carrier air unit

troop-carrier squadron / troop carrier squadron

carrier aircraft service unit

carrier unit

weapon carrier unit

air-launched space carrier aeroballistic

certificated air carrier

air charter carrier

International Air Carrier Association

drone air cargo carrier

carrier air group

carrier-based air power

air carrier

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)

air unit

army air photograph interpretation unit

unit air defense

air-flow metering unit

air data unit

casualty air evacuation unit

air force special operations unit

air base service unit

air dispatch unit