Starbase 12 is a Federation starbase in the Gamma 400 system and is close to the planets Mab-Bu VI, Pollux IV, Risa and the Ceti Alpha system. In 2167, Starbase 12 was under the command of Admiral Uttan Narsu. (TNG: "Power Play")
In 2267, James T. Kirk originally set course for Starbase 12 with the SS Botany Bay in tow. (TOS: "Space Seed")
In 2364, the starbase was inexplicably evacuated for two days. Starfleet Command gave no explanation for this action. Captains Walker Keel, Rixx and Tryla Scott saw this as further evidence of a conspiracy within Starfleet. (TNG: "Conspiracy")
In 2366, the USS Enterprise-D underwent a one-week refit at Starbase 12, following its exhausting mission at Gemaris V. (TNG: "Captain's Holiday")
In 2369, when Lieutenant Aquiel Uhnari and Klingon commander Morag were believed to be coalescent organisms, these two were supposed to be brought to a secure medical facility on Starbase 12. (TNG: "Aquiel")
Apocrypha
- Starbase 12 was also featured in the video game Star Trek: Bridge Commander.
- In the novel Ship of the Line, the USS Bozeman protected Starbase 12, which was the building site of the USS Enterprise-E.