Starbase 12

Facts

Sector command post for sector 25712 (TOS: "Space Seed", TNG: "Aquiel")
Located in Gamma 400 system (TOS: "Space Seed")
- As of 22nd century, on the opposite side of the Federation from Delta (ENT Novel: Uncertain Logic)
- Located in proximity to Ceti Alpha, Gemaris, Mab-Bu, and Pollux (TOS: "Space Seed", "Who Mourns for Adonais?"; TNG: "Captain's Holiday", "Power Play")
- Approximately one week from Epsilon Ceti at warp 4 (TNG: "Captain's Holiday")
Constructed by 2165 (ENT Novel: Uncertain Logic)
Still in service as of 2370 (BatB Novel: The Second Artifact)

Command crew
- Commanding officer
  - - 2165 - 2167 - : Admiral Uttan Narsu (ENT Novel: Uncertain Logic; TNG: "Power Play")
  - - 2269 - : Commodore Kwame DeRoché (Vanguard Novel: In Tempest's Wake)
Department heads
- Operations manager
  - - 2269 - : Lieutenant Commander Haystead (Vanguard Novel: In Tempest's Wake)