Naval Support Activity Charleston was reorganized as an "Embedded Military Unit" within the Joint Base Charleston 628 ABW. 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.
The wing provides support services such as housing and facilities maintenance, security, childcare, public works, safety, communications, finance, logistics, medical support, personnel, public affairs, legal, food service, contracts, and recreation.
The 628th Air Base Wing's primary duties are to provide installation support to 53 Department of Defense and Federal agencies, supporting a total force of over 79,000 airmen, sailors, soldiers, marines, coast guardsmen, civilians, dependents and retirees on Charleston AFB and Naval Weapons Station Charleston. It maintains $2.0 billion worth of physical infrastructure across 23,000 non-contiguous acres. They also provide expeditionary airmen to combatant commanders in support of joint and combined operations.