air unit

battery coolant unit / battery-coolant unit (BCU)

gear reduction unit / gear-reduction unit

position and navigation unit / position navigation unit (PNU)

pinch (a unit) out of a large unit

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 assault infantry unit

air defense fire unit

air filtration unit

Special Operations Air Tasks Unit (SOATU)

army air photograph interpretation unit

unit air defense

air-flow metering unit

air data unit

casualty air evacuation unit

air force special operations unit

carrier air unit

air base service unit

air dispatch unit

air force base unit

air intelligence liaison unit

air intelligence unit

advanced medium range air-to-air missile (AMRAAM)

air force air request net

Air Force tactical air direction net

air interdiction (AI), deep air support (DAS)

Air Mobility Command’s air assets

air operations syn. air warfare

air-to-air combat

air-to-air guided missile (AAM)

air-to-air missile