Starbase 310
From Memory Alpha, the free Star Trek reference.
Starbase 310 is a Federation Starbase located on a planet near the Cardassian border.
In late 2370, the USS Enterprise-D picked up Wesley Crusher and Fleet Admiral Nechayev on the starbase, before flying to Dorvan V. (TNG: "Journey's End")
- According to Star Trek: Star Charts, Starbase 310 is located in the Alpha Trianguli star system.
