air service

branch (military/service branch, armed service)

separate from active service / the service

Y service (Y-service) / Y-station

regional meteorological service/ regional weather service (RWS)

emergency service / emergency operations service

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 traffic control service

air traffic service (ATS)

air weather service detachment

Special Air Service (SAS)

Queen's commendation for valuable service in the air

United States Air Force Security Service

non-scheduled air service

air rescue service

air traffic service route

air weather service

domestic air service

international air service

International Air Service Transit Agreement

scheduled international air service

through air service

special air service regiment

Special Air Service regiment operations-reconnaissance centre

Military Air Transport Service (MATS)

air base service unit

Air Force service number

air intelligence service

air intelligence service wing

air logistics service

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