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For the TV series, see Star Trek: Deep Space Nine. For this station's predecessor, see Deep Space 9.

Spoiler warning: Plot and/or ending details follow: The following content contains spoilers!
WARNING! This article contains MAJOR spoilers for the recently released novel The Ashes of Tomorrow. Caution is advised.

Deep Space 9 was a Federation starbase. Under the advisement of Federation President Nanietta Bacco and Bajoran First Minister Asarem Wadeen, it was decided that a new space station in the Bajor system would be the second station to bear the name Deep Space 9. Construction of the station began shortly after the destruction of its Cardassian-built predecessor in 2383 and finished in 2385. (ST - Typhon Pact novel: Raise the Dawn, ST - The Fall novel: Revelation and Dust, DS9 novels: Sacraments of Fire, The Missing)

It was destroyed during the Temporal Apocalypse crisis. (ST - Coda novel: The Ashes of Tomorrow)

Specifications and layout

Deep Space 9 was the first of the Federation's new Frontier-class, and the largest deep space station in operation in 2385. At normal capacity, it supported a population of 13,000 and was capable of taking on the passengers and crew of dozens of ships that made dock.

Unlike DS9's Nor-class predecessor, which was designed as an Ore Refinery and converted into a starbase, the new space station was designed to be a starbase of the latest design, with full repair and construction facilities, as well as state of the art science labs. DS9 II was designed to be the premier operations hub for all deep space assignments in the Bajoran sector, despite the collapse of the Bajoran wormhole.

The new station was made up of three intersecting rings, perpendicular to each other, with a central spherical core. The Horizontal Ring was known as "X" ring, with the two vertical oriented rings known as "Y" and "Z". The rings housed docking facilities, repair bays and cargo bays, as well as sensor arrays, shield generators and weapons ports. The operations center, informally known as the Hub, was located at the upper intersection of the two vertical rings. The docking ring was connected to the sphere by six crossover bridges.

The station was powered by eight mark-XIII fusion reactors, and had a further four as backups.

The station also served as headquarters for the Starfleet Judge Advocate General in the Bajoran system. (DS9 - The Fall novel: Revelation and Dust)

Notable locations

The Hub serves as the Operations center of the station and is located at the upper intersection of the Y and Z rings. It features multiple levels including a centralized briefing table, a dedicated workstation for the Security chief, and multiple other stations. The station Commander's office is directly attached.
Memorial Deck 
This deck is positioned just above the Nanietta Bacco Park, with visibility of most of the station. This deck has plaques dedicated to all those who died during the Destruction of Deep Space 9 as well as a plinth describing the original station and its origins. A piece of bulkhead from the first station is also on display here.
Nanietta Bacco Park 
The 'Park is a large, natural area featuring a cultivated woodland, swimming pools, a theatre, and other recreational areas. The park also serves as a component of the station's life support system.
The Plaza is the social and shopping center for the station and serves as the Promenade for the new station. Amongst other establishments located here are Quark's Bar, the theatre, and the Replimat.
Bajoran temple 
There was a new Bajoran temple on the new Deep Space 9, located on the plaza, a place of worship for those who followed the Bajoran religion.
Sector General 
Also known as Hospital, the Sector General is the medical center of Deep Space 9 and is directly beneath the Plaza.
stockade complex 
The stockade complex is the detention facility on Deep Space 9 and was overseen by Commander Jefferson Blackmer.



Construction support station 173 was built for the workers to use as a staging area for the construction of the new DS9. The skeleton of the station was laid out by the Starfleet Corps of Engineers in 2383 under the supervision of Miles O'Brien, who stayed on as the chief engineer for the duration of the project, as well as once it was completed. It remained in the same location as the former station, despite the collapse of the Bajoran wormhole. Nog noted that although he hoped they did not have to move it to the original position orbiting Bajor, he was sure that she could take it if the need arose. Deep Space 9 became partially habitable and operational in September 2384. (ST - Typhon Pact novel: Raise the Dawn)


Deep Space 9 open for business.

DS9 was due to be fully operational and officially opened in August 2385. An opening ceremony was planned, involving the attendance of President Nanietta Bacco, First Minister Asarem Wadeen, Chancellor Martok, Grand Nagus Rom, Castellan Rakena Garan, Imperator Sozzerozs and Praetor Gell Kamemor. The event was managed by Captain Ro and her first officer, Cenn Desca, who welcomed the prestigious guests as well as planning the opening of the station to civilian traffic a few weeks later. The ceremony, held in the theatre, was cut short due to the assassination of President Bacco. Her assassination, however, did not prevent the station from opening. After a tearful memorial, Captain Ro renamed the plaza of the new station Nanietta Bacco Park and heralded the new mission of the station as the central port in the Bajoran system. (ST - The Fall novel: Revelation and Dust)

Coming soon after the assassination was the reopening of the Bajoran wormhole—silent and vanished for over two years since the apparent death of Kira Nerys. Emergent from the wormhole was an orb, which deposited on the station Altek Dans, apparently a man from ancient Bajoran history. The reappearance of the wormhole reshaped in part the new station's role, making the Bajoran system once again a base of operations for the exploration of the Gamma Quadrant. Deep Space 9's historic first commander, Benjamin Sisko, was ordered to take the USS Robinson there for renewed exploration. (ST - The Fall novels: Revelation and Dust, Peaceable Kingdoms)

Following the arrest of Julian Bashir, Beverly Crusher requested temporary reassignment as the new chief medical officer until Bashir was reinstated or a replacement was selected. (ST - The Fall novel: Peaceable Kingdoms)

However, Crusher returned to the USS Enterprise-E in November 2385 following her discussions with Doctor Katherine Pulaski. Pascal Boudreaux soon became the new CMO. (DS9 novels: The Missing, Sacraments of Fire)

Senior staff manifest

Support vessels


Background information

The new Deep Space 9 was designed by David R. George III, Doug Drexler, Andrew Probert and Douglas E. Graves. [4]

Graves commented: "I love the whole station, top-to-bottom. At the core, I just love the Federation neo-flow take on such well-known classic lines. Just to see Andrew's sketches was a fan-rush. To see it fully constructed; wow! I love the magnetic rings, the new promenade, the huge environmental recreational dome, all the bays, portholes, landing pads, detailing, all of it. I loved rendering her out and then just looking at her as a fanboy. The design conveys one sleek and busy Federation space station, as it should be". [1]



Federation starbases
Starbases 1234567891011121314151617181920212223242525-Alpha26272829303132333435363739-Sierra404142434445464747-Vanguard484950515253555658596162636465666768697172737475767779808182838485868788899091929395969799101102103104105106108109112113114117118120121122123127129133134137143144146152153157162171172173174175176178179180182185189193197200201209210211212214215217218219220222223224227231234235236237244247252257260261263264268277295297301302303307309310311312313314315324325326328336343344347357364371375383389393395401410411412413414416419420422434440452473495499505514515521523524528535541585592-Epsilon612621623693714718804823834906 (Vanguard)13174077Battle Group 1Battle Group 2Battle Group 3Battle Group 4Battle Group 5BravoCopernicusDevalokaDiamandis 1EarhartFleet Setup StationG-6HearthHelaspontIcarusIndiaIridaniLambdaLeonovMagellanMI-17MidwayMontgomeryNeil ArmstrongR-3 Emblem of the United Federation of Planets. Seal of the Federation Starfleet.
Kelvin timeline Starbase 1Starbase 76Starbase 82Starbase 91Yorktown Station
Deep Space Stations 123456789 (I)9 (II)1012253C-15E-5G-6HubbleK-2K-5K-7K-8K-10K-11K-12K-13K-22KR-1KR-3L-6M-20M-33R-5Portal 1
Kelvin timeline K-5K-7K-4K-11