Starbase 18
Starbase 18 was a Federation starbase administered by Starfleet. This base was located in the Beta Quadrant.

In 2256, the pilot of prison shuttle SPT 21 reported to this starbase that her shuttle had made contact with Species GS54. The base instructed her that she had to put on an EV suit and play exterminator. ()

In 2259, the location of this starbase was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. () 

In 2399, the location of Starbase 18 was labeled on a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters. It was located in neutral space. ()

External link 
 
0018, Starbase