naval support activity charleston remains a commander, navy installations command (cnic) administrative support installation assigned to commander, navy region southeast (cnrse), located on the joint base charleston naval weapons station. naval support activity charleston was reorganized as an "embedded military unit" within the joint base charleston 628th air base wing. nsa charleston navy personnel are embedded into the air base wing installation support squadrons to carry out their functions. after the creation of the joint base, the naval support activity charleston commanding officer became the deputy commander of the 628th air base wing, responsible to the wing commander for base installation support operations.