||Airspace Control Authority
||Joint Pub 3-56.1
Department of Defense Dictionary of Military and Associated Terms, 23 March 1994
||The JFACC usually plays this role. If the JFACC and the ACA are different people, then special attention needs to be payed to coordination between the two roles.
The ACA is the commander designated to assume overall responsibility for the operation of the airspace control system in the airspace control area.