Past}}) The station also served as a command post from which the Cardassian [[Prefect]] of Bajor, most notably [[Gul]] [[Dukat]], oversaw the [[military]] aspects of the Occupation. In one of his recorded messages for the [[counter-insurgency program]] installed on the station, Dukat described Terok Nor as being "a [[paradise]]" compared to Bajor. ({{DS9|Civil Defense}}) Like the [[planet]] it orbited, the station operated on a twenty-six hour day. ({{DS9|A Man Alone}})
+
Terok Nor was the station's original Cardassian designation. ({{DS9|Cardassians|A Time to Stand|Wrongs Darker Than Death or Night}}) Constructed between [[2346]] and [[2351]], its original purpose was to serve as a refinery for [[uridium]] [[ore]] that was [[mining|mined]] from Bajor's [[surface]], a process carried out in [[temperature]]s as high as 55 °[[Celsius]]. ({{DS9|Babel|Wrongs Darker Than Death or Night|Civil Defense}}) Therefore, Terok Nor had extensive ore refining and transport facilities that occupied the large [[docking pylon]] structures and was built to accommodate up to seven thousand [[humanoid]]-sized people as well as process up to twenty thousand tons of ore a day. ({{DS9|Sanctuary|Civil Defense|Things Past}})
   
  +
{{bginfo|A briefing on the construction history of Deep Space 9 in {{STTM|1|15|31-31}}, suggests it was built over the course of 2.7 years starting in 2351, from the core out, primarily of materials found in the Bajoran system along with some metals mined from the [[asteroid]]s in the [[Cardassian system]].}}
In [[2365]], Gul Dukat took the unusual step of appointing a non-Cardassian as the chief of security aboard Terok Nor. [[Odo]], a [[Changeling|shapeshifter]] discovered on a derelict [[starship|ship]] near Bajor some years before, had ties to both the Cardassians and the Bajorans on the station. ({{DS9|Necessary Evil}})
 
   
  +
The station also served as a command post from which the Cardassian [[Prefect]] of Bajor, most notably [[Gul]] [[Dukat]], oversaw the [[military]] aspects of the Occupation. In one of his recorded messages for the [[counter-insurgency program]] installed on the station, Dukat described Terok Nor as being "a [[paradise]]" compared to Bajor. ({{DS9|Civil Defense}}) Like the [[planet]] it orbited, the station operated on a twenty-six hour day. ({{DS9|A Man Alone|Ties of Blood and Water}})
In [[2369]], the Cardassians decided to withdraw from Bajor after fifty years of occupation. Unable to move the station across interstellar distances, they left the outpost in its high orbit. Before departing, however, Cardassian soldiers rampaged across the station, removing or destroying a large portion of the station's equipment and killing several shop owners. ({{DS9|Emissary}})
 
{{bginfo|It is not known for certain why the Cardassians chose to abandon the station rather than destroy it to prevent its use by the Bajorans. The Cardassians likely planned to re-occupy Bajor at some point in the future, as evidenced by their prominent role early on in DS9's second season. In the non-canon ''[[Star Trek: Deep Space Nine - Millennium|Millennium]]'' book series, however, it is revealed that the self-destruct system was actually shut down by [[Elim Garak|Garak]], who had recently returned from a brief trip six years into the future where he had been given a memory node containing Dukat's command codes, which he used to shut the self-destruct down before erasing his memory of that future.}}
 
   
  +
In [[2365]], Dukat took the unusual step of appointing a non-Cardassian as the [[chief of security]] aboard Terok Nor. [[Odo]], a [[Changeling|shapeshifter]] discovered on a derelict [[starship|ship]] near Bajor some years before, had ties to both the Cardassians and the Bajorans on the station. ({{DS9|Necessary Evil|Tribunal}})
=== DS9 and the Federation ===
 
[[File:Galaxy class docked at DS9.jpg|thumb|The {{USS|Enterprise|NCC-1701-D|-D}} at Deep Space 9 in [[2369]]]]
 
[[File:USS Voyager docked at DS9.jpg|thumb|The {{USS|Voyager}} docked at Deep Space 9 in [[2371]]]]
 
[[File:USS Voyager departing Deep Space 9.jpg|thumb|The {{USS|Voyager}} departing Deep Space 9 in [[2371]]]]
 
Following the Cardassian retreat, the [[Bajoran Provisional Government]] petitioned for [[Federation members]]hip, and also for [[Starfleet]] assistance in repairing and maintaining Terok Nor. A complex arrangement was established, in which a Starfleet officer would have overall authority in running the station, while the station remained sovereign Bajoran territory. A representative of the [[Bajoran Militia]] would serve as the station's [[first officer]] and as liaison to the Bajoran government. The station was renamed "Deep Space 9", and [[Benjamin Sisko]] was appointed as commander, at [[Admiral]] [[Leyton]]'s recommendation. ({{DS9|Emissary|Homefront}})
 
   
  +
In [[2369]], the Cardassians decided to withdraw from Bajor after fifty years of occupation. Unable to move the station across interstellar distances, they left the outpost in its high orbit. Before departing, however, Cardassian soldiers rampaged across the station, removing or destroying a large portion of the station's equipment and killing several shop owners. ({{DS9|Emissary}})
As station commander, one of the most important facets of the station Sisko sought to develop was commerce. The Cardassians had allowed a small series of businesses and entertainment facilities to operate in the central, multi-level market area called the [[Promenade]]. Because almost all of the shops were owned by non-Bajorans, Sisko hoped to convince many of them to stay to help build a trade network through Bajoran [[space]]. In particular, Sisko convinced [[Quark]], owner of [[Quark's]], the largest establishment on the Promenade, to maintain his business on-station as an example for others, as well as to become a community leader and eventually chairman of the [[Promenade Merchants Association]]. ({{DS9|Emissary|Call to Arms}})
 
   
  +
{{bginfo|It is not known for certain why the Cardassians chose to abandon the station rather than destroy it to prevent its use by the Bajorans. The Cardassians likely planned to re-occupy Bajor at some point in the future, as evidenced by their prominent role early on in DS9's second season.|In the non-canon ''[[Star Trek: Deep Space Nine - Millennium|Millennium]]'' book series, however, it is revealed that the [[self-destruct system]] was actually shut down by [[Elim Garak|Garak]], who had recently returned from a brief trip six years into the future where he had been given a memory node containing Dukat's command codes, which he used to shut the self-destruct down before erasing his memory of that future.}}
The station quickly became an important facility for Starfleet. Over time, several hundred starships docked at the station for various reasons. The {{USS|Enterprise|NCC-1701-D|-D}} was the first Starfleet ship to dock at the station in 2369, when it transported the majority of the station's Starfleet [[crew]] to take up their posts. The ''Enterprise'' also offloaded three [[runabout]]s. ({{DS9|Emissary}}) The ''Enterprise'' returned to DS9 several weeks later to help repair the Bajoran [[aqueduct]] systems that had been damaged during the Occupation. ({{TNG|Birthright, Part I}}) The {{USS|Voyager}} docked at Deep Space 9 in [[2371]] on its way to the [[Badlands]] to search for the [[Maquis]] ship ''[[Val Jean]]''. It was the last [[Alpha Quadrant]] locale the crew of ''Voyager'' visited before being transported to the [[Delta Quadrant]] by the [[Caretaker (Nacene)|Caretaker]]. ({{VOY|Caretaker}}) [[2376|Five years later]], the station helped [[Starfleet Command]] to contact ''Voyager'' in the Delta Quadrant by providing [[interstellar phenomena forecast]]s. ({{VOY|Pathfinder}})
 
   
=== DS9 and the wormhole ===
+
=== Deep Space 9 ===
  +
==== The Federation ====
[[File:Bajoran wormhole.jpg|thumb|left|The Bajoran wormhole]]
 
  +
[[File:Galaxy class docked at DS9.jpg|thumb|The USS ''Enterprise''-D at Deep Space 9 in 2369]]
Only days after the Federation took control of the station, a momentous discovery changed DS9's purpose forever. With encouragement from [[Kai]] [[Opaka]], Sisko and his [[science officer]], [[Lieutenant]] [[Jadzia Dax]], searched for the mythical [[Celestial Temple]] of the [[Prophet]]s, hoping to find a cause or idea to help unify the Bajoran people. While aboard the [[runabout]] {{USS|Rio Grande}}, Sisko and Dax found the only known stable [[wormhole]] in the [[Milky Way Galaxy]], which crossed over seventy thousand [[light year]]s from Bajor in the Alpha Quadrant to a point near the [[Idran system]] in the [[Gamma Quadrant]]. ({{DS9|Emissary}})
 
  +
[[File:USS Voyager docked at DS9.jpg|thumb|The USS ''Voyager'' docked at Deep Space 9 in 2371]]
  +
[[File:USS Voyager departing Deep Space 9.jpg |thumb|''Voyager'' departing Deep Space 9 in 2371]]
  +
Following the Cardassian withdrawal, the [[Bajoran Provisional Government]] petitioned for [[Federation members]]hip, and also for [[Starfleet]] assistance in repairing and maintaining Terok Nor. A complex arrangement was established in which a Starfleet [[officer]] would have overall authority in running the station, while the station remained sovereign [[Bajoran territory]]. A [[representative]] of the [[Bajoran Militia]] would serve as the station's [[first officer]] and as liaison to the Bajoran government. The station was renamed "Deep Space 9", and [[Benjamin Sisko]] was appointed as commander, at [[Admiral]] [[Leyton]]'s recommendation. ({{DS9|Emissary|Homefront}})
   
  +
As station commander, one of the most important facets of the station Sisko sought to develop was commerce. The Cardassians had allowed a small number of businesses and entertainment facilities to operate in the central, multi-level market area called the [[Promenade]]. Because almost all of the shops were owned by non-Bajorans, Sisko hoped to convince many of them to stay to help build a trade network through Bajoran [[space]]. In particular, Sisko convinced [[Quark]], owner of [[Quark's Bar, Grill, Gaming House and Holosuite Arcade]], the largest establishment on the Promenade, to maintain his business on-station as an example for others, as well as to become a community leader and eventually chairman of the [[Promenade Merchants' Association]]. ({{DS9|Emissary|Call to Arms}})
The presence of a stable [[wormhole]] inside the [[Bajoran system]] had an enormous impact on commerce throughout the region, making the system one of the most important locations in the entire Alpha Quadrant &ndash; a fact recognized by the Bajorans, the Federation, and the Cardassians. [[Major]] [[Kira Nerys]], DS9's first officer, ordered the station moved to the mouth of the wormhole in order to cement Bajor's claim. Despite the massive forces and pressures involved in moving the station with only six working [[thruster]]s, [[Chief of operations|Chief of Station Operations]] [[Miles O'Brien]] devised a risky method by which the [[deflector shield]]s were altered to lower the station's inertial [[mass]] to a level sufficient for movement at the speeds necessary to reach the wormhole. The station was positioned close to the mouth of the wormhole, approximately a thousand [[kilometer]]s from its [[event horizon]]. ({{DS9|Emissary}})
 
   
  +
The station quickly became an important facility for Starfleet. Over time, several starships docked at the station for various reasons. The {{USS|Enterprise|NCC-1701-D|-D}} was the first Starfleet ship to dock at the station in 2369, when it transported the majority of the station's Starfleet [[crew]] to take up their posts. The ''Enterprise'' also offloaded three [[runabout]]s and after that, departed for the [[Lapolis system]]. ({{DS9|Emissary}}) The ''Enterprise'' returned to DS9 several weeks later to help repair the Bajoran [[aqueduct]] systems that had been damaged during the Occupation. ({{TNG|Birthright, Part I}}) The {{USS|Voyager}} docked at Deep Space 9 in [[2371]] on its way to the [[Badlands]] to search for the [[Maquis]] ship ''[[Val Jean]]''. It was the last [[Alpha Quadrant]] locale the crew of ''Voyager'' visited before being transported to the [[Delta Quadrant]] by the {{dis|Caretaker|Nacene}}. ({{VOY|Caretaker}}) [[2376|Five years later]], the station helped [[Starfleet Command]] to contact ''Voyager'' in the Delta Quadrant by providing [[interstellar phenomena forecast]]s. ({{VOY|Pathfinder}})
However, the Cardassians had not completely abandoned the system, maintaining surveillance of activities in the region; they quickly found out about the wormhole's discovery and attempted to claim the wormhole for themselves. Gul Dukat ordered his [[warship]] through the wormhole, and was apparently trapped on the far side when the beings controlling the wormhole collapsed its entrance. A short time later, three additional {{ShipClass|Galor}} warships, under the command of Gul [[Jasad]] of the [[Seventh Order]], approached the station. Following a brief armed standoff, the wormhole reappeared, and the ships returned, with the ''Rio Grande'' towing Dukat's warship. With a firm Bajoran-Federation claim established on the wormhole, the Cardassians withdrew. ({{DS9|Emissary}})
 
   
  +
The station's location was labeled in a [[Federation star charts#Commander-in-Chief's office, 2399|Federation star chart]] that was in [[Fleet Admiral]] [[Kirsten Clancy]]'s [[office]] at [[Starfleet Headquarters]] in [[2399]] and on the [[bridge]] of the {{USS|Titan|NCC-80102-A|-A}} in [[2401]]. Deep Space 9 was in or near to [[Federation space]]. ({{PIC|Maps and Legends|The Next Generation|Disengage}})
The impact the wormhole had on the station was enormous. Rather than a minor orbital servicing station and transfer point, DS9 had the potential to become one of the top commerce stations in the entire quadrant. Eager to explore the vast new territories of the Gamma Quadrant, dozens of races established trading relations with Bajor and began sending starships through the wormhole. At the same time, DS9 became the first point of contact in the Alpha Quadrant for any native [[species]] traveling from the Gamma Quadrant. Within the first two years, ships operating from or passing through DS9 made contact with at least twelve different cultures, including the [[Dosi]], the [[Karemma]], the [[Skrreea]]ns, the [[Hunter]]s and the [[Tosk]], the [[Rakhari]], the [[Wadi]], and the [[Paradan]]s. ({{DS9|Rules of Acquisition|The Search, Part I|Sanctuary|Captive Pursuit|Vortex|Move Along Home|Whispers}})
 
   
  +
Later that year, Deep Space 9's position was labeled on a [[star chart]] used by [[Captain]] [[William T. Riker]] during his attempt at finding the last known location of the {{SS|Eleos XII}}. ({{PIC|The Next Generation}})
=== DS9 and Bajoran affairs ===
 
Deep Space 9 was also a unique place for the constant contact and cooperation between people from Bajor and the Federation, and therefore also became a point of tension at times. In late 2369, DS9 became the center of a controversy between Bajoran religious fundamentalists, instigated by then-[[Vedek]] [[Winn Adami]], and pro-Federation factions. The incident brought attention to the fierce contest to elect a new Kai following the disappearance and apparent death of Kai Opaka earlier that year. ({{DS9|Battle Lines}}) Winn protested the ideas taught in DS9's school by volunteer teacher [[Keiko O'Brien]] about the wormhole, creating a rift between some conservative Bajorans and the secular Federation representatives. ({{DS9|In the Hands of the Prophets}})
 
   
  +
==== Discovering the wormhole ====
In early [[2370]], an extremist faction known as the [[Alliance for Global Unity]], also known simply as "The Circle", began an uprising against the Bajoran provisional government. During this ''[[coup]]'', the station became a target of the insurgents as the Circle attempted to force all non-Bajoran influences to leave. All Federation and civilian personnel were ordered to evacuate the station, but Commander Sisko chose to remain behind with a group of volunteers, hoping to prevent the Circle's takeover. A division of the [[Bajoran Militia]] working under the direction of [[Chamber of Ministers|Minister]] [[Jaro Essa]], the leader of the Circle, boarded the station and assumed control. [[General]] [[Krim (General)|Krim]] and [[Colonel]] [[Day Kannu|Day]], commanding the force, engaged in a [[cat]]-and-[[mouse]] [[game]] with the small Starfleet contingent for two days. Evidence was eventually revealed to the [[Chamber of Ministers]] that the Cardassians were secretly arming the Circle, using the [[Kressari]] as intermediaries. With this damning revelation, the Circle's rebellion collapsed, and Krim returned control of the station to Sisko. ({{DS9|The Homecoming|The Circle|The Siege}})
 
  +
[[File:Bajoran wormhole.jpg|thumb|left|The Bajoran wormhole]]
  +
Only [[day]]s after the Federation took control of the station, a momentous discovery changed DS9's purpose forever. With encouragement from [[Kai]] [[Opaka]], Sisko and his [[science officer]], [[Lieutenant]] [[Jadzia Dax]], searched for the mythical [[Celestial Temple]] of the [[Prophet]]s, hoping to find a cause or idea to help unify the Bajoran people. While aboard the runabout {{USS|Rio Grande}}, Sisko and Dax found the only known stable [[wormhole]] in the [[Milky Way Galaxy]], which crossed over seventy thousand [[light year]]s from Bajor in the Alpha Quadrant to a point near the [[Idran system]] in the [[Gamma Quadrant]]. ({{DS9|Emissary}})
   
  +
The presence of a stable wormhole inside the Bajoran system had an enormous impact on commerce throughout the region, making the system one of the most important locations in the entire Alpha Quadrant &ndash; a fact recognized by the Bajorans, the Federation, and the Cardassians. [[Major]] [[Kira Nerys]], DS9's first officer, ordered the station moved to the mouth of the wormhole in order to cement Bajor's claim. Despite the massive forces and pressures involved in moving the station with only six working [[thruster]]s, [[Chief of operations|Chief of Station Operations]] [[Miles O'Brien]] devised a risky method by which the [[deflector shield]]s were altered to lower the station's inertial [[mass]] to a level sufficient for movement at the speeds necessary to reach the wormhole. The station was positioned close to the mouth of the wormhole, approximately a thousand [[kilometer]]s from its [[event horizon]]. ({{DS9|Emissary}})
In later years, there were occasional flare-ups where Bajoran and Federation interests clashed, but none were nearly as explosive. Over time, almost all resistance to Federation influence on DS9 and on Bajor disappeared as Starfleet continued to prove its good intentions. In addition, the increasingly prominent role of Sisko as the [[Emissary of the Prophets]], a major figure in Bajoran religion, helped build acceptance for his position as station commander.
 
   
  +
However, the Cardassians had not completely abandoned the system, maintaining surveillance of activities in the region; they quickly found out about the wormhole's discovery and attempted to claim the wormhole for themselves. Gul Dukat ordered his [[warship]] through the wormhole and was trapped on the far side when the beings controlling the wormhole collapsed its entrance. A short time later, three additional {{class|Galor}} warships, under the command of Gul [[Jasad]] of the [[Seventh Order]], approached the station. Following a brief armed standoff, the wormhole reappeared, and the ships returned, with the ''Rio Grande'' towing Dukat's warship. With a firm Bajoran-Federation claim established on the wormhole, the Cardassians withdrew. ({{DS9|Emissary}})
''In an [[alternate timeline]] in which Benjamin Sisko was apparently killed in an accident aboard the {{USS|Defiant|2370}}, DS9 was transferred to [[Klingon Empire|Klingon]] control in [[2373]].'' ({{DS9|The Visitor}})
 
{{bginfo|'''See also:''' {{DS9|Destiny|Accession|Life Support|Rapture}}}}
 
   
  +
The impact the wormhole had on the station was enormous. Rather than a minor orbital servicing station and transfer point, DS9 had the potential to become one of the top commerce stations in the entire quadrant, and one of Starfleet's most important outposts. [[Quark]] even once referred to the station as "[[Wormhole Junction]]". ({{DS9|Playing God}})
=== DS9 and the Maquis ===
 
In [[2370]], the [[Cardassian freighter]] ''[[Bok'Nor]]'' inexplicably exploded immediately after undocking from DS9. A previously-unknown group in the Cardassian [[Demilitarized Zone]], calling themselves the [[Maquis]], claimed responsibility. The Maquis were dispossessed Federation citizens resisting the cession of their home [[colony|colonies]] to Cardassian control, and were arming themselves with mostly Federation contraband [[weapon]]ry. A short time later, the Maquis also kidnapped Gul Dukat from the station while aboard for consultations with Commander Sisko regarding the situation in the DMZ. ({{DS9|The Maquis, Part I}})
 
   
  +
Eager to explore the vast new territories of the Gamma Quadrant, dozens of races established trading relations with Bajor and began sending starships through the wormhole. At the same time, DS9 became the first point of contact in the Alpha Quadrant for any native [[species]] traveling from the Gamma Quadrant. Within the first two years, ships operating from or passing through DS9 made contact with at least twelve different cultures, including the [[Dosi]], the [[Karemma]], the [[Skrreea]]ns, the [[Hunter]]s, the {{dis|Tosk|species}}, the [[Rakhari]], the [[Wadi]], and the [[Paradan]]s. ({{DS9|Rules of Acquisition|The Search, Part I|Sanctuary|Captive Pursuit|Vortex}}, {{e|Move Along Home}}, {{e|Whispers}})
Although DS9 was not located in the DMZ itself, the Bajoran system's proximity to that area made the station a major target for related operations on occasion. Most notably, in [[2372]] the Maquis hijacked a shipment of twelve Federation [[industrial replicator]]s which were being sent to Cardassia to provide relief in the wake of the [[Klingon-Cardassian War]]. [[Michael Eddington]], the senior [[Starfleet Security]] officer aboard DS9, publicly defected to the Maquis in this incident, and later went on to unify the various Maquis cells under his leadership. ({{DS9|For the Cause}})
 
{{bginfo|'''See also:''' {{DS9|Tribunal|Defiant|For the Uniform}}}}
 
   
=== DS9 and the Dominion War ===
+
==== Bajoran affairs ====
  +
Deep Space 9 was also a unique place for the constant contact and cooperation between people from Bajor and the Federation, and therefore also became a point of tension at times. In late 2369, DS9 became the center of a controversy between Bajoran religious fundamentalists, instigated by then-[[Vedek]] [[Winn Adami]], and pro-Federation factions. The incident brought attention to the fierce contest to elect a new Kai following the disappearance and apparent death of Kai Opaka earlier that year. ({{DS9|Battle Lines}}) Winn protested the ideas taught in DS9's [[school]] by volunteer [[teacher]] [[Keiko O'Brien]] about the wormhole, creating a rift between some conservative Bajorans and the secular Federation representatives. ({{DS9|In the Hands of the Prophets}})
[[File:Defiant DS9.jpg|thumb|The USS ''Defiant'' departs the station]]
 
Deep Space 9's greatest fame, however, came in its role of defending the Federation and the Alpha Quadrant from [[Dominion]] invasion. Around stardate 47950, Benjamin Sisko and Quark, while on a [[camping]] trip in the Gamma Quadrant with Sisko's son, [[Jake Sisko|Jake]], and Quark's nephew, [[Nog]], were abducted by the [[Jem'Hadar]], the soldiers of the Dominion. A representative of the Dominion boarded the station and informed the crew that the Dominion would not tolerate "intrusions" into its territory &ndash; and intrusions were defined as any vessel that entered the Gamma Quadrant. After the {{class|Galaxy}} starship {{USS|Odyssey}} was destroyed in battle against the Jem'Hadar, DS9 was suddenly placed on the front line of a new interstellar conflict. ({{DS9|The Jem'Hadar}})
 
   
  +
In early [[2370]], an extremist faction known as the [[Alliance for Global Unity]], also known simply as "The Circle", began an uprising against the Bajoran provisional government. During this [[coup]], the station became a target of the insurgents as the Circle attempted to force all non-Bajoran influences to leave. All Federation and civilian personnel were ordered to evacuate the station, but Commander Sisko chose to remain behind with a group of volunteers, hoping to prevent the Circle's takeover. A division of the Bajoran Militia working under the direction of [[Minister]] [[Jaro Essa]], the leader of the Circle, boarded the station and assumed control. [[General]] {{dis|Krim|General}} and [[Colonel]] {{dis|Day|Colonel}}, commanding the force, engaged in a [[cat]]-and-[[mouse]] [[game]] with the small Starfleet contingent for two days. Evidence was eventually revealed to the [[Chamber of Ministers]] that the Cardassians were secretly arming the Circle, using the [[Kressari]] as intermediaries. With this damning revelation, the Circle's rebellion collapsed, and Krim returned control of the station to Sisko. ({{DS9|The Homecoming|The Circle|The Siege}})
Weeks later, Starfleet assigned the experimental warship {{USS|Defiant|2370}} to the station to provide an additional line of defense against the Dominion threat. In addition, Commander Sisko launched a crash program to upgrade and expand the station's own tactical systems, adding new, heavier [[shield generator]]s, more powerful [[phaser array]]s, and a large battery of [[photon torpedo]]es. These upgraded weapons actually saw their first use against [[Klingon Defense Force|Klingon warships]] in their abortive attack on DS9 in early [[2372]]. ({{DS9|The Search, Part I|The Way of the Warrior}})
 
{{bginfo|'''See also:''' [[First Battle of Deep Space 9]]}}
 
   
  +
In later years, there were occasional flare-ups where Bajoran and Federation interests clashed, but none were nearly as explosive. Over time, almost all resistance to Federation influence on DS9 and on Bajor disappeared as Starfleet continued to prove its good intentions. In addition, the increasingly prominent role of Sisko as the [[Emissary of the Prophets]], a major figure in [[Bajoran religion]], helped build acceptance for his position as station commander. ({{DS9|Life Support|Destiny|Accession|Rapture}})
In addition to the threat of invasion by the Jem'Hadar, the Dominion also posed another, more sinister threat &ndash; infiltration by [[Changeling]]s, the [[Founder]]s of the Dominion. Because these beings could assume any form and avoid detection by almost all normal [[sensor]]s, the potential damage from espionage and sabotage was enormous. DS9's crew helped pioneer several methods that tried to combat this threat, including [[phaser sweep]]s and [[blood]] [[blood screening|screenings]]. ({{DS9|The Adversary|Homefront}})
 
   
  +
==== The Maquis ====
When the Dominion finally entered the Alpha Quadrant in [[2373]], the first battle was, surprisingly, ''not'' fought at DS9 as anticipated. A large fleet of more than fifty Jem'Hadar warships bypassed the station and moved instead to annex the Cardassian Union &ndash; at the invitation of Gul Dukat. DS9 became a marshaling point for both Klingon ships, retreating from their former Cardassian conquests, and for Starfleet, as well as a squadron of [[Romulan]] [[D'deridex class|warbirds]] that joined the fleet. However, the Dominion chose not to launch an immediate attack on the station, and the fleet dispersed. ({{DS9|By Inferno's Light}})
 
  +
In [[2370]], the [[Cardassian]] [[freighter]] ''[[Bok'Nor]]'' inexplicably exploded immediately after undocking from DS9. A previously-unknown group in the Cardassian [[Demilitarized Zone]], calling themselves the [[Maquis]], claimed responsibility. The Maquis were dispossessed Federation [[citizen]]s resisting the cession of their home [[colony|colonies]] to Cardassian control, and were arming themselves with mostly Federation contraband [[weapon]]ry. A short time later, the Maquis also kidnapped Gul Dukat from the station while aboard for consultations with Commander Sisko regarding the situation in the DMZ. ({{DS9|The Maquis, Part I}})
   
  +
Although DS9 was not located in the DMZ itself, the Bajoran system's proximity to that area made the station a major target for related operations on occasion. Most notably, in [[2372]] the Maquis [[hijack]]ed a shipment of twelve Federation [[industrial replicator]]s which were being sent to Cardassia to provide relief in the wake of the [[Klingon-Cardassian War]]. [[Michael Eddington]], the senior [[Starfleet Security]] officer aboard DS9, publicly defected to the Maquis in this incident, and later went on to unify the various Maquis cells under his [[leadership]]. ({{DS9|For the Cause}})
After securing the Cardassian territories, the Dominion began sending weekly supply convoys, including dozens of fresh warships, through the wormhole. Without sufficient forces, station personnel could only watch as more and more troops and warships poured into the Alpha Quadrant. As the Dominion also began securing [[nonaggression pact]]s with several regional powers, Captain Sisko, with approval from [[Starfleet Command]], began to blockade the entrance to the wormhole with [[self-replicating mine]]s. In response, the Dominion launched a massive assault fleet to capture the station and take control of the wormhole.
 
   
  +
==== The Klingon threat ====
[[File:DS9 under attack.jpg|thumb|left|DS9 under fire from the Dominion fleet]]
 
  +
Starting in 2372, DS9 had to face a new threat in the form of the [[Klingon Empire]]. A Klingon fleet led by the [[Klingon]] [[flagship]] {{IKS|Negh'Var}} arrived at the station, with the stated intent of protecting the station against the Dominion. However, the station's crew discovered that the Klingons were actually preparing for an all-out attack against the Cardassian Union. After the start of this war, the Cardassian [[Detapa Council]] was evacuated to the station, Klingon ships [[First Battle of Deep Space 9|attacked the station]], but eventually withdrew. ({{DS9|The Way of the Warrior}})
In the ensuing battle, DS9 accounted for the destruction of over fifty Jem'Hadar and Cardassian ships. Additionally, the ''Defiant'' was successful in completing the minefield, sealing off the wormhole. However, Dukat committed additional ships to mount another assault, and facing overwhelming numbers, Sisko decided to abandon the station. ({{DS9|Call to Arms}})
 
{{bginfo|'''See also:''' [[Second Battle of Deep Space 9]]}}
 
   
  +
Throughout 2372, the Klingon presence continued to be a potential threat for the station and the surrounding area of space, including a Klingon attempt to [[mine]] the Bajoran system. ({{DS9|Sons of Mogh}})
[[File:Terok Nor Dominion.jpg|thumb|Terok Nor under Dominion control]]
 
When the station was retaken by the Cardassians and their Dominion allies, it reverted back to its original Cardassian designation, Terok Nor, and was once again commanded by Dukat. Although it was officially still owned by the Bajoran government, for all intents and purposes it was once again a Cardassian station. ({{DS9|Call to Arms}})
 
   
  +
When war between the Federation and the Klingon Empire {{dis|Federation-Klingon War|2372-73|finally erupted}} the station served as a base for Starfleet forces in the area. ({{DS9|Apocalypse Rising}}) The situation was finally resolved when the [[Khitomer Accords]] were reinstated in mid-[[2373]] and a permanent Klingon military presence, commanded by General [[Martok]], was stationed aboard DS9. ({{DS9|By Inferno's Light}})
The station soon came to be the site from which Dukat, [[Weyoun]] and other Dominion personnel directed the [[Dominion War]]. However, because the [[minefield]] operated independently from the station, Terok Nor played no other important role in the Dominion war effort aside from serving as a command and resupply outpost. A [[Terok Nor Ruling Council|Station Ruling Council]], including [[Odo]], was later formed. ({{DS9|A Time to Stand}})
 
   
  +
==== The Dominion ====
Spurred on by the [[suicide]] of [[Vedek]] [[Yassim]], [[Kira Nerys]] formed a resistance group that included herself, [[Jake Sisko]], [[Rom]], and [[Leeta]]. They were also assisted by [[Quark]] and [[Tora Ziyal]]. ({{DS9|Rocks and Shoals|Behind the Lines}})
 
  +
[[File:USS Defiant decloaks.jpg|thumb|The USS ''Defiant'' decloaks.]]
  +
Deep Space 9's greatest fame, however, came in its role of defending the Federation and the Alpha Quadrant from Dominion invasion. Around [[Stardate]] 47950, Benjamin Sisko and Quark, while on a [[camping]] trip in the Gamma Quadrant with Sisko's son, [[Jake Sisko|Jake]], and Quark's nephew, [[Nog]], were abducted by the [[Jem'Hadar]], the soldiers of the Dominion. A representative of the Dominion boarded the station and informed the crew that the Dominion would not tolerate "intrusions" into its territory &ndash; and intrusions were defined as any vessel that entered the Gamma Quadrant. After the {{class|Galaxy}} starship {{USS|Odyssey}} was destroyed in battle against the Jem'Hadar, DS9 was suddenly placed on the front line of a new interstellar conflict. ({{DS9|The Jem'Hadar}})
   
  +
Weeks later, Starfleet assigned the experimental [[warship]] {{USS|Defiant|2370}} to the station to provide an additional line of defense against the Dominion threat. In addition, Commander Sisko launched a crash program to upgrade and expand the station's own tactical systems, adding new, heavier [[shield generator]]s, more powerful [[phaser array]]s, and a large battery of [[photon torpedo]]es. These upgraded weapons actually saw their first use against [[Klingon Defense Force|Klingon warships]] in their abortive attack on DS9 in early 2372. ({{DS9|The Search, Part I|The Way of the Warrior}})
Facing an invasion on several fronts, Starfleet was unable to mount a counteroffensive to retake the station for several months. In mid-[[2374]], the allies launched [[Operation Return]], from [[Starbase 375]], aimed at recapturing the station and preserving the minefield. Under the command of Captain Sisko, the allies won a major victory despite heavy losses. At the same time, Kira and Rom attempted to sabotage the antigraviton emitter in order to preserve the minefield. They were unsuccessful, but did disable the station's weapons, leaving it defenseless. Captain Sisko took the ''Defiant'' into the [[Bajoran wormhole|wormhole]] in a desperate last stand against the overwhelming Dominion reinforcements. Sisko was contacted by the Prophets, who agreed to stop the Dominion forces. With the reinforcements gone and Federation and Klingon forces on their way, the Dominion abandoned the station. ({{DS9|Favor the Bold|Sacrifice of Angels}})
 
   
  +
In addition to the threat of invasion by the Jem'Hadar, the Dominion also posed another, more sinister threat &ndash; infiltration by [[Changeling]]s, the [[Founder]]s of the Dominion. Because these beings could assume any form and avoid detection by almost all normal [[sensor]]s, the potential damage from [[espionage]] and [[sabotage]] was enormous. DS9's crew helped pioneer several methods that tried to combat this threat, including [[phaser sweep]]s and [[blood screening]]s. ({{DS9|The Adversary|The Way of the Warrior|Homefront}})
After the return to Federation control, DS9 became the headquarters of the combined allied [[Ninth Fleet]]. ({{DS9|You Are Cordially Invited}})
 
   
  +
A rogue group of Jem'Hadar attacked the station in 2372, destroying an upper pylon in the process and stealing several materials, later discovered to be used for the restoration of an [[Iconian gateway]]. ({{DS9|To the Death}})
For the remainder of the [[war]], DS9 functioned as a major repair and resupply depot for Starfleet, Klingon, and later, Romulan forces. In addition, the major offenses that culminated in the [[First Battle of Chin'toka]] and the [[Battle of Cardassia]] were launched from DS9. ({{DS9|Tears of the Prophets|What You Leave Behind}})
 
{{bginfo|'''See also''': [[Dominion War]], {{DS9|Statistical Probabilities|In the Pale Moonlight}}}}
 
   
  +
When the Dominion finally entered the Alpha Quadrant in 2373, the first battle was, surprisingly, ''not'' fought at DS9 as anticipated. A large fleet of more than fifty Jem'Hadar warships bypassed the station and moved instead to [[annexation|annex]] the Cardassian Union &ndash; at the invitation of Gul Dukat. DS9 became a marshaling point for both Klingon ships, retreating from their former Cardassian conquests, and for Starfleet, as well as a [[squadron]] of [[Romulan]] [[D'deridex class|warbirds]] that joined the fleet. However, the Dominion chose not to launch a direct attack on the station, instead attempting to destroy the [[Bajoran sun]] and thus the station. This attempt failed, however, and the fleet dispersed. ({{DS9|By Inferno's Light}})
=== Post-war ===
 
In [[2376]], the crew of Deep Space 9 predicted that a [[pulsar]] would pass close to the [[MIDAS array]]. [[Lieutenant]] [[Reginald Barclay]] of the [[Pathfinder Project]] fired a [[tachyon]] beam at the pulsar, resulting in a [[micro-wormhole]] which allowed brief contact with the {{USS|Voyager}} in the [[Delta Quadrant]]. ({{VOY|Pathfinder}})
 
   
  +
After securing the Cardassian territories, the Dominion began sending weekly supply convoys, including dozens of fresh warships, through the wormhole. Without sufficient forces, station personnel could only watch as more and more troops and warships poured into the Alpha Quadrant. As the Dominion also began securing [[nonaggression pact]]s with several powers, Captain Sisko, with approval from [[Starfleet Command]], began to blockade the entrance to the wormhole with [[self-replicating mine]]s. In response, the Dominion launched a massive assault fleet to capture the station and take control of the wormhole.
== Station layout ==
 
[[File:DS9 MSD.png|300px|thumb|Deep Space 9's [[master systems display]]]]
 
{{bginfo|'''See also:''' [[Deep Space 9 levels]]}}
 
Deep Space 9's structure was unusual by Federation standards, classified by Starfleet as a "hybrid planar-columnar triradial structure". Its basic form consisted of a central core assembly containing most primary systems, connected by [[crossover bridge]]s to a series of two concentric rings for habitat and docking facilities, and a series of three sweeping pylons containing ore-processing and additional docking facilities. The station had at least five transporter rooms. ({{DS9|Things Past}})
 
   
  +
[[File:DS9 under attack.jpg|thumb|left|DS9 under fire from the Dominion fleet]]
In [[2369]] Kira Nerys suggested that the [[Klaestron]]s must be allies with the Cardassians because they knew about the station layout of Deep Space 9 and must have received that information from them. ({{DS9|Dax}})
 
  +
In the [[Second Battle of Deep Space 9|ensuing battle]], DS9 accounted for the destruction of over fifty Jem'Hadar and Cardassian ships. Additionally, the ''Defiant'' was successful in completing the [[minefield]], sealing off the wormhole. However, Dukat committed additional ships to mount another assault, and facing overwhelming numbers, Sisko decided to abandon the station. Defending DS9 was additionally a diversion; while the Dominion and Cardassian forces were committed to capturing it, a combined Federation and Klingon attack force destroyed the Dominion [[shipyard]]s on [[Torros III]]. ({{DS9|Call to Arms}})
   
  +
[[File:Galor docked at upper pylon 1.jpg|thumb|Terok Nor under Dominion control]]
{{bginfo|[[Rick Sternbach]] blueprinted the visual effects miniature with a conceptual diameter of approximately 3,600 feet (1,100 meters), but the visual effects department later increased it to 5,280 feet (precisely one mile or 1,609.344 meters). In ''[[Star Trek: Deep Space Nine Technical Manual]]'', Sternbach compromised at 1,451.82 meters (4,763.19 feet), although the new size matches only [[Doug Drexler]]'s images of the exterior in the book, not his cutaways which depict a smaller station.[http://drexfiles.wordpress.com/2009/05/17/garys-ds9-ship-scale-chart/#comment-9987]}}
 
  +
When the station was retaken by the Cardassians and their Dominion allies, it reverted back to its original Cardassian designation, Terok Nor, and was once again commanded by Dukat. Although it was officially still owned by the Bajoran government, for all intents and purposes, it was once again a Cardassian station. ({{DS9|Call to Arms}})
   
  +
The station soon came to be the site from which Dukat, [[Weyoun 5|Weyoun]] and other Dominion personnel directed the Dominion War. However, because the minefield operated independently from the station, Terok Nor played no other important role in the Dominion war effort aside from serving as a command and resupply outpost. A [[Ruling Council]], including Odo, was later formed. ({{DS9|A Time to Stand}})
=== Central core ===
 
[[File:Deep Space 9 ops 2369.jpg|thumb|left|Operations center]]
 
The central core was a roughly cylindrical structure consisting of several terraced platforms containing various key facilities. At the extreme [[dorsal]] end of the core was the [[operations center]] and the [[subspace communication]]s antennae, as well as the deflector shield generators. Below this assembly was the three-level Promenade, a public area for commerce and recreation. The Promenade also housed the station's [[infirmary]], the [[security office]], the [[Bajoran temple]], and [[Quark's Bar, Grill, Gaming House and Holosuite Arcade|Quark's]].
 
   
  +
Spurred on by the [[suicide]] of [[Vedek]] [[Yassim]], Kira Nerys formed a resistance group that included herself, Jake Sisko, [[Rom]], and [[Leeta]]. They were also assisted by Quark and [[Tora Ziyal]]. ({{DS9|Rocks and Shoals|Behind the Lines}})
The lower sections of the core contained [[engineering]] and support facilities, including at least one large industrial replicator, the [[computer]] core, and multiple [[deuterium]] fuel tanks. At the extreme [[ventral]] end sat the six [[fusion reactor]]s.
 
   
  +
Facing an invasion on several fronts, Starfleet was initially unable to mount a counteroffensive to retake the station for several months. In mid-[[2374]], the allies launched [[Operation Return]], from [[Starbase 375]], aimed at recapturing the station and preserving the minefield. Under the command of Captain Sisko, the allies won a major victory despite heavy losses. At the same time, Kira and Rom attempted to sabotage the [[antigraviton emitter]] in order to preserve the minefield. They were unsuccessful in stopping it in time, but they did disable the station's weapons, leaving it defenseless. Captain Sisko took the ''Defiant'' into the wormhole in a desperate last stand against the overwhelming Dominion reinforcements. Sisko was contacted by the Prophets, who agreed to stop the Dominion forces to protect their Emissary. With the reinforcements gone and Federation and Klingon forces on their way, the Dominion abandoned the station. ({{DS9|Favor the Bold|Sacrifice of Angels}})
==== Command level ====
 
[[File:Station layout, Babel.jpg|thumb|A station layout of the command level]]
 
The command level was part of the central core of Deep Space 9. It was the primary operations center for the station, and contained primary access to all major operations of the station including science, tactical, and flight control. It also contained the office of the commanding officer.
 
   
  +
After the return to Federation control, DS9 became the headquarters of the combined allied [[Ninth Fleet]]. ({{DS9|You Are Cordially Invited}})
In [[2369]], when Chief Miles O'Brien repaired the [[replicator]]s on the command level but not the malfunctioning replicators at Quark's, Quark tried to gain access to the station layout to display all repaired replicators, but this information was restricted to security clearance five and above. Quark was able to use two [[isolinear rod]]s to display the information and bypass the security code, acquiring the locations of the repaired replicators. ({{DS9|Babel}})
 
   
  +
[[File:Federation Alliance fleet departs DS9.jpg|thumb|left|The Federation Alliance fleet departs from Deep Space 9 for the final battle]]
=== Habitat ring ===
 
  +
For the remainder of the [[war]], DS9 functioned as a major repair and resupply depot for Starfleet, Klingon, and later, Romulan forces. In addition, the major offenses that culminated in the [[First Battle of Chin'toka]] and the [[Battle of Cardassia]] were launched from DS9. ({{DS9|Tears of the Prophets|What You Leave Behind}})
[[File:Deep Space 9 crew quarters.jpg|thumb|left|Habitat ring quarters]]
 
[[File:Habitat ring, level five, section three.jpg|thumb|Habitat ring, level five, section three]]
 
The habitat ring was the inner ring of the station's structure, intended primarily for the housing of most of the station's semi-permanent residents. Spaced along the ring were also six [[landing pad]]s, used by Starfleet's [[runabout]]s and other small craft. The station itself could accommodate seven thousand people; the station only housed three hundred in [[2369]]. ({{DS9|Captive Pursuit}})
 
   
  +
==== Post-war ====
Also mounted along the habitat ring were three large protrusions, upon which a large portion of the station's armaments were mounted, as well as its [[tractor beam]]s.
 
  +
In [[2376]], the crew of Deep Space 9 predicted that a [[pulsar]] would pass close to the [[Mutara Interdimensional Deep Space Array System|MIDAS array]]. Lieutenant [[Reginald Barclay]] of the [[Pathfinder Project]] fired a [[tachyon]] beam at the pulsar, resulting in a [[micro-wormhole]] which allowed brief contact with the USS ''Voyager'' in the [[Delta Quadrant]]. ({{VOY|Pathfinder}})
   
  +
At some time between [[2373]] and [[2379]], when the {{USS|Quito}} was docked at Deep Space 9, one of the ''Quito''{{'}}s crewmen, Ensign [[Niko]], was revealed to be a [[Harvongian|Harvongian shape-shifter]], and attacked another crew member, Ensign [[Angie]], who Niko had previously been dating. ({{DS9|Rapture}}; {{LD|Second Contact|Cupid's Errant Arrow}})
The habitat ring is also the place where the [[weapons locker|weapons were stored]]. They were located in [[Deep Space 9 levels#Level five|level five]], section three and restricted to [[security clearance]] seven and above. ({{DS9|Captive Pursuit}})
 
   
  +
{{bginfo|The station in this scene was confirmed to be DS9 by [[Mike McMahan]]. {{youtube|type=v|gJnYciVjRSc}}}}
The [[guest quarters]] of the visiting Federation [[ambassador]]s [[Taxco]], [[Vadosia]], and [[Lojal]] were located in corridor H-12-A in the habitat ring. The ambassadors, guided by [[Doctor]] [[Julian Bashir]], experienced a [[plasma surge]], caused by overloading the station's computer in [[2369]]. ({{DS9|The Forsaken}})
 
   
  +
[[File:USS Cerritos approaching Deep Space 9.png|thumb|Deep Space 9 in 2381.]]
While on the station in [[2375]], [[Sarina Douglas]] was assigned quarters in the habitat ring, corridor H6, section 27 Epsilon. ({{DS9|Chrysalis}})
 
  +
In [[2381]], the station was home to the first post-war trade negotiations between representatives of the Dominion and the Federation when the [[Karemma]] met with Captain [[Carol Freeman]] of the {{USS|Cerritos}}. The Federation was originally supposed to be represented by Captain [[Nguyen]] of the {{USS|Vancouver}}, but [[Vice Admiral]] [[Les Buenamigo]] replaced her with Freeman in the mistaken belief that the latter would be unable to handle the negotiations, which would have "forced" him to unveil the {{class|Texas}}. ({{LD|Hear All, Trust Nothing|The Stars At Night}})
   
  +
Later that year, [[Badgey]] briefly gained access to the station's computers in spreading across the Federation's [[subspace relay network]]. ({{LD|A Few Badgeys More}})
=== Docking ring ===
 
The docking ring was the outer ring of the station's structure, and was used primarily for moving and storing goods and for starship docking facilities. Twelve large [[docking port]]s were distributed around the perimeter, and numerous [[cargo bay]]s were connected to these facilities. In addition, a series of six thrusters were mounted on the edge of the ring. These thrusters were intended mainly for maintaining orbital position.
 
   
  +
In [[2384]], the Ferengi [[Sneed]] was [[arrest]]ed for [[arson]] and sentenced to three months imprisonment. ({{PIC|Disengage}})
Three large, sweeping [[docking pylon]]s emerged from the dorsal and ventral surfaces of the docking ring to give DS9 its characteristic spindly shape. At the extreme end of each pylon was an additional docking port (for a total of six on the pylons), which could accommodate larger starships up to those approximately the size of the ''Galaxy'' class. The majority of the pylons' internal structure was used up by ore processing facilities.
 
   
  +
==== Alternate timelines ====
The docking ports where the docking pylons intersected the main structure had the capability of launching [[probe]]s. ({{DS9|If Wishes Were Horses}})
 
  +
In a future experienced by a [[time travel]]ing Miles O'Brien, the station was destroyed by a Romulan warbird, who had fired on the station's [[reactor core]]. However, due to O'Brien traveling back in time to a point before the attack, this destruction could be avoided. ({{DS9|Visionary}})
   
  +
In an [[alternate timeline]], in which Benjamin Sisko was apparently killed in an accident aboard the {{USS|Defiant|2370}}, DS9 was transferred to Klingon control in 2373 and was still under their control around [[2422]]. ({{DS9|The Visitor}})
One of the airlocks located along the perimeter of the docking ring was airlock 17. ({{DS9|The Siege}})
 
   
  +
==Technical data==
Weapons fire directed at section 17 of the outer docking ring could cause the station to lose main power to the shields. ({{DS9|Call to Arms}})
 
  +
=== Levels ===
  +
{{see-list|Deep Space 9 levels}}
   
=== A51 ===
+
=== Armament ===
  +
As Terok Nor was originally an ore processing facility, its armament was limited. Following Federation acquisition of the station the defense systems were modestly upgraded or brought up to Starfleet specifications. Following Starfleet's first contact with the Dominion; fear of invasion secured their interest into a massive overhaul of the entire station's defenses. The DS9 crew spent the better part of a year upgrading the stations weaponry. By the [[First Battle of Deep Space 9|time the Klingons attempted to invade the station]], the station's weaponry was sufficient to hold off a Klingon battle fleet. And would later [[Second Battle of Deep Space 9|hold off the Dominion]].
[[File:Rom at the A51service hatch.jpg|thumb|Rom attempting to access the A51 hatch]]
 
A51 was a restricted area aboard Deep Space 9 that housed the station's [[deflector array]] controls and several [[Electro-plasma system|EPS conduits]]. [[Rom]] opened a service hatch labeled "A51 | Restricted Area | Authorized Personnel Only" when attempting to disable the deflector array before the [[Dominion]] could fire an [[Antigraviton|antigraviton pulse]] at the [[self-replicating mine]]field that was preventing Dominion ships from coming through the [[Bajoran wormhole|wormhole]]. ({{DS9|Behind the Lines}})
 
   
  +
The station was armed with phasers and photon torpedo launchers. After its 2372 retrofit, the station was armed with five thousand photon torpedoes. ({{DS9|The Way of the Warrior}})
{{bginfo|The name of the restricted area was likely a nod to the restricted US Air Force Flight Test Center (commonly known as "Area 51") at Groom Lake, Nevada.}}
 
   
== Support vessels ==
+
=== Support vessels ===
[[File:USS Yangtzee Kiang on launch pad.jpg|thumb|left|A {{ShipClass|Danube}} starship assigned to Deep Space 9]]
+
[[File:Runabout on launch pad.jpg|thumb|left|A ''Danube''-class starship assigned to Deep Space 9]]
Deep Space 9 had a number of support vessels on hand. From [[2369]] to [[2375]], sixteen {{ShipClass|Danube}} [[runabout]]s and two {{ShipClass|Defiant}} starships had been assigned to Deep Space 9 at some point. Several were destroyed or lost.
+
Deep Space 9 had a number of support vessels on hand. From 2369 to 2375, sixteen {{class|Danube}} runabouts and two {{class|Defiant}} starships had been assigned to Deep Space 9 at some point. Several were destroyed or lost. The station had twelve docking ports at its outer ring and six docking ports on its upper and lower pylons, plus six landing pads, thus DS9 could accommodate 24 docked ships.
   
 
During the first two years of their service, the runabouts were instrumental in the defense of the station and exploration of the Gamma Quadrant. The runabouts were even responsible, under the command of Commander Sisko and Lieutenant Dax, for the discovery of the Bajoran wormhole.
 
During the first two years of their service, the runabouts were instrumental in the defense of the station and exploration of the Gamma Quadrant. The runabouts were even responsible, under the command of Commander Sisko and Lieutenant Dax, for the discovery of the Bajoran wormhole.
   
In [[2371]], with the threat of the Dominion becoming a concern, [[Starfleet Command]] assigned the {{USS|Defiant|2370}} to Deep Space 9. A few years later, in 2375, the ''Defiant'' was destroyed in the [[Second Battle of Chin'toka]]. On [[stardate]] 52861, [[Vice Admiral]] [[William Ross]] delivered the {{USS|Sao Paulo}} to the station, albeit a little late. This caused Captain Sisko to comment that was "...no way to start a relationship." [[Starfleet Operations]] also gave Captain Sisko special dispensation to rename the ''Sao Paulo'' to ''Defiant''. ({{DS9|The Search, Part I|The Changing Face of Evil|The Dogs of War}})
+
In 2371, with the threat of the Dominion becoming a concern, Starfleet Command assigned the {{USS|Defiant|2370}} to Deep Space 9. A few years later, in 2375, the ''Defiant'' was destroyed in the [[Second Battle of Chin'toka]]. On [[Stardate]] 52861, [[Vice Admiral]] [[William Ross]] delivered the {{USS|Sao Paulo}} to the station, albeit a little late. This caused Captain Sisko to comment that was "&hellip;no way to start a relationship." [[Starfleet Operations]] also gave Captain Sisko special dispensation to rename the ''Sao Paulo'' to ''Defiant''. ({{DS9|The Search, Part I|The Changing Face of Evil|The Dogs of War}})
   
=== Active support vessels ===
 
 
[[File:USS Rio Grande.jpg|thumb|The USS ''Rio Grande'' in 2375]]
 
[[File:USS Rio Grande.jpg|thumb|The USS ''Rio Grande'' in 2375]]
  +
;Active
*{{USS|Defiant|2375}} - ''as of 2375''
 
*{{USS|Rio Grande}} - ''as of 2375''
+
*{{USS|Defiant|2375}} &ndash; ''as of 2375''
*{{USS|Rubicon}} - ''as of 2374''
+
*{{USS|Rio Grande}} &ndash; ''as of 2375''
*{{USS|Volga}} - ''as of 2373''
+
*{{USS|Rubicon}} &ndash; ''as of 2374''
*[[NCC-73918]] - ''as of 2375''
+
*{{USS|Volga}} &ndash; ''as of 2373''
  +
*[[NCC-73918]] &ndash; ''as of 2375''
*[[Unnamed Danube class starships#2374 runabout|Upper Pylon runabout]] ''as of 2374''
 
*[[Unnamed Danube class starships#Sappora VII runabout|Sappora VII runabout]] ''as of 2375''
+
*[[Danube unnamed 009|Upper Pylon runabout]] ''as of 2374''
   
=== Former support vessels ===
 
 
[[File:USS Defiant in 2375.jpg|thumb|The original USS ''Defiant'' in 2375, shortly before its destruction]]
 
[[File:USS Defiant in 2375.jpg|thumb|The original USS ''Defiant'' in 2375, shortly before its destruction]]
  +
;Former
*{{USS|Defiant|2370}} - ''destroyed in 2375''
 
*{{USS|Gander}} - ''destroyed in 2375''
+
*{{USS|Defiant|2370}} &ndash; ''destroyed in 2375''
*{{USS|Ganges}} - ''destroyed in 2370''
+
*{{USS|Gander}} &ndash; ''destroyed in 2375''
*{{USS|Mekong}} - ''presumed destroyed in 2371''
+
*{{USS|Ganges}} &ndash; ''destroyed in 2370''
*{{USS|Orinoco}} - ''destroyed in 2372''
+
*{{USS|Mekong}} &ndash; ''presumed destroyed in 2371''
*{{USS|Shenandoah}} - ''destroyed in 2374''
+
*{{USS|Orinoco}} &ndash; ''destroyed in 2372''
*{{USS|Yangtzee Kiang}} - ''crash-landed in 2369, deemed unrecoverable''
+
*{{USS|Shenandoah}} &ndash; ''destroyed in 2374''
*{{USS|Yukon}} - ''destroyed in 2373''
+
*{{USS|Yangtzee Kiang}} &ndash; ''crash-landed in 2369, deemed unrecoverable''
*[[Unnamed Danube class starships#Torga IV mission runabout|Torga IV runabout]] - ''destroyed in 2373''
+
*{{USS|Yukon}} &ndash; ''destroyed in 2373''
*[[Unnamed Danube class starships#Ajilon Prime runabout|Ajilon Prime runabout]] - ''destroyed in 2373''
+
*[[Danube unnamed 004|Torga IV runabout]] &ndash; ''destroyed in 2373''
*[[Unnamed Danube class starships#Empok Nor mission|Empok Nor runabout]] - ''destroyed in 2373''
+
*[[Danube unnamed 007|Ajilon Prime runabout]] &ndash; ''destroyed in 2373''
  +
*[[Danube unnamed 008|Empok Nor runabout]] &ndash; ''destroyed in 2373''
   
  +
==Personnel==
  +
=== Command crew ===
  +
*[[Captain]] [[Benjamin Sisko]] &ndash; [[Commanding officer]] ([[2369]] &ndash; [[2375]])
  +
*[[Colonel]] [[Kira Nerys]] &ndash; Commanding officer (2375 &ndash;)
  +
*Colonel Kira Nerys &ndash; [[First officer]] / [[Bajoran Provisional Government|Bajoran]] [[liaison officer]](2369 &ndash; 2375)
  +
*[[Lieutenant Commander]] [[Jadzia Dax]] &ndash; [[Science officer]] (2369-[[2374]])
  +
*Lieutenant Commander [[Michael Eddington]] &ndash; [[Security chief|Chief of Starfleet security]] ([[2371]]-[[2372]])
  +
*Lieutenant Commander [[Worf]] &ndash; [[Strategic operations officer]] / [[Fleet liaison officer]]/[[Intelligence officer]] (2372-2375)
  +
*[[Lieutenant]] [[Julian Bashir]] &ndash; [[Chief medical officer]] (2369-)
  +
*[[Lieutenant junior grade]] [[Ezri Dax]] &ndash; [[Counselor]] (2375-)
  +
*Lieutenant junior grade [[Nog]] &ndash; station maintenance ([[2373]]-)
  +
*[[Senior Chief Petty Officer]] [[Miles O'Brien]] &ndash; [[Chief of operations]] (2369 &ndash; 2375)
  +
*[[Constable]] [[Odo]] &ndash; [[Security chief]] (2369 &ndash; 2375)
  +
  +
=== Notable residents ===
  +
* [[Elim Garak]] ([[tailor]]) (2369-2375)
  +
* [[Jake Sisko]] (son of Benjamin Sisko) (2369-)
  +
* [[Kasidy Yates-Sisko|Kasidy Yates]] (wife of Captain Sisko) (2371-)
  +
* [[Keiko O'Brien]] (wife of Chief O'Brien, [[Exobotany|exobotanist]], and [[school]] [[teacher]]) (2369-2375)
  +
* [[Molly O'Brien]] (daughter of Chief O'Brien and Keiko O'Brien) (2369-2375)
  +
* [[Kirayoshi O'Brien]] (son of Chief O'Brien and Keiko O'Brien) (2373-2375)
  +
* [[Tora Ziyal]] (daughter of Dukat) (2372-2374)
  +
* [[Leeta]] ([[dabo girl]]) (2371-2375)
  +
* [[Morn]] (constant customer at Quark's) ([[2364]]-)
  +
* [[Quark]] (owner of the station's bar, Quark's) (c. [[2363]]-)
  +
* [[Rom]] (Quark's brother and Nog's father) (c. 2363-2375)
  +
  +
=== Representatives ===
  +
* [[General]] / [[Chancellor]] [[Martok]] ([[Klingon Empire]] representative &ndash; [[2373]]-[[2375]])
  +
* [[Sub-Commander]] [[T'Rul]] ([[Romulan Star Empire]] representative &ndash; [[2371]])
  +
* [[Senator]] [[Letant]] (Romulan Star Empire representative &ndash; [[2374]])
  +
* [[Senator]] [[Kimara Cretak]] (Romulan Star Empire representative &ndash; [[2375]])
  +
* [[General]] [[Velal]] (Romulan Star Empire representative &ndash; [[2375]])
  +
  +
===See also===
  +
* [[Deep Space 9 personnel]]
  +
* [[Terok Nor personnel]]
 
{{deep space stations}}
 
{{deep space stations}}
   
 
== Appendices ==
 
== Appendices ==
 
=== Appearances ===
 
=== Appearances ===
  +
<div class="appear">
*''[[Star Trek: Deep Space Nine]]'' (All episodes except for):
 
  +
*{{DS9}} Every episode except:
  +
**{{e|The Search, Part II}} {{small|([[simulation]] only)}}
 
**{{e|Past Tense, Part I}}
 
**{{e|Past Tense, Part I}}
 
**{{e|Past Tense, Part II}}
 
**{{e|Past Tense, Part II}}
  +
**{{e|Paradise Lost}}
 
**{{e|Children of Time}}
 
**{{e|Children of Time}}
*{{TNG|Birthright, Part I}}
+
*{{TNG}}
  +
**{{e|Birthright, Part I}}
  +
**{{e|Firstborn}} {{small|(interior only)}}
 
*{{VOY|Caretaker}}
 
*{{VOY|Caretaker}}
  +
*{{LD}}
 
  +
**{{e|Cupid's Errant Arrow}} {{small|({{dis|flashback|story device}} only)}}
=== References ===
 
  +
**{{e|Hear All, Trust Nothing}}
*{{TNG}}
 
**{{e|Firstborn}}
+
**{{e|A Few Badgeys More}}
  +
</div>
**{{e|Preemptive Strike}}
 
*{{VOY}}
 
**{{e|Parallax}}
 
**{{e|Elogium}}
 
**{{e|Non Sequitur}}
 
**{{e|Maneuvers}}
 
**{{e|Pathfinder}}
 
**{{e|Fury}}
 
*{{film|9}}
 
   
 
=== See also ===
 
=== See also ===
* [[Deep Space 9 personnel]]
 
* [[Terok Nor personnel]]
 
* [[Deep Space 9 levels]]
 
* [[Terok Nor (mirror)]]
 
* [[Empok Nor]]
 
 
* ''[[Star Trek: Deep Space Nine Technical Manual]]''
 
* ''[[Star Trek: Deep Space Nine Technical Manual]]''
 
* [[Starships visiting Deep Space 9]]
 
* [[Starships visiting Deep Space 9]]
   
 
=== Background information ===
 
=== Background information ===
  +
The station's original name, Terok Nor, was first mentioned in {{e|Cardassians}}. According to the scripts for that episode {{st-minutiae|resources/scripts/425.txt}}, {{e|The Wire}} {{st-minutiae|resources/scripts/442.txt}}, {{e|Crossover}} {{st-minutiae|resources/scripts/443.txt}}, {{e|Civil Defense}} {{st-minutiae|resources/scripts/453.txt}}, {{e|Destiny}} {{st-minutiae|resources/scripts/461.txt}}, {{e|Shattered Mirror}} {{st-minutiae|resources/scripts/425.txt}}, {{e|Call to Arms}} {{st-minutiae|resources/scripts/524.txt}}, {{e|The Emperor's New Cloak}} {{st-minutiae|resources/scripts/492.txt}}, the pronunciation for Terok Nor was "TAIR-awk nor". However, for the episode {{e|Tribunal}} {{st-minutiae|resources/scripts/445.txt}}, the pronunciation was "TEHR-uk NOR". Finally, in the script for {{e|Empok Nor}} {{st-minutiae|resources/scripts/522.txt}}, the pronunciation for Nor was "NORE".
The station's original name, Terok Nor, was first referred to in {{e|Cardassians}}.
 
   
The scripts of the six-part war arc in [[DS9 Season 6|season six]] always referred to DS9 as Terok Nor.
+
The scripts of the six-part war arc in [[DS9 Season 6|Season 6]] always referred to DS9 as Terok Nor.
   
  +
In an omitted line of dialogue from the first draft script of {{VOY|Death Wish}}, [[Q]] referred to DS9 as "that dreary space station."
==== Designing the station (exterior) ====
 
The task of designing the space station Deep Space 9 &ndash; which had to be a new, iconic and [[alien]]-looking image that could be quickly recognized when seen on a small television screen &ndash; was a long, involved process that took several different directions before evolving into the final design we now take for granted.
 
   
  +
According to ''[[Star Trek: Star Charts]]'' (p. 43) in 2369, the station moved from a geosynchronous orbit around the planet Bajor to a solar orbit around the star Bajor (B'hava'el) shortly after it was recommissioned as Deep Space 9.
Production designer [[Herman Zimmerman]] was the man assigned to come up with this fresh and unique look that would be the centerpiece of the next ''Star Trek'' show to follow ''[[Star Trek: The Next Generation|The Next Generation]]''. Zimmerman was given three months in which to design the station, a huge amount of time in comparative terms insofar as the normal amount of time to design something like this for a TV show is about two to three weeks.
 
   
  +
According to the ''[[Stellar Cartography: The Starfleet Reference Library]]'' ("The Dominion War: Strategy and Battles, 2373-75"), Deep Space 9 was captured by the Dominion on [[December|December 23]], 2373. The Federation and its allies reclaimed the station, in "Operation: Return", on {{dis|March|month|March 25}}, 2374.
According to [[Mike Okuda]], one of the first things that the producers said to him about the basic design of the station was that "''they wanted it not to look Starfleet, they wanted it to look weird''." (''Deep Space Nine: A Bold Beginning'', [[DS9 Season 1 DVD]] special features)
 
   
  +
=== Apocrypha ===
One of the earliest ideas for the station was that it was to be a {{w|Tower of Babel}}-type structure which had been built up by many different cultures over many centuries, all using different technology, and that each part of the station was to have a different layout to every other part.
 
  +
In book one of the ''[[Star Trek: Deep Space Nine - Millennium]]'' trilogy, Deep Space 9 is destroyed when a second Celestial Temple (a [[Pah-wraith]] wormhole) is opened inside Quark's, beginning a horrific chain of events that sees the near extinction of several of ''Star Trek''{{'}}s most notable races (specifically, the Klingons, Cardassians, and [[Human]]s), along with the destruction of [[Earth]], the {{USS|Enterprise|NCC-1701-E|-E}}, the Federation, and the [[universe]] itself. However, the timeline is repaired thanks to Benjamin Sisko and the crew of Deep Space 9, who manage to disrupt the formation of the second wormhole by causing a Cardassian ship from the present to collide with a Klingon ship from that alternate future while inside the red wormhole, resulting in the wormhole being disrupted while DS9 and the temporally-relocated ''Defiant'' exit from the traditional wormhole.
   
  +
In ''[[Star Trek: Legacy]]'', Deep Space 9 appeared in one mission, during a [[Borg]] invasion of the Bajoran system. In the game, Deep Space 9 was seen orbiting Bajor like it did in {{DS9|Emissary}}, possibly suggesting that the station moved back to Bajor after the Dominion War from the Bajoran wormhole.
The final design was arrived at when [[Rick Berman]] saw a gyroscope-type design by Zimmerman, and suggested "breaking" the hoops at the top and bottom.
 
   
  +
During the events of ''[[Plagues of Night]]'' the station is destroyed by a series of bombs placed around the various reactor cores. The perpetrator was initially unknown, but was eventually revealed to be an [[Andorian]] officer working with the Typhon Pact, although it is specified that the explosive force was miscalculated, and the bombs were only ever intended to be a distraction while the Pact's forces tried to use the wormhole in secret rather than actually destroy the station. Those on the station at the time of its destruction included Kira Nerys, [[Kasidy Yates-Sisko]], and [[Ro Laren]]. It was established in ''[[Raise the Dawn]]'' that the station was lost, although only around a thousand people died out of the over six thousand present on the station at the time, none of them major characters, and Starfleet Command would build a {{mb|Deep Space 9 (II)|replacement station}} with the same name based on Federation designs. The new DS9 debuts two years later in ''[[Star Trek: The Fall]]: [[Revelation and Dust]]''.
<gallery>
 
File:Early station concept 1.jpg|Early station concept 1
 
File:Early station concept 2.jpg|Early station concept 2
 
File:Deep Space Nine concept.jpg|Early station concept 3
 
File:DS9 Final design.jpg|Final station concept art
 
</gallery>
 
   
  +
In ''[[Star Trek Online]]'', Deep Space 9 appears as a main hub for players to interact at by the Bajoran Sector. It is one of two social hubs in the game where the two opposite factions, the Klingons and the Federation, can interact without combat. Deep Space 9 also serves as a hub for endgame play for the game. The station is now commanded by Captain James Kurland, with Commander Karen Andrews as first officer and the Klingon representative and Omega Force leader being Admiral D'Vak, son of Alexander Rozhenko.
[[File:Deep Space 9 model.jpg|thumb|The original model of DS9]]
 
The physical [[studio model|model]] of Deep Space 9 was designed by Herman Zimmerman and [[Rick Sternbach]]. Contributing artists included [[Ricardo Delgado]], [[Joseph Hodges]], [[Nathan Crowley]], [[Jim Martin]], [[Rob Legato]], [[Gary Hutzel]], Mike Okuda, and executive producer [[Rick Berman]]. The original six-foot diameter model was built by [[Tony Meininger]].
 
   
  +
[[File:Terok Nor (alternate reality).jpg|thumb|Terok Nor of the alternate reality]]
The model of Deep Space 9 (Lot #493) was sold at the [[40 Years of Star Trek: The Collection]] auction on October 6, 2006 for US$132,000, including the buyer's premium (the winning bid was US$110,000).
 
  +
The [[alternate reality]] version of Terok Nor appears in the ''[[Star Trek: Ongoing]]'' story arc ''[[Star Trek, Volume 9: The Q Gambit|The Q Gambit]]''.
 
The station was the very last model in the series to be replaced with an [[CGI|CGI model]], which occurred in the very last pullback scene in {{e|What You Leave Behind}}; up until then, all footage shown of the station was of the physical [[studio model]]. The CG model was built at Station X Studios by [[Aristomenis Tsirbas|Meni Tsirbas]]. [[David Stipes]] recalled, "''Meni had created a Deep Space Nine station several years ago, and we talked at different times, but this was the chance to get involved. This was their one and only shot, but it's the final pay-off shot, and it's really beautiful. He's such a brilliant artist. It's all being done on LightWave, and it's great. The live action footage of Kira and Jake was "projected" by the LightWave software onto a polygon surface that was placed in the window of the CG DS9 station. We pull out of the DS9 window, until the station turns into a star. It's quite spectacular, because it's about 50 seconds long. That's the end of the show.''" (''[[Cinefantastique]]'',Vol.32, No.4/5, page 91)
 
 
The ''[[Star Trek: Deep Space Nine Technical Manual]]'' asserts that Deep Space 9 was equipped with Type-IX, -X, and -XI phasers. The Type-XIs were said to have been installed into retractable platforms stowed in the habitat ring. They make their first appearance in {{e|The Way of the Warrior}}. The job of designing this new weaponry fell to the recently hired illustrator [[John Eaves]]. Herman Zimmerman gave Eaves detailed schematics of the station, and told him to find surface points where there were no moving parts, windows or existing weaponry, and to design never-before-seen, but plausible, [[phaser cannon]]s and [[torpedo launcher]]s to be positioned in such places.
 
 
<gallery>
 
File:DS9 weaponry 1.jpg|Weaponry concept art 1
 
File:DS9 weaponry 2.jpg|Weaponry concept art 2
 
File:DS9 weaponry 3.jpg|Weaponry concept art 3
 
File:DS9 weaponry 4.jpg|Weaponry concept art 4
 
</gallery>
 
 
==== Designing the station (interior) ====
 
[[File:Promenade Concept Art showing Monorail.jpg|thumb|An early design sketch of the Promenade, featuring a monorail]]
 
[[File:Early Ops concept art 1.jpg|thumb|left|Early ops concept art]]
 
As Herman Zimmerman explains, "''Having determined what the outside of the station was going to look like, then we had an enormous job making the interior sets to match what the exterior looked like, so that believably, we were inside this alien, bizarre, highly technical and not necessarily understood by our Starfleet personnel, space station''." (''Deep Space Nine: A Bold Beginning'', [[DS9 Season 1 DVD]] special features).
 
 
Zimmerman designed a list of ground rules about the look of the interiors: Cardassians like geometric symmetry, they prefer circles to squares or ovals, they like things in groups of three, and they favor dark colors (especially khakis and dark green).
 
{{clear}}
 
 
=== Apocrypha ===
 
In book one of the ''[[Star Trek: Deep Space Nine - Millennium|Millennium]]'' trilogy, Deep Space 9 is destroyed when a second [[Celestial Temple]] (a [[Pah-wraith]] [[wormhole]]) is opened inside Quark's, beginning a horrific chain of events that sees the near extinction of several of ''Star Trek''{{'}}s most notable races (specifically, the [[Klingon]]s, [[Cardassian]]s, and [[Human]]s), along with the destruction of [[Earth]], the {{USS|Enterprise|NCC-1701-E|-E}}, the [[Federation]], and the [[universe]] itself. However, the timeline is repaired thanks to [[Benjamin Sisko]] and the crew of Deep Space 9, who manage to disrupt the formation of the second wormhole by causing a Cardassian ship from the present to collide with a Klingon ship from that alternate future, resulting in the wormhole being disrupted while DS9 and the temporally-relocated ''Defiant'' exit from the traditional wormhole.
 
 
In ''[[Star Trek: Legacy]]'', Deep Space 9 appeared in one mission, during a [[Borg]] invasion of the Bajor system. In the game, Deep Space 9 was seen orbiting [[Bajor]] like it did in ({{DS9|Emissary}}), possibly suggesting that the station moved back to Bajor after the [[Dominion War]] from the [[Bajoran wormhole]].
 
   
 
=== External links ===
 
=== External links ===
* {{startrek.com|deep-space-nine}}
+
* {{startrek.com|database_article/deep-space-nine||external}}
* {{NCwiki}}
+
* {{mbeta|Deep Space 9}}
* {{NCwiki|Terok Nor}}
+
* {{mbeta|Deep Space 9 (II)}}
  +
* {{mbeta|Terok Nor}}
* {{wikipedia|Deep Space Nine (space station)}}
 
  +
* {{wikipedia|Deep Space Nine (space station)|Deep Space 9}}
* [http://www.lcarscom.net/fsd/art/ds9.html Creating Deep Space Nine] at the [http://www.lcarscom.net LCARScom.net]
 
* {{brokenlink|http://www.startrek.com/startrek/view/features/bst/article/91.html|text=Designing Deep Space Nine with Herman Zimmerman}} at [[StarTrek.com]], the official ''Star Trek'' website
 
* {{Forgottentrek|designing-the-deep-space-nine-space-station|Designing the Deep Space Nine Space Station}} - features concept arts for the station and its interiors.
 
 
{{featured|date=June 2004|id=196849}}
 
   
  +
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[[cs:Deep Space 9]]
 
[[cs:Deep Space 9]]
 
[[de:Deep Space 9]]
 
[[de:Deep Space 9]]
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[[pl:Deep Space 9]]
 
[[pl:Deep Space 9]]
 
[[pt:Deep Space 9]]
 
[[pt:Deep Space 9]]
  +
[[ro:Deep Space Nine]]
 
[[ru:Станция Дип Спейс 9]]
 
[[ru:Станция Дип Спейс 9]]
  +
[[sr:Дубоки свемир 9]]
 
[[sv:Deep Space 9]]
 
[[sv:Deep Space 9]]
  +
{{DEFAULTSORT|Deep Space 09}}
 
[[Category:Starbases]]
 
[[Category:Starbases]]
 
[[Category:Space stations]]
 
[[Category:Space stations]]

Latest revision as of 17:33, 15 October 2023

Multiple realities
(covers information from several alternate timelines)
MA LD delta Warning!
This page contains information regarding Star Trek: Lower Decks, and thus may contain spoilers.

For the series, please see Star Trek: Deep Space Nine.
Terok Nor redirects here; for the mirror universe counterpart, please see Terok Nor (mirror).
For the novel series, please see Star Trek: Terok Nor.
"Think of it. Five years ago, no one had ever heard of Bajor or Deep Space 9 and now, all our hopes rest here."
– Gowron to Benjamin Sisko, 2373 ("By Inferno's Light")
"Tacky Cardassian fascist eyesore."

Deep Space 9, unofficially known as DS9, and originally known as Terok Nor, was one of the most historically, politically, and strategically important space stations in the Alpha Quadrant during the latter half of the 24th century. The space station was constructed by Bajoran slave labor overseen by the Cardassians in orbit of Bajor during their occupation of the planet. Under Federation administration following the Cardassian withdrawal, the station was relocated into the Bajoran system's Denorios belt. There, DS9 became a vital commercial port and defensive outpost due to its location near the mouth of the Bajoran wormhole. It later became a key strategic location during the Dominion War for both the Dominion and the Federation Alliance.

History

Terok Nor

Terok Nor orbiting Bajor

Terok Nor orbiting Bajor prior to 2369

Terok Nor was the station's original Cardassian designation. (DS9: "Cardassians", "A Time to Stand", "Wrongs Darker Than Death or Night") Constructed between 2346 and 2351, its original purpose was to serve as a refinery for uridium ore that was mined from Bajor's surface, a process carried out in temperatures as high as 55 °Celsius. (DS9: "Babel", "Wrongs Darker Than Death or Night", "Civil Defense") Therefore, Terok Nor had extensive ore refining and transport facilities that occupied the large docking pylon structures and was built to accommodate up to seven thousand humanoid-sized people as well as process up to twenty thousand tons of ore a day. (DS9: "Sanctuary", "Civil Defense", "Things Past")

A briefing on the construction history of Deep Space 9 in Star Trek: The Magazine Volume 1, Issue 15, pp. 31-31, suggests it was built over the course of 2.7 years starting in 2351, from the core out, primarily of materials found in the Bajoran system along with some metals mined from the asteroids in the Cardassian system.

The station also served as a command post from which the Cardassian Prefect of Bajor, most notably Gul Dukat, oversaw the military aspects of the Occupation. In one of his recorded messages for the counter-insurgency program installed on the station, Dukat described Terok Nor as being "a paradise" compared to Bajor. (DS9: "Civil Defense") Like the planet it orbited, the station operated on a twenty-six hour day. (DS9: "A Man Alone", "Ties of Blood and Water")

In 2365, Dukat took the unusual step of appointing a non-Cardassian as the chief of security aboard Terok Nor. Odo, a shapeshifter discovered on a derelict ship near Bajor some years before, had ties to both the Cardassians and the Bajorans on the station. (DS9: "Necessary Evil", "Tribunal")

In 2369, the Cardassians decided to withdraw from Bajor after fifty years of occupation. Unable to move the station across interstellar distances, they left the outpost in its high orbit. Before departing, however, Cardassian soldiers rampaged across the station, removing or destroying a large portion of the station's equipment and killing several shop owners. (DS9: "Emissary")

It is not known for certain why the Cardassians chose to abandon the station rather than destroy it to prevent its use by the Bajorans. The Cardassians likely planned to re-occupy Bajor at some point in the future, as evidenced by their prominent role early on in DS9's second season.
In the non-canon Millennium book series, however, it is revealed that the self-destruct system was actually shut down by Garak, who had recently returned from a brief trip six years into the future where he had been given a memory node containing Dukat's command codes, which he used to shut the self-destruct down before erasing his memory of that future.

Deep Space 9

The Federation

Galaxy class docked at DS9

The USS Enterprise-D at Deep Space 9 in 2369

USS Voyager docked at DS9

The USS Voyager docked at Deep Space 9 in 2371

USS Voyager departing Deep Space 9

Voyager departing Deep Space 9 in 2371

Following the Cardassian withdrawal, the Bajoran Provisional Government petitioned for Federation membership, and also for Starfleet assistance in repairing and maintaining Terok Nor. A complex arrangement was established in which a Starfleet officer would have overall authority in running the station, while the station remained sovereign Bajoran territory. A representative of the Bajoran Militia would serve as the station's first officer and as liaison to the Bajoran government. The station was renamed "Deep Space 9", and Benjamin Sisko was appointed as commander, at Admiral Leyton's recommendation. (DS9: "Emissary", "Homefront")

As station commander, one of the most important facets of the station Sisko sought to develop was commerce. The Cardassians had allowed a small number of businesses and entertainment facilities to operate in the central, multi-level market area called the Promenade. Because almost all of the shops were owned by non-Bajorans, Sisko hoped to convince many of them to stay to help build a trade network through Bajoran space. In particular, Sisko convinced Quark, owner of Quark's Bar, Grill, Gaming House and Holosuite Arcade, the largest establishment on the Promenade, to maintain his business on-station as an example for others, as well as to become a community leader and eventually chairman of the Promenade Merchants' Association. (DS9: "Emissary", "Call to Arms")

The station quickly became an important facility for Starfleet. Over time, several starships docked at the station for various reasons. The USS Enterprise-D was the first Starfleet ship to dock at the station in 2369, when it transported the majority of the station's Starfleet crew to take up their posts. The Enterprise also offloaded three runabouts and after that, departed for the Lapolis system. (DS9: "Emissary") The Enterprise returned to DS9 several weeks later to help repair the Bajoran aqueduct systems that had been damaged during the Occupation. (TNG: "Birthright, Part I") The USS Voyager docked at Deep Space 9 in 2371 on its way to the Badlands to search for the Maquis ship Val Jean. It was the last Alpha Quadrant locale the crew of Voyager visited before being transported to the Delta Quadrant by the Caretaker. (VOY: "Caretaker") Five years later, the station helped Starfleet Command to contact Voyager in the Delta Quadrant by providing interstellar phenomena forecasts. (VOY: "Pathfinder")

The station's location was labeled in a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters in 2399 and on the bridge of the USS Titan-A in 2401. Deep Space 9 was in or near to Federation space. (PIC: "Maps and Legends", "The Next Generation", "Disengage")

Later that year, Deep Space 9's position was labeled on a star chart used by Captain William T. Riker during his attempt at finding the last known location of the SS Eleos XII. (PIC: "The Next Generation")

Discovering the wormhole

Bajoran wormhole

The Bajoran wormhole

Only days after the Federation took control of the station, a momentous discovery changed DS9's purpose forever. With encouragement from Kai Opaka, Sisko and his science officer, Lieutenant Jadzia Dax, searched for the mythical Celestial Temple of the Prophets, hoping to find a cause or idea to help unify the Bajoran people. While aboard the runabout USS Rio Grande, Sisko and Dax found the only known stable wormhole in the Milky Way Galaxy, which crossed over seventy thousand light years from Bajor in the Alpha Quadrant to a point near the Idran system in the Gamma Quadrant. (DS9: "Emissary")

The presence of a stable wormhole inside the Bajoran system had an enormous impact on commerce throughout the region, making the system one of the most important locations in the entire Alpha Quadrant – a fact recognized by the Bajorans, the Federation, and the Cardassians. Major Kira Nerys, DS9's first officer, ordered the station moved to the mouth of the wormhole in order to cement Bajor's claim. Despite the massive forces and pressures involved in moving the station with only six working thrusters, Chief of Station Operations Miles O'Brien devised a risky method by which the deflector shields were altered to lower the station's inertial mass to a level sufficient for movement at the speeds necessary to reach the wormhole. The station was positioned close to the mouth of the wormhole, approximately a thousand kilometers from its event horizon. (DS9: "Emissary")

However, the Cardassians had not completely abandoned the system, maintaining surveillance of activities in the region; they quickly found out about the wormhole's discovery and attempted to claim the wormhole for themselves. Gul Dukat ordered his warship through the wormhole and was trapped on the far side when the beings controlling the wormhole collapsed its entrance. A short time later, three additional Galor-class warships, under the command of Gul Jasad of the Seventh Order, approached the station. Following a brief armed standoff, the wormhole reappeared, and the ships returned, with the Rio Grande towing Dukat's warship. With a firm Bajoran-Federation claim established on the wormhole, the Cardassians withdrew. (DS9: "Emissary")

The impact the wormhole had on the station was enormous. Rather than a minor orbital servicing station and transfer point, DS9 had the potential to become one of the top commerce stations in the entire quadrant, and one of Starfleet's most important outposts. Quark even once referred to the station as "Wormhole Junction". (DS9: "Playing God")

Eager to explore the vast new territories of the Gamma Quadrant, dozens of races established trading relations with Bajor and began sending starships through the wormhole. At the same time, DS9 became the first point of contact in the Alpha Quadrant for any native species traveling from the Gamma Quadrant. Within the first two years, ships operating from or passing through DS9 made contact with at least twelve different cultures, including the Dosi, the Karemma, the Skrreeans, the Hunters, the Tosk, the Rakhari, the Wadi, and the Paradans. (DS9: "Rules of Acquisition", "The Search, Part I", "Sanctuary", "Captive Pursuit", "Vortex", "Move Along Home", "Whispers")

Bajoran affairs

Deep Space 9 was also a unique place for the constant contact and cooperation between people from Bajor and the Federation, and therefore also became a point of tension at times. In late 2369, DS9 became the center of a controversy between Bajoran religious fundamentalists, instigated by then-Vedek Winn Adami, and pro-Federation factions. The incident brought attention to the fierce contest to elect a new Kai following the disappearance and apparent death of Kai Opaka earlier that year. (DS9: "Battle Lines") Winn protested the ideas taught in DS9's school by volunteer teacher Keiko O'Brien about the wormhole, creating a rift between some conservative Bajorans and the secular Federation representatives. (DS9: "In the Hands of the Prophets")

In early 2370, an extremist faction known as the Alliance for Global Unity, also known simply as "The Circle", began an uprising against the Bajoran provisional government. During this coup, the station became a target of the insurgents as the Circle attempted to force all non-Bajoran influences to leave. All Federation and civilian personnel were ordered to evacuate the station, but Commander Sisko chose to remain behind with a group of volunteers, hoping to prevent the Circle's takeover. A division of the Bajoran Militia working under the direction of Minister Jaro Essa, the leader of the Circle, boarded the station and assumed control. General Krim and Colonel Day, commanding the force, engaged in a cat-and-mouse game with the small Starfleet contingent for two days. Evidence was eventually revealed to the Chamber of Ministers that the Cardassians were secretly arming the Circle, using the Kressari as intermediaries. With this damning revelation, the Circle's rebellion collapsed, and Krim returned control of the station to Sisko. (DS9: "The Homecoming", "The Circle", "The Siege")

In later years, there were occasional flare-ups where Bajoran and Federation interests clashed, but none were nearly as explosive. Over time, almost all resistance to Federation influence on DS9 and on Bajor disappeared as Starfleet continued to prove its good intentions. In addition, the increasingly prominent role of Sisko as the Emissary of the Prophets, a major figure in Bajoran religion, helped build acceptance for his position as station commander. (DS9: "Life Support", "Destiny", "Accession", "Rapture")

The Maquis

In 2370, the Cardassian freighter Bok'Nor inexplicably exploded immediately after undocking from DS9. A previously-unknown group in the Cardassian Demilitarized Zone, calling themselves the Maquis, claimed responsibility. The Maquis were dispossessed Federation citizens resisting the cession of their home colonies to Cardassian control, and were arming themselves with mostly Federation contraband weaponry. A short time later, the Maquis also kidnapped Gul Dukat from the station while aboard for consultations with Commander Sisko regarding the situation in the DMZ. (DS9: "The Maquis, Part I")

Although DS9 was not located in the DMZ itself, the Bajoran system's proximity to that area made the station a major target for related operations on occasion. Most notably, in 2372 the Maquis hijacked a shipment of twelve Federation industrial replicators which were being sent to Cardassia to provide relief in the wake of the Klingon-Cardassian War. Michael Eddington, the senior Starfleet Security officer aboard DS9, publicly defected to the Maquis in this incident, and later went on to unify the various Maquis cells under his leadership. (DS9: "For the Cause")

The Klingon threat

Starting in 2372, DS9 had to face a new threat in the form of the Klingon Empire. A Klingon fleet led by the Klingon flagship IKS Negh'Var arrived at the station, with the stated intent of protecting the station against the Dominion. However, the station's crew discovered that the Klingons were actually preparing for an all-out attack against the Cardassian Union. After the start of this war, the Cardassian Detapa Council was evacuated to the station, Klingon ships attacked the station, but eventually withdrew. (DS9: "The Way of the Warrior")

Throughout 2372, the Klingon presence continued to be a potential threat for the station and the surrounding area of space, including a Klingon attempt to mine the Bajoran system. (DS9: "Sons of Mogh")

When war between the Federation and the Klingon Empire finally erupted the station served as a base for Starfleet forces in the area. (DS9: "Apocalypse Rising") The situation was finally resolved when the Khitomer Accords were reinstated in mid-2373 and a permanent Klingon military presence, commanded by General Martok, was stationed aboard DS9. (DS9: "By Inferno's Light")

The Dominion

USS Defiant decloaks

The USS Defiant decloaks.

Deep Space 9's greatest fame, however, came in its role of defending the Federation and the Alpha Quadrant from Dominion invasion. Around Stardate 47950, Benjamin Sisko and Quark, while on a camping trip in the Gamma Quadrant with Sisko's son, Jake, and Quark's nephew, Nog, were abducted by the Jem'Hadar, the soldiers of the Dominion. A representative of the Dominion boarded the station and informed the crew that the Dominion would not tolerate "intrusions" into its territory – and intrusions were defined as any vessel that entered the Gamma Quadrant. After the Galaxy-class starship USS Odyssey was destroyed in battle against the Jem'Hadar, DS9 was suddenly placed on the front line of a new interstellar conflict. (DS9: "The Jem'Hadar")

Weeks later, Starfleet assigned the experimental warship USS Defiant to the station to provide an additional line of defense against the Dominion threat. In addition, Commander Sisko launched a crash program to upgrade and expand the station's own tactical systems, adding new, heavier shield generators, more powerful phaser arrays, and a large battery of photon torpedoes. These upgraded weapons actually saw their first use against Klingon warships in their abortive attack on DS9 in early 2372. (DS9: "The Search, Part I", "The Way of the Warrior")

In addition to the threat of invasion by the Jem'Hadar, the Dominion also posed another, more sinister threat – infiltration by Changelings, the Founders of the Dominion. Because these beings could assume any form and avoid detection by almost all normal sensors, the potential damage from espionage and sabotage was enormous. DS9's crew helped pioneer several methods that tried to combat this threat, including phaser sweeps and blood screenings. (DS9: "The Adversary", "The Way of the Warrior", "Homefront")

A rogue group of Jem'Hadar attacked the station in 2372, destroying an upper pylon in the process and stealing several materials, later discovered to be used for the restoration of an Iconian gateway. (DS9: "To the Death")

When the Dominion finally entered the Alpha Quadrant in 2373, the first battle was, surprisingly, not fought at DS9 as anticipated. A large fleet of more than fifty Jem'Hadar warships bypassed the station and moved instead to annex the Cardassian Union – at the invitation of Gul Dukat. DS9 became a marshaling point for both Klingon ships, retreating from their former Cardassian conquests, and for Starfleet, as well as a squadron of Romulan warbirds that joined the fleet. However, the Dominion chose not to launch a direct attack on the station, instead attempting to destroy the Bajoran sun and thus the station. This attempt failed, however, and the fleet dispersed. (DS9: "By Inferno's Light")

After securing the Cardassian territories, the Dominion began sending weekly supply convoys, including dozens of fresh warships, through the wormhole. Without sufficient forces, station personnel could only watch as more and more troops and warships poured into the Alpha Quadrant. As the Dominion also began securing nonaggression pacts with several powers, Captain Sisko, with approval from Starfleet Command, began to blockade the entrance to the wormhole with self-replicating mines. In response, the Dominion launched a massive assault fleet to capture the station and take control of the wormhole.

DS9 under attack

DS9 under fire from the Dominion fleet

In the ensuing battle, DS9 accounted for the destruction of over fifty Jem'Hadar and Cardassian ships. Additionally, the Defiant was successful in completing the minefield, sealing off the wormhole. However, Dukat committed additional ships to mount another assault, and facing overwhelming numbers, Sisko decided to abandon the station. Defending DS9 was additionally a diversion; while the Dominion and Cardassian forces were committed to capturing it, a combined Federation and Klingon attack force destroyed the Dominion shipyards on Torros III. (DS9: "Call to Arms")

Galor docked at upper pylon 1

Terok Nor under Dominion control

When the station was retaken by the Cardassians and their Dominion allies, it reverted back to its original Cardassian designation, Terok Nor, and was once again commanded by Dukat. Although it was officially still owned by the Bajoran government, for all intents and purposes, it was once again a Cardassian station. (DS9: "Call to Arms")

The station soon came to be the site from which Dukat, Weyoun and other Dominion personnel directed the Dominion War. However, because the minefield operated independently from the station, Terok Nor played no other important role in the Dominion war effort aside from serving as a command and resupply outpost. A Ruling Council, including Odo, was later formed. (DS9: "A Time to Stand")

Spurred on by the suicide of Vedek Yassim, Kira Nerys formed a resistance group that included herself, Jake Sisko, Rom, and Leeta. They were also assisted by Quark and Tora Ziyal. (DS9: "Rocks and Shoals", "Behind the Lines")

Facing an invasion on several fronts, Starfleet was initially unable to mount a counteroffensive to retake the station for several months. In mid-2374, the allies launched Operation Return, from Starbase 375, aimed at recapturing the station and preserving the minefield. Under the command of Captain Sisko, the allies won a major victory despite heavy losses. At the same time, Kira and Rom attempted to sabotage the antigraviton emitter in order to preserve the minefield. They were unsuccessful in stopping it in time, but they did disable the station's weapons, leaving it defenseless. Captain Sisko took the Defiant into the wormhole in a desperate last stand against the overwhelming Dominion reinforcements. Sisko was contacted by the Prophets, who agreed to stop the Dominion forces to protect their Emissary. With the reinforcements gone and Federation and Klingon forces on their way, the Dominion abandoned the station. (DS9: "Favor the Bold", "Sacrifice of Angels")

After the return to Federation control, DS9 became the headquarters of the combined allied Ninth Fleet. (DS9: "You Are Cordially Invited")

Federation Alliance fleet departs DS9

The Federation Alliance fleet departs from Deep Space 9 for the final battle

For the remainder of the war, DS9 functioned as a major repair and resupply depot for Starfleet, Klingon, and later, Romulan forces. In addition, the major offenses that culminated in the First Battle of Chin'toka and the Battle of Cardassia were launched from DS9. (DS9: "Tears of the Prophets", "What You Leave Behind")

Post-war

In 2376, the crew of Deep Space 9 predicted that a pulsar would pass close to the MIDAS array. Lieutenant Reginald Barclay of the Pathfinder Project fired a tachyon beam at the pulsar, resulting in a micro-wormhole which allowed brief contact with the USS Voyager in the Delta Quadrant. (VOY: "Pathfinder")

At some time between 2373 and 2379, when the USS Quito was docked at Deep Space 9, one of the Quito's crewmen, Ensign Niko, was revealed to be a Harvongian shape-shifter, and attacked another crew member, Ensign Angie, who Niko had previously been dating. (DS9: "Rapture"; LD: "Second Contact", "Cupid's Errant Arrow")

The station in this scene was confirmed to be DS9 by Mike McMahan. [1]
USS Cerritos approaching Deep Space 9

Deep Space 9 in 2381.

In 2381, the station was home to the first post-war trade negotiations between representatives of the Dominion and the Federation when the Karemma met with Captain Carol Freeman of the USS Cerritos. The Federation was originally supposed to be represented by Captain Nguyen of the USS Vancouver, but Vice Admiral Les Buenamigo replaced her with Freeman in the mistaken belief that the latter would be unable to handle the negotiations, which would have "forced" him to unveil the Texas-class. (LD: "Hear All, Trust Nothing", "The Stars At Night")

Later that year, Badgey briefly gained access to the station's computers in spreading across the Federation's subspace relay network. (LD: "A Few Badgeys More")

In 2384, the Ferengi Sneed was arrested for arson and sentenced to three months imprisonment. (PIC: "Disengage")

Alternate timelines

In a future experienced by a time traveling Miles O'Brien, the station was destroyed by a Romulan warbird, who had fired on the station's reactor core. However, due to O'Brien traveling back in time to a point before the attack, this destruction could be avoided. (DS9: "Visionary")

In an alternate timeline, in which Benjamin Sisko was apparently killed in an accident aboard the USS Defiant, DS9 was transferred to Klingon control in 2373 and was still under their control around 2422. (DS9: "The Visitor")

Technical data

Levels

Armament

As Terok Nor was originally an ore processing facility, its armament was limited. Following Federation acquisition of the station the defense systems were modestly upgraded or brought up to Starfleet specifications. Following Starfleet's first contact with the Dominion; fear of invasion secured their interest into a massive overhaul of the entire station's defenses. The DS9 crew spent the better part of a year upgrading the stations weaponry. By the time the Klingons attempted to invade the station, the station's weaponry was sufficient to hold off a Klingon battle fleet. And would later hold off the Dominion.

The station was armed with phasers and photon torpedo launchers. After its 2372 retrofit, the station was armed with five thousand photon torpedoes. (DS9: "The Way of the Warrior")

Support vessels

Runabout on launch pad

A Danube-class starship assigned to Deep Space 9

Deep Space 9 had a number of support vessels on hand. From 2369 to 2375, sixteen Danube-class runabouts and two Defiant-class starships had been assigned to Deep Space 9 at some point. Several were destroyed or lost. The station had twelve docking ports at its outer ring and six docking ports on its upper and lower pylons, plus six landing pads, thus DS9 could accommodate 24 docked ships.

During the first two years of their service, the runabouts were instrumental in the defense of the station and exploration of the Gamma Quadrant. The runabouts were even responsible, under the command of Commander Sisko and Lieutenant Dax, for the discovery of the Bajoran wormhole.

In 2371, with the threat of the Dominion becoming a concern, Starfleet Command assigned the USS Defiant to Deep Space 9. A few years later, in 2375, the Defiant was destroyed in the Second Battle of Chin'toka. On Stardate 52861, Vice Admiral William Ross delivered the USS Sao Paulo to the station, albeit a little late. This caused Captain Sisko to comment that was "…no way to start a relationship." Starfleet Operations also gave Captain Sisko special dispensation to rename the Sao Paulo to Defiant. (DS9: "The Search, Part I", "The Changing Face of Evil", "The Dogs of War")

USS Rio Grande

The USS Rio Grande in 2375

Active
USS Defiant in 2375

The original USS Defiant in 2375, shortly before its destruction

Former

Personnel

Command crew

Notable residents

Representatives

See also

Appendices

Appearances

See also

Background information

The station's original name, Terok Nor, was first mentioned in "Cardassians". According to the scripts for that episode [2], "The Wire" [3], "Crossover" [4], "Civil Defense" [5], "Destiny" [6], "Shattered Mirror" [7], "Call to Arms" [8], "The Emperor's New Cloak" [9], the pronunciation for Terok Nor was "TAIR-awk nor". However, for the episode "Tribunal" [10], the pronunciation was "TEHR-uk NOR". Finally, in the script for "Empok Nor" [11], the pronunciation for Nor was "NORE".

The scripts of the six-part war arc in Season 6 always referred to DS9 as Terok Nor.

In an omitted line of dialogue from the first draft script of VOY: "Death Wish", Q referred to DS9 as "that dreary space station."

According to Star Trek: Star Charts (p. 43) in 2369, the station moved from a geosynchronous orbit around the planet Bajor to a solar orbit around the star Bajor (B'hava'el) shortly after it was recommissioned as Deep Space 9.

According to the Stellar Cartography: The Starfleet Reference Library ("The Dominion War: Strategy and Battles, 2373-75"), Deep Space 9 was captured by the Dominion on December 23, 2373. The Federation and its allies reclaimed the station, in "Operation: Return", on March 25, 2374.

Apocrypha

In book one of the Star Trek: Deep Space Nine - Millennium trilogy, Deep Space 9 is destroyed when a second Celestial Temple (a Pah-wraith wormhole) is opened inside Quark's, beginning a horrific chain of events that sees the near extinction of several of Star Trek's most notable races (specifically, the Klingons, Cardassians, and Humans), along with the destruction of Earth, the USS Enterprise-E, the Federation, and the universe itself. However, the timeline is repaired thanks to Benjamin Sisko and the crew of Deep Space 9, who manage to disrupt the formation of the second wormhole by causing a Cardassian ship from the present to collide with a Klingon ship from that alternate future while inside the red wormhole, resulting in the wormhole being disrupted while DS9 and the temporally-relocated Defiant exit from the traditional wormhole.

In Star Trek: Legacy, Deep Space 9 appeared in one mission, during a Borg invasion of the Bajoran system. In the game, Deep Space 9 was seen orbiting Bajor like it did in DS9: "Emissary", possibly suggesting that the station moved back to Bajor after the Dominion War from the Bajoran wormhole.

During the events of Plagues of Night the station is destroyed by a series of bombs placed around the various reactor cores. The perpetrator was initially unknown, but was eventually revealed to be an Andorian officer working with the Typhon Pact, although it is specified that the explosive force was miscalculated, and the bombs were only ever intended to be a distraction while the Pact's forces tried to use the wormhole in secret rather than actually destroy the station. Those on the station at the time of its destruction included Kira Nerys, Kasidy Yates-Sisko, and Ro Laren. It was established in Raise the Dawn that the station was lost, although only around a thousand people died out of the over six thousand present on the station at the time, none of them major characters, and Starfleet Command would build a replacement station (β) with the same name based on Federation designs. The new DS9 debuts two years later in Star Trek: The Fall: Revelation and Dust.

In Star Trek Online, Deep Space 9 appears as a main hub for players to interact at by the Bajoran Sector. It is one of two social hubs in the game where the two opposite factions, the Klingons and the Federation, can interact without combat. Deep Space 9 also serves as a hub for endgame play for the game. The station is now commanded by Captain James Kurland, with Commander Karen Andrews as first officer and the Klingon representative and Omega Force leader being Admiral D'Vak, son of Alexander Rozhenko.

Terok Nor (alternate reality)

Terok Nor of the alternate reality

The alternate reality version of Terok Nor appears in the Star Trek: Ongoing story arc The Q Gambit.

External links