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Starbase 257 was a Federation Starfleet Sigma-class starbase with a space station facility in the 24th century.

Service history[]

During the Dominion War, in the year 2374, Starbase 257 came under attack by several Jem'Hadar fighters. Jake Sisko and Nog had just left the starbase before the attack aboard the USS Shenandoah. (DS9 episode: "Valiant")

In the event of an attack on Deep Space 9 by hostile forces such as the Dominion, starships stationed at Starbase 257 were to travel there to assist the USS Defiant and the Danube-class runabouts in protecting the space station. (DS9 reference: Star Trek: Deep Space Nine Technical Manual)

Location[]

Starbase 257 was located in relatively close proximity to Deep Space 9 in the B'hava'el star system. (DS9 episode: "Valiant")

Appendices[]

Connections[]

Sigma-class starbase space stations
Emblem of the United Federation of Planets. Starbase 17Starbase 69Starbase 82Starbase 109Starbase 176Starbase 211Starbase 257Starbase 375 Seal of the Federation Starfleet.
Federation starbases
Starbases 1234567891011121314151617181920212223242525-Alpha26272829303132333435363739-Sierra404142434445464747-Vanguard48495051525355565861626364656667686971727374757677808182838485868788899091929395969799102103104105106108109112113114117118120121122123127129133134137152153157162172173174176178179180182185189193197200201209210211212214215218219220223227231234235236237247252257260261 • • 263268277295297301303307310311312313314315324 • • 326 • • 328336343344347357364371375383401410411412413414416419420422434440452473495499505514515521523524528535541585592-Epsilon612621623693714718804823834906 (Vanguard)4077Battle 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

External link[]