Starbase 8 was a Federation starbase that was constructed at a planet in the 22nd century.
History
In 2165, Starbase 8 was a carved out asteroid and it was under the command of Commodore Chang. The USS Essex was at the station when a distress call came in from the planet Delta IV. (ENT - Rise of the Federation novel: Uncertain Logic)
In 2264, the USS Enterprise docked at Starbase 8 for shore leave. (TOS comic: "The Brain Shockers")
In 2267, the Enterprise docked at Starbase 8 for shore leave after returning from 1969. (TOS novel: Web of the Romulans)
In late 2269, the Enterprise docked at the starbase following the incident in the Cherela system for badly-needed repairs and upgrades (including installation of an intruder-defense system and a second turbolift on the bridge, plus a holographic recreation room using technology donated by Balok of the First Federation), as well as crew rotation (with Lieutenant M'Ress joining the starship, among others). (TOS novel: The Face of the Unknown)
In 2270, newly-promoted Rear Admiral Kirk and Montgomery Scott traveled to Starbase 8 in the shuttlecraft Curie to investigate an experimental starship with intra-warp drive undergoing clandestine testing. (TOS comic: "A Bright Particular Star")
In 2273, the refitted Enterprise was en route to Starbase 8 when it discovered the lost Federation starship USS Endeavor with no survivors. Afterward, as Enterprise personnel took shore leave at the starbase, Zoologist Karen Hester-Jones transferred off the ship. (TOS comic: "Experiment in Vengeance!")
In 2277 and 2278, Lincoln Galle was assigned to Starbase 8. (FASA RPG module: Old Soldiers Never Die)
In 2367, the USS Enterprise-D ferried a detained Captain Benjamin Maxwell to Starbase 8 following his actions in killing over six hundred Cardassian lives while in command of the USS Phoenix. (DS9 novel: Force and Motion)
In 2376, the USS Excalibur-A, a Galaxy-class starship, was launched from the base, under the command of Captain Mackenzie Calhoun. (NF novel: Restoration)