anti-air operation

anti-personnel-anti-material projectile

AV/AT mines (anti-vehicle / anti-tank mines)

anti-terrorist 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

anti-air warfare

air-to-surface anti-tank missile

Air Defense Anti Tank System (ADATS)

self-propelled AA / air-defense / anti-aircraft artillery

self-propelled anti-air defense

surface-to-air and anti-tank missile system

hot-air anti-icing system

anti-air gun vehicle

air defense missile / anti-aircraft missile

anti-air-to-airmissile

air defense operation

air logistic support operation

air operation

air-land operation

air-landed 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

anti-access and area denial (A2/AD)

anti-additive

anti-aircraft artillery system

anti-aircraft cannon