Military abbreviations: A

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A glossary of military-based abbreviations, acronyms and initials used throughout the First World War, the Second World War and through to present day. The abbreviations are associated with various different nations, primarily the United Kingdom but also including, India, South Africa, USA, New Zealand and Australia. Abbreviations also have a strong focus on various armed forces such as the British Army, Royal Navy and Royal Air Force. Use the browse prefix below to navigate to glossaries beginning with a specific letter.

Contents:  A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z
Abbreviation Definition 1 Definition 2 (if applicable)
A
Admiral (RN)
Acting
AA
Anti Aircraft
AAC
Army Air Corps
A/ADJ
Acting Adjutant
AAF
Auxiliary Air Force (RAF)
AAFRO
Auxiliary Air Force Reserve of Officers (RAF)
AAMC
Australian Army Medical Corps
AANS
Australian Army Nursing Service
AAOC
Australian Army Ordnance Corps
AA & QMG
Assistant Adjutant and Quarter Master General
AASC
Australian Army Service Corps
AASF
Advanced Air Striking Force (RAF)
AB
Able Seaman (RN)
Army Book
AC
Armourers Crew (RN)
Air Commodore (RAF)
AC1
Aircraftman 1st Class
AC2
Aircraftman 2nd Class
ACAS
Assistant Chief of Air Staff (RAF)
ACC
Army Cyclist Corps
Army Catering Corps
ACD
Army Chaplain’s Department
A/CDR
Air Commodore (RAF)
ACI
Army Council Instruction
Air Council Instruction
ACM
Air Chief Marshal (RAF)
ACW1
Aircraftwoman 1st Class (RAF)
ACW2
Aircraftwoman 2nd Class (RAF)
A CYC CORPS
Army Cyclist Corps
AD
Air Defence
ADGB
Air Defence of Great Britain
ADGMS
Assistant Director General of Medical Services
ADJ
Adjutant
ADM
Admiralty
ADS
Advanced Dressing Station
AE
Air Efficiency Award (RAF)
AF
Admiral of the Fleet (RN)
Army Form
AFC
Air Force Cross
Australian Flying Corps
AFM
Air Force Medal
AG
Air Gunner (RAF)
AGB
Adjutant Generals Base
AGC
Adjutant Generals Corps
AGRA
Army Group Royal Artillery
A GYM ST
Army Gymnastic Staff
AHB
Air Historical Branch (RAF)
AHC
Army Hospital Corps
AIF
Australian Imperial Force
AIR CDRE
Air Commodore (RAF)
AIRLINE COY
Airline Company (RE Unit specialising in overhead cables)
A/L
Air Landing
A L/CPL
Acting Lance Corporal
ALFSEA
Allied Land Forces South East Asia
ALG
Advanced Landing Ground (RAF)
A L STO
Acting Leading Stoker (RN)
AM
Air Ministry
Air Marshal (RAF) Air Mechanic (RAF)
AMB
Ambulance
AMC
Army Medical Corps
AMG
Allied Military Government
AMMN PARK
Ammunition Park
AMO
Administrative Medical Officer
AMPC
Auxiliary Military Pioneer Corps
A MULE DEPOT
Army Mule Depot
ANZAC
Australia and New Zealand Army Corps
AOC
Air Officer Commanding (RAF)
Army Ordnance Corps
AOD
Army Ordnance Department
AP
Air Publication (RAF)
APC
Army Pay Corps
APD
Army Pay Department
APO
Army Post Office
APSS
Army Printing and Stationary Services
APTC
Army Physical Training Corps
AR CR
Armourers Crew (RN)
ARMR
Armourer (RN)
ARO
Army Routine Order
ARP
Air Raid Precautions
ARRC
Associate of the Order of the Royal Red Cross
ART ENG
Artificer Engineer (RN)
ARTY
Artillery
A & SH
Argyll and Sutherland Highlanders
A SGT
Acting Sergeant
ASL
Acting Sub-Lieutenant (RN)
ASC
Army Service Corps
ASR
Air Sea Rescue
ASST PAYR
Assistant Paymaster
AT
Army Troops
Anti Tank
ATA
Air Transport Auxiliary
ATC
Air Training Corps
ATS
Auxiliary Territorial Service
AUX
Auxiliary
AVC
Army Veterinary Corps
AVM
Air Vice Marshal (RAF)
AWAS
Australian Women’s Army Service
A WO CL1
Acting Warrant Officer Class I
AWOL
Absent With Out Leave
AYR. YEO.
Ayrshire Yeomanry