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)
- The dating of this story is from the Trowbridge Timeline.
In 2273, James T. Kirk received an urgent message from a commodore at Starbase 15. Abaris was due to collide with another planet in three days, and the USS Enterprise was the only ship in range to rescue two archeologists stationed there. (TOS comic: "Aberration on Abaris")