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Starbase 375 was a Federation Starfleet Sigma-class starbase with a space station facility in the 24th century.

Service history

In the year 2362, the USS Aldrin was scheduled to report to Starbase 375 following their preliminary study of Outpost T-22 on Kalandra Minor. (NF - No Limits short story: "Revelations")

In 2368, after serving as an instructor at Starfleet Academy, Leslie Wong requested an assignment to Starbase 375. However, she was instead assigned as the new first officer on the USS Cairo. (ST - Captain's Log comic: "Jellico")

In 2372, the station was under the command of Eric Hahn, but he was killed as part of Admiral Leyton's coup. Commander Ishmael Snowden was installed in his place and promoted to Captain, but was found to also be part of the coup, and was arrested. He was replaced by Admiral William Ross. Later that year, the USS Enterprise-E picked up Envoy Sellassars from Starbase 375 and took him to Denobula Triaxa. (TNG - Slings and Arrows eBooks: The Oppressor's Wrong, That Sleep of Death)

At some point during the Dominion War, the crew of the USS Hamilton attempted to get to Starbase 375 for badly needed repairs, but an encounter with a Jem'Hadar attack ship forced them to divert to the Badlands. (Last Unicorn RPG module: Star Trek: Deep Space Nine Narrator's Toolkit)

Benjamin Sisko became a member of the station's crew for several months, serving as Admiral William Ross' adjutant. (DS9 episodes: "A Time to Stand", "Sons and Daughters", "Behind the Lines")

Starbase 375 served as the launching point for Operation Return, the operation that retook Starbase Deep Space 9 from Dominion forces in 2374. (DS9 episodes: "Favor the Bold", "Sacrifice of Angels")

The commander of Starbase 375 was concerned with letting the Romulans use the facility following their entry into the Dominion War as part of the Federation Alliance. (DS9 novel: Hollow Men)

Admiral Lhian Mendak's fleet and his flagship, the IRW Rhliailu, put in for repairs some time later. The engineers of the Starbase noticed irregularities with the Rhliailu's weapons. (ST novel: Articles of the Federation)

Late in the Dominion War, the Seventh Tactical Wing used the starbase as an assembly area. (ST website:

In early 2376, Nog awaited the delivery of spare parts for the USS Defiant from Starbase 375 to make repairs to the Defiant following a Jem'Hadar attack on Deep Space 9. The attack also forced the USS Enterprise-E to depart from DS9 bound for Starbase 375, as DS9's crew was unable to help repair the Enterprise. (DS9 - Avatar novels: Book One, Book Two)

Following his injury at Ardana in mid 2377, Commander Alverson of the USS Edison was rushed to Starbase 375 and treated at their medical facility, after a century-old booby trap on Stratos put a dagger through Alverson's heart. Only days later, two members of the crew of the USS da Vinci, suffering injuries inflicted on Stratos, were also transferred to the starbase's medical center. (CoE eBook: Signs from Heaven)

In 2381, the base reported on the slow progress the Cardassian Union was making in assimilating the Argaya, Lyshan, an Solarion systems into the Union. (ST novel: A Singular Destiny)


Starbase 375 was located in the Kalandra sector in the Milky Way Galaxy's Alpha Quadrant. It was approximately 40 light-years from Earth. (ST reference: Star Charts)


Starbase 375 personnel
UFP emblem image. M. AbneyC. ArgusBennetB. BlackmanJ. BonoM. BoschV. CanamarE. CooperP. CorcoranJ. CruzR. EnglishD. GarthS. GauscheB. GockeE. HahnP. JacobsonB. JohnsonR. JohnsonR. KnoxC. KunzD. LehmanB. NomineM. OvertonT. OvertonW. RossC. SeveryB. SiskoI. SnowdenJ. UnsinnE. VaughnM. WelshM. WestmoreJ. WhiteM. WiltzE. Wright Seal of the Federation Starfleet.



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-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
Beta Ursae sector block
Bajor sector Ajir (Ajir IX) • Bajor-B'hava'el (Bajor IBajor IIBajor IIIBajor IVBajor VBajor VIBajorCajara, Empok NorDenorios Belt, Bajoran wormhole, Deep Space 9, Deep Space 9 IIAndrosBajor IXBajor XBa'SyladonBajor XIIBajor XIIIBajor XIV) • GolanaProphet's LandingTasak
Cardassia sector Cardassia system (Cardassia)
Kalandra sector Caldik (Caldik Prime) • Draygo (Draygo IV) • Farius (Farius Prime) • Galador (Galador II) • HanolanKalandra (Kalandra Minor) • Klaestron system (Klaestron IV) • KotakiKressari system (Kressari) • Merak (LyaLya Station AlphaMerak II) • Starbase 375

External link