Starbase 15 is one of the original seventeen Federation starbases provided for in the original Articles of Federation, and as such was likely constructed in the mid or late 22nd century. (TOS reference: Star Fleet Technical Manual)
In 2266, Starbase 15 was the closest base to the USS Enterprise when she encountered the telepathic group hive mind labeled "The Winged Dreamers". (TOS short story: "The Winged Dreamers")
- The dating of this story is from the Trowbridge Timeline.
In 2376, contact was lost with Starbase 15 when a "dead zone" formed in the vicinity. (TNG novel: Dead Zone)
In the late 23rd century, Starbase 15 was the home of the 2nd Andorian and 12th Pursuit Groups of Scorpio-class corvettes. (FASA RPG module: Federation Ship Recognition Manual)