Starbase 11 was a Federation command center starbase, located on the surface of the planet Yko in the Beta Quadrant. It was one of the key administrative facilities in the Quadrant and was also one of the "fall back" locations in case anything happend to Earth. A range of important events would take place at the station, from simple ceremonies to court martials. (Decipher module: Starfleet Operations Manual)
In addition to its starship repair facilities, Starbase 11 also housed a hospital section with an intensive care area dedicated to the treatment of seriously wounded individuals, including Fleet Captain Christopher Pike. (TOS episode: "The Menagerie")
In 2267, the USS Enterprise headed to Starbase 11 in order to make repairs after it had suffered severe damage following an encounter with an ion storm, where Captain James T. Kirk faced a court-martial on Starbase 11 for the murder of Benjamin Finney. It was later revealed that Finney had faked his death and reprogrammed the computer to frame Kirk. (TOS episode: "Court Martial")
Later that year, Spock hijacked the Enterprise to Starbase 11 in order to kidnap Captain Pike to Talos IV. Captain Kirk pursued Spock in the Picasso, one of the starbase's shuttlecraft. (TOS episode: "The Menagerie")
In the late 2280s, the USS Enterprise-A visited Starbase 11 to pick up a team, led by Doctor Corazon Kohwangko, assigned by the Starfleet Surgeon General's office to lead up a population renewal program for the inhabitants of planet Datugad. (TOS comic: "So Near the Touch")
In 2372, the USS Samson collected eight officers from the starbase as well as some state-of-the-art isolinear circuits which were bound for the newly-launched USS Enterprise-E. (TNG eBook: A Sea of Troubles)
In 2375, the base was attacked by a Dominion Fleet during the Dominion War. Through the code-breaking efforts of Project Mungin, Starfleet was warned of the attack, but choose not to send extra ships in order to protect their ability to read Dominion codes. (SCE eBook: Echoes of Coventry)
- In Armada, the starbase's space station name was randomly assigned to a playing field station by the game software.