active air defense

active layered theatre (ballistic) missile defense (ALTBMD)

active antimissile defense

active ballistic missile defense

active satellite defense

active defense

active air reserve

perimeter defense (all-around defense)

beach defense mine / beach-defense mine

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

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

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

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

air defense forces

air defense ground environment

air defense guided missile system (AD GM sys)

air defense materiel

air defense missile

air defense missile regiment

air defense operation

air defense plan