air defense operation

clandestine operation; covert operation

humanitarian operation; humanitarian relief operation (HUMRO)

PZ operation (pick-up zone operation)

noncombatant evacuation operation (NEO); non-combat evacuation operation

collective defense operation

Air Force Air Defense Command

perimeter defense (all-around defense)

beach defense mine / beach-defense mine

air logistic support operation

air operation

air-land operation

air-landed operation

anti-air operation

tactical air operation

air-rescue operation

air-delivered operation

aerial refueling / air refueling / in-flight refueling (IFR) / air-to-air refueling (AAR)

air combat capable helicopter / air-to-air capable helicopter

air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen

air defense (AD)

Air defense and Airspace Management Directorate (NATO)

air defense area

air defense artillery (ADA)

air defense artillery battalion

air defense artillery system

air defense brigade

air defense command

air defense commander (ADC)

air defense control center

air defense early warning

air defense emergency

air defense fire unit