Starbase 6 was a Federation starbase administered by Starfleet from the 2260s to the 2360s. It was commanded by Commodore Enwright in 2268. (TOS-R: "The Ultimate Computer") The planet Gravesworld was located near the base. (TNG: "The Schizoid Man")
On stardate 4307.1, Starbase 6 lost contact with the Intrepid and a rescue priority was issued to the USS Enterprise, which was already en route to the starbase. Following their investigation, the Enterprise returned to the base for a scheduled layover and shore leave. (TOS: "The Immunity Syndrome")
Later that year, the Enterprise traveled to this base, where it rendezvoused with the USS Lexington, and was ordered to be refitted with the M-5 multitronic unit. All but twenty of the Enterprise's crew was offloaded to this base, where they were kept in a security holding area, while the ship proceeded to participate in a series of M-5 drills. (TOS-R: "The Ultimate Computer")
In the 2270s, Starbase 6's Class F shuttlecraft Conrad was departing from the San Francisco air tram station just as Admiral James T. Kirk's air tram was arriving. (Star Trek: The Motion Picture Director's Edition)
In 2365, the USS Enterprise-D traveled to Starbase 6 from Gravesworld, following the death of Dr. Ira Graves, to drop off Kareen Brianon so she could arrange transport back to Earth. (TNG: "The Schizoid Man")
- See: Starbase 6 personnel
In the remastered 2008 version of this episode, the station was given a new design, and a formal designation printed on the base which read "Starbase 6." Information pertaining to the update was obtained from Michael Okuda.