Perimeter Action Group 21

Perimeter Action Group 21 (also known as PA Group 21) was a Starfleet battle force extant in the late 23rd century. (, vol. 2)

PA Group 21 consisted of USS, USS and other vessels. In the early 2290s, the group was homeported at Starbase 14.


 * Perimeter action groups may have been the counterpart of what were called pursuit groups in other continuities.

Reference

 * Ships of the Star Fleet vol. 2: Akyazi-Class Perimeter Action Ships. 2290-91 edition.