Royal Military Abbreviations and Acronyms
- AAAntiaircraft
- AACAnti Aircraft Co-Operation
- AACFAnti-aircraft Co-operation Flight
- AACUAnti-Aircraft Co-Operation Unit
- AAEEAeroplane and Armament Experimental Establishment
- AAFAuxiliary Air Force
- AAFCEAllied Air Forces, Central Europe (NATO)
- AAFNEAllied Air Forces Northern Europe
- AAFSEAllied Air Forces Southern Europe
- ABCAirborne Cigar
- ACAircraft
- AC1Aircraftman First Class
- AC2Aircraftman Second Class
- ACACAircrew Allocation Center
- ACCAir Control Center
- ACCArmy Co-operation Command
- ACCFArmy Co-operation Command Communication Flight
- ACDCAircrew Despatch Center
- ACDUArmy Co-Operation Development Unit
- ACFTAircraft
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