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Starbase 23 was a Federation starbase that was active in the 23rd century, brought to operational status on stardate 1/6905. Starbase 23 was located at coordinates 6.49S, 2.50W; near Thranstor, Arcanis, Lycly Dun, Genmark, Lea, Kesse and Organia on the Federation side of the Klingon Treaty Zone. (FASA RPG module: The Four Years War)

Starbase 23 was also located near the Romulan Neutral Zone, in proximity to the Devron star system. (TNG episode: "All Good Things..."; ST reference: Star Charts)


This base was designated as the headquarters for Starfleet's Klingon intelligence sector, with activities units monitoring internal affairs, Klingon and Orion activity intelligence. Bases that were under the command of Starbase 23's intelligence staff were located on Chaidik, Thranstor and at Starbases 22 and Starbase 27. Starbase 23 was the control base of Southern Skies Starlines, a Starfleet Intelligence front organization based on Thranstor. (FASA RPG module: Star Fleet Intelligence Manual)

The Romulan Commander captured by the USS Enterprise in 2268 was held at Starbase 23 until she was returned to Romulan space in exchange for a Federation ambassadorial aide. (TOS novel: Cloak)

The base was the closest Federation starbase to the planet Sordinia IV. In 2257, Prime Vodis Vodanis sent an urgent message to Starbase 23, informing them that unknown alien invaders were approaching their planet and they needed urgent assistance. Admiral Blosser of the base, then contacted Captain Augenthaler and dispatched the USS Constitution to investigate. (TOS - My Brother's Keeper novel: Constitution)

In 2270, the USS Enterprise put in for repairs at Starbase 23 after a mission helping a civilization on Taygeta V in order to close a space-time distortion that was being created by their deaths. (TOS novel: The Tears of the Singers)

Also in 2270, Meijan Grey of the Chronal Assessment Committee interviewed members of the Enterprise's crew regarding their views on time travel. (DTI novel: Forgotten History)

In 2303, Amina Sasine was the first officer of the starbase. (The Lost Era novel: One Constant Star)

Following the end of the Dominion War, Zelik Leybenzon served aboard the starbase as a security officer under Commander Aenni. At the time Admiral Vance Haden was in command of the base. (TNG novel: Q & A)

Starbase 23 personnel

23rd century

24th century



Federation starbases
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