Airspace Control Authority American Counseling Association American Correctional Association Agile Combat Aircraft Airlift Clearance Authority American Crystallographic Association Australian Communications Authority Army Contracting Agency Associate Contractor Agreement ACCRAFILTER Advanced Cargo Aircraft Altitude Controller Assembly American Chiropractic Association Automatic Circuit Assurance Absolute Calibration Audit ADJACENT-CHANNEL ATTENUATION after contract award airspace coordination area American Communication Association American Conservation Association Amputee Coalition of America anterior cerebral artery anti cardiolipin antibody Arms Control Association Associate Contractor's Agreement Asynchronous Communications Adapter Attitude Control Assembly Attitude Controller Assembly Avaya Certified Associate Acute Cerebellar Ataxia
Airspace Control Authority
American Counseling Association