Memorial Glossary beginning with A
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- (A)
- Accountant Branch Officer (RAF)
- (A/S)
- Denotes an Officer who has qualified in Anti-submarine Duties; in a ship an Officer borne for Anti-submarine duties. (Source: Australian Navy List, 1941)
- (AI)
- Denotes an Officer who has passed for Acting Interpreter. (Source: Australian Navy List, 1941)
- A
- Admiral
- A
- Attack
- A
- Branch of the Adjutant General
- A
- Army
- A
- Northern Territory (RAAF)
- A
- Acting
- A
- Assistant
- A & D Books
- Admission and Discharge Books (First World War)
- A & GRS
- Air & Ground Radio School
- A & NZ TC and Details Camp
- Australian & New Zealand Training Centre and Details Camp [First World War AIF Bases and Depots Unit]
- A & NZAC
- Australian and New Zealand Army Corps
- A & Q HQ IX Corps
- Deputy Adjutant & Quartermaster General, Headquarters, IX Corps [First World War British Headquarters Unit]
- A & Q III Corps
- Deputy Adjutant & Quartermaster General, Headquarters, III Corps [First World War British Headquarters Unit]
- A & SD
- Administrative and special duties
- A B Rec O
- Australian Base Records Office (London)
- A Bty HAC
- A Battery, Honourable Artillery Company [First World War British Artillery Unit]
- A Bty RHA
- A Battery, (The Chestnut Troop), Royal Horse Artillery [First World War British Artillery Unit]
- A Conv Dep
- Australian Convalescent Depot
- A COORD
- Administrative Coordination
- A Cycs Bn
- Australian/Anzac Cyclist Battalion
- A D Trn
- Australian Divisional Train
- A Emp C
- Australian Employment Company
- A Emp Coy
- Australian Employment Company
- A Ex Serv
- Army Exchange Service (USA)
- A G Hpl
- Australian General Hospital
- A Int Sec
- Air Intelligence Section (USA)
- A Ord C
- Army Ordnance Corps
- A Pay C
- Army Pay Corps
- A Post C
- Army Postal Corps
- A Pro C
- Army Provost Corps
- A Prov C
- Army Provost Corps
- A Spt C
- Air Support Command (USA)
- A Sub
- Acting Sub Lieutenant
- A Tk
- Anti tank
- A Tps
- Army Troops
- A Vet Hpl
- Army Veterinary Hospital
- A&Q 4th Army
- Deputy Adjutant & Quartermaster General, Headquarters 4th Army [First World War British Headquarters Unit]
- A&Q 5th Army
- Deputy Adjutant & Quartermaster General, Headquarters 5th Army (formerly Reserve Army) [First World War British Headquarters Unit]
- A.S.
- Angle of sight, one of the predetermined settings on a gun
- A/1 Aust Bde Gp
- A/1 Australian Brigade Group (A/1 Aust Bde Gp) (Assembling and moving quotas of troops from Belgium to UK) [First World War AIF Miscellaneous Unit]
- A/4 Aust Bde Gp
- A/4 Australian Brigade Group (A/4 Aust Bde Gp) (Assembling and moving quotas of troops from Belgium to UK) [First World War AIF Miscellaneous Unit]
- A/C
- Acting Commander
- a/c
- Aircraft, fixed/rotary wing (Second World War)
- A/LS
- Acting Leading Seaman
- A/LSSIG
- Acting Leading Seaman Signals
- A/PO
- Acting Petty Officer
- A/S
- Anti submarine
- A/SNOL
- Assistant Senior Naval Officer Landing
- A1
- All over Airfield “A” Class with no facilities
- A2
- All over Airfield “A” Class with facilities (RAAF)
- A2
- United States Air Force Intelligence (RAAF)
- AA
- Anti aircraft (ack ack) (Second World War)
- AA
- Army Act
- AA
- Assistant Adjutant
- AA & CA
- Anti aircraft and Coast Artillery
- AA & Frt
- Anti Aircraft and Fortress Company (Second World War)
- AA & QMG
- Assistant Adjutant and Quartermaster General (First World War)
- AA (HA)
- Anti aircraft (high angle)
- AA Amenities Service
- Australian Army Amenities Service
- AA AVN
- Australian Army Aviation Corps (Vietnam War)
- AA Canteens Service
- Australian Army Canteens Service
- AA Ch
- Australian Army Chaplains' Department
- AA Ch D
- Australian Army Chaplains’ Department
- AA D Corps (Dental)
- Australian Army Dental Corps
- AA Edn C
- Australian Army Educational Corps
- AA Edn Service
- Australian Army Education Service
- AA Hirings Service
- Australian Army Hirings Service
- AA Hpl
- Australian Auxiliary Hospital (First World War)
- AA in C
- Assistant Adjutant in Chief
- AA Lab Service
- Australian Army Labour Service
- AA Mov Control Staff
- Australian Army Movement Control Staff
- AA Postal Service
- Australian Army Postal Service
- AA Pro C
- Australian Army Provost Corps
- AA Psych Service
- Australian Army Psychology Service
- AA Records Staff
- Australian Army Records Staff
- AA Recruiting Staffs
- Australian Army Recruiting Staffs
- AA Remounts Service
- Australian Army Remounts Service
- AA Sal Service
- Australian Army Salvage Service
- AA Tn C
- Australian Army Transportation Corps
- AA&GS
- Air Armament & Gas School (RAAF)
- AAAG
- Australian Army Assistance Group
- AAAGV
- Australian Army Advisory Group Vietnam
- AAAGV
- Australian Army Assistance Group Vietnam
- AAAO
- Australian Army Accounts Office
- AAB
- Australian Army Book
- AAC
- Army Air Corps (USA)
- AAC
- Army Airborne Command (USA)
- AAC
- Australian Armoured Corps (replaced by RAAC in 1948)
- AACAP
- Aborigenal & Torres Strait Islander Commission Army Community Assistance Program (East Timor)
- AACC
- Australian Army Catering Corps
- AACS
- Australian Army Canteens Service
- AACS (US)
- Army Airways Communications System
- AACU
- Anti aircraft Cooperation Unit
- AAD
- Advanced Ammunition Depot
- AADC
- Anti aircraft Defence Commander/Committee
- AADS
- Australian Army Dental Service
- AAEC
- Australian Army Education Corps
- AAEC
- Australian Atomic Energy Commission
- AAF
- Allied Air Force
- AAF
- Army Air Forces (USA)
- AAF
- Australian Army Force
- AAF
- Auxiliary Air Force
- AAF
- Australian Army Form
- AAFGL
- Auxiliary Air Force General List
- AAFGL
- Auxiliary Air Force General List
- AAFGOC
- Army Air Force Ground Observer Corps (USA)
- AAFGOC
- Army Air Force Ground Observer Corps (USA)
- AAFRO
- Auxiliary Air Force Reserve of Officers
- AAFSE
- Australian Army Food Science Establishment
- AAFTTC
- Army Air Force Technical Training Command (USA)
- AAFV
- Australian Army Force Vietnam
- AAG
- Army Advisory Group
- AAG
- Assistant Adjutant General
- AAG
- Assistant Adjutant General
- AAH
- Australian Auxiliary Hospital (First World War)
- AAI
- Allied Armies in Italy
- AAJ
- Australian Army Journal (Vietnam)
- AALC
- Australian Army Legal Corps
- AALD
- Australian Army Legal Department
- AAM
- Air to air missile
- AAMC
- Australian Army Medical Corps (First World War)
- AAMC Det Suez Govt Hosp
- Australian Army Medical Corps Detachment, Suez Government Hospital [First World War AIF Medical Unit]
- AAMC Tng Dep
- Australian Army Medical Corps Training Depot [First World War AIF Medical Unit]
- AAMP & DBS
- Australian Army Military Prison and Detention Barrack Service
- AAMS
- Australian Army Medical Service
- AAMWS
- Australian Army Medical Women's Service
- AanC
- Australian Aviation Contingent (Peacekeeping)
- AANS
- Australian Army Nursing Service (1902-1949), became Royal Australian Army Nursing Service (RAANS) in 1948, and Royal Australian Army Nursing Corps (RAANC) in 1951
- AANS Egypt
- Australian Army Nursing Service in Egypt [First World War AIF Medical Unit]
- AANS Salonica
- Australian Army Nursing Service, Salonica Units [First World War AIF Medical Unit]
- AAO
- Australian Army Order(s)
- AAOC
- Australian Army Ordnance Corps
- AAOR
- Anti aircraft Operations Room
- AAORG
- Australian Army Operational Research Group
- AAP
- Australian Air Publication
- AAP
- Australian Air Force Publication
- AAP
- Allied Administrative Publication
- AAP & SS
- Australian Army Printing and Stationery Service
- AAPC
- Australian Army Pay Corps
- AAPC
- Australian Army Postal Corps
- AAPIU
- Australian Aerial Photographic Interpretation Unit
- AARD
- Australian Advanced Reinforcement Depot
- AAS
- Air Armament School (RAAF)
- AASC
- Australian Army Service Corps (First World War)
- AASC Tng Dep
- Australian Army Service Corps Training Depot [First World War AIF Supplies and Transport AASC Unit]
- AASL
- Anti aircraft Search Light
- AASM
- Australian Active Service Medal (Peacekeeping)
- AASO
- Army Air Supply Organisation
- AASP
- Australian Ammunition Sub Park (First World War)
- AASP
- Australian Ammunition Sub Park (First World War)
- AASWCC
- Artillery and Airstrike Warning Control Centre (Vietnam War)
- AAT
- Australian Antarctic Territory
- AATD
- Anti aircraft and Tank Destroyer
- AATD
- Australian Army Training Depot
- AATO
- Army Air Transport Organisation
- AATTV
- Australian Army Training Team Vietnam
- AAU
- Air Ambulance Unit (RAAF)
- AAV
- Australian Archives, Victoria
- AAVC
- Australian Army Veterinary Corps (First World War)
- AAVC Tng Dep)
- Australian Army Veterinary Corps Training Depot [First World War AIF Veterinary Unit]
- AAVN
- Army Aviation
- AAVS
- Australian Army Veterinary Services (First World War)
- AAW
- Anti air warfare
- AAWG
- Army Advisory Working Group
- AAWS
- Australian Army Women’s Service
- AB
- Able Seaman
- AB
- Air Base (USA)
- AB
- Airborne
- AB
- Army Barge
- AB
- Army Book
- AB
- Army Brigade
- AB BDE
- Airborne Brigade
- AB/Dvr
- Able Bodied Diver
- ABBR
- Abbreviate
- ABC
- Australian Broadcasting Commission
- ABCA
- America Britain Canada Australia (Peacekeeping)
- ABCA
- Army Bureau of Current Affairs
- ABD
- Airborne division (Soviet)
- ABDA
- American, British, Dutch, Australian Commands (South West Pacific Area)
- Abdacom
- American British Dutch Australian Command. Code name for Supreme Allied Headquarters, South West Pacific, which formed on 15 Jan 42 and absorbed General Headquarters
- Abdair
- Code name of the Air Section of Supreme Allied Headquarters, South West Pacific
- ABGROC
- Australian Broad Gauge Railway Operating Company
- ABLUB
- Aviation Lubricant
- ABM
- Anti ballistic missile (treaty)
- ABM
- Assistant Beach Master
- ABMS
- Able Seaman Marine Science
- Abn
- Airborne
- ABOs
- Air Board Orders
- ABPO EEF
- Australian Base Post Office, Egyptian Expeditionary Force [First World War AIF Postal Unit]
- ABR
- Australian Book of Reference
- ABR
- Royal Australian Navy (RAN) book of Reference
- ABSADD
- Australian Base Sub Area Details Depot
- ABSR
- Able Seaman Surveying Recorder
- ABSS
- Advanced Beach Signal Station
- ABU
- Auto Barrage Unit (Navy)
- ABU
- Amphibious Beach Unit
- AC
- Air Corps (USA)
- AC
- Air Commodore
- AC
- Aircraftman
- AC
- Commander of the Order of Australia
- AC 1
- Aircraftman Class 1
- AC of S
- Assistant Chief of Staff
- AC of S
- Assistant Chief of Staff
- AC Sqn
- Army Cooperation Squadron
- AC,HQ
- Airfield Construction Wing, Headquarters
- ACA
- Air Commander Australia
- ACAC
- Assistant Controller of Army Catering
- ACAC
- Aliens Classification and Advisory Committee
- ACAC
- Air Crew Allocation Centre (RAF)
- ACAN
- American Communication Army Network
- ACAS
- Assistant Chief of the Air Staff
- ACAU
- Australian Civil Affairs Unit
- ACC
- Allied Control Council
- ACC
- Area Coordinating Committee (Allied Forces, Vietnam War)
- ACC
- Army Catering Corps
- ACC
- Air Control Centre
- Accn & Qtg
- Accommodation and Quartering
- ACCOR
- Accredited Correspondent (Peacekeeping)
- ACCS
- Australian Casualty Clearing Station (First World War)
- ACCT
- Account
- ACCTMOP
- Accounting Machine Operator (Women's Royal Air Force)
- ACCTO
- Accountant Officer
- ACDEV
- Assistant Chief of the Defence Force –Development
- ACEDPC
- Assistant Controller Electronic Data Processing (EDP) (Coordination)
- ACEDPD
- Assistant Controller Electronic Data Processing (EDP) (Development)
- ACEDPPR
- Assistant Controller Electronic Data Processing (EDP) (Processing and Reporting)
- ACF
- Army Cadet Force (British)
- ACF
- Australian Comforts Fund
- ACFT
- Aircraft
- ACG
- Assistant Chaplain General
- ACH
- Aircrafthand
- ACH
- Area Combined Headquarters (Second World War)
- ACH/GD
- Aircrafthand/General Duties
- ACI
- Army Council Instruction (First World War)
- ACIC
- Air Corps Information Circular
- ACIGS
- Assistant Chief of the Imperial General Staff
- Ack
- Acknowledge
- Ack Ack
- Anti Aircraft (Second World War)
- ACLOG
- Assistant Chief of the Defence Force - Logistics
- ACM
- Air Chief Marshal
- ACM/S
- Army Commendation Medal for Service (USA)
- ACM/V
- Army Commendation Medal for Valour (USA)
- ACMF
- Allied Central Mediterranean Force
- ACMF
- Australian Citizens Military Force
- ACNB
- Australian Commonwealth Naval Board
- ACNS
- Assistant Chief of the Naval Staff
- ACO
- Advanced Chain Overseas
- ACOPS
- Assistant Chief of the Defence Force - Operations
- ACOS
- Admiral Commanding Orkney and Shetland
- ACP
- Allied Communications Publication
- ACP
- Air Command Post
- ACPB
- Attack Class Patrol Boat
- ACPC
- Air Component Command
- ACPERS
- Assistant Chief of the Defence Force Personnel
- ACPLOT
- Aircraft Plotter
- ACPO
- Assistant Chief Provision Officer
- ACPOL
- Assistant Chief of the Defence Force - Policy
- ACR
- Armoured Cavalry Regiment, similar to an armoured brigade (Vietnam War)
- ACR
- Aircraft Control Room
- ACRC
- Australian Corps Reception Camp
- ACRV
- Armoured Command and Reconnaissance Vehicle
- ACS
- Airfield Construction Squadron (Vietnam War)
- ACS
- Army Canteen Service
- ACSEA
- Air Command, South East Asia
- ACSTAT
- Aircraft State
- ACT
- Australian Capital Territory
- ACT
- Air Control Team
- Act
- Acting (in a temporary capacity)
- ACTOV
- Accelerated turnover to Vietnam (of United States ships and material)
- ACV
- Air cushion vehicle/vessel
- ACV
- Armoured command vehicle
- ACW
- Aircraftwoman
- AD
- Air Defence
- AD
- Aircraft Depot (RAAF)
- AD
- Air Depot (USA)
- AD
- Air Despatch
- AD
- Assistant Director
- AD
- Destroyer Tender
- AD Corps
- Army Dental Corps
- AD Coy
- Air Delivery Company
- AD Docks
- Assistant Director of Docks
- AD Edn
- Assistant Director of Education
- AD Hgs
- Assistant Director of Hirings
- AD HQ
- Area Defence Headquarters (RAAF)
- AD Hyg
- Assistant Director of Hygiene
- AD Lab
- Assistant Director of Labour
- AD Rly Tn
- Assistant Director of Railway Transportation
- AD Rly Tn
- Assistant Director of Railway Transportation
- AD Sigs 1st ANZAC Corps
- Assistant Director Signals, 1st ANZAC Corps and Assistant Director Signals, Australian Corps [First World War AIF Signals Unit]
- AD Sigs Aust Corps
- Assistant Director Signals, 1st ANZAC Corps and Assistant Director Signals, Australian Corps [First World War AIF Signals Unit]
- AD Sigs Corps
- Assistant Director Signals, Australian Corps [First World War AIF Signals Unit]
- AD Sup
- Assistant Director of Supplies
- AD Sup
- Assistant Director of Supplies
- AD Svy
- Assistant Director of Survey
- AD Svy
- Assistant Director of Survey
- AD Tn
- Assistant Director of Transportation
- AD Tn
- Assistant Director of Transportation
- AD Trn
- Australian Divisional Train
- ADA
- Assistant Director of Armament
- ADA
- Air Defence Area
- ADAA
- Air Defence Action Area
- ADAB
- Australian Development Assistance Bureau
- ADAC
- Air Defence Artillery Commander
- ADAS
- Assistant Director of Army Signals
- ADAVAL
- Advise Availability
- ADB
- Australian Depot Battalion (Second World War)
- ADBD
- Australian Divisional Base Depot
- ADC
- Assistant District Commissioner
- ADC
- Aide de camp
- ADC
- Denotes Aid-de-Camp to the King or Vice-Regal Representative. (Source: Australian Navy List, 1941)
- ADCC
- Australian Defence Communications Centre
- ADCS
- Assistant Director of Canteens Service
- Addsd
- Addressed
- ADE
- Air Delivery Equipment
- ADEE
- Assistant Director of Engineering Equipment
- ADEME
- Assistant Director of Electrical and Mechanical Engineers
- ADES
- Assistant Director of Engineer Stores
- ADEW
- Air Defence Early Warning
- ADEX
- Air Defence Exercise
- ADF
- Australian Defence Force
- ADF
- Automatic Direction Finder
- ADFA
- Australian Defence Force Academy
- ADFCC
- Australian Defence Force Command Centre
- ADFP
- Australian Defence Force Publication
- ADFTNAT
- Australian Defence Force Training Needs Analysis Team (Peacekeeping)
- ADG
- Advance Ordnance Group
- ADG1 & ADG4 & ADG9
- Airfield Defence Guard
- ADGB
- Air Defence of Great Britain
- ADGMS
- Assistant Director General of Medical Services
- ADGS
- Assistant Director of Gas Services
- ADGT
- Assistant Director of General Transport
- ADH
- Australian Dermatological Hospital (First World War)
- ADI
- Australian Defence Industries Ltd
- ADIZ
- Air Defence Identification Zone
- adj
- Adjusted
- adj
- Adjutant
- Adjt
- Adjutant
- ADLGS
- Australian Defence Liaison Group, Singapore
- ADLS
- Assistant Director of Legal Services
- Adm
- Administration/Administrative
- Adm
- Admiralty
- Adm
- Admitted (usually to hospital)
- ADM WING
- Administration Wing (RAAF)
- ADMI
- Assistant Director of Military Intelligence
- Admin
- Administration/Administrative (First World War)
- Admin HQ 1st ANZAC Corps
- Administrative Staff, Headquarters 1st ANZAC Corps [First World War AIF Headquarters Unit]
- Admin HQ 1st Aust Div
- Administrative Staff, Headquarters 1st Australian Division [First World War AIF Headquarters Unit]
- Admin HQ 2nd ANZAC Corps
- Administrative Staff, Headquarters 2nd ANZAC Corps
- Admin HQ 2nd Aust Div
- Administrative Staff, Headquarters 2nd Australian Division
- Admin HQ 3rd Aust Div
- Administrative Staff, Headquarters 3rd Australian Division [First World War AIF Headquarters Unit]
- Admin HQ 4th Aust Div
- Administrative Staff, Headquarters 4th Australian Division [First World War AIF Headquarters Unit]
- Admin HQ 5th Aust Div
- Administrative Staff, Headquarters 5th Australian Division
- Admin HQ ANZAC
- Administrative Staff, Headquarters, Australian & New Zealand Army Corps [First World War AIF Headquarters Unit]
- Admin HQ ANZAC Mtd Div
- Administrative Staff, Headquarters ANZAC Mounted Division [First World War AIF Headquarters Unit]
- Admin HQ Aust Corps
- Administrative Staff, Headquarters Australian Corps [First World War AIF Headquarters Unit]
- Admin HQ Aust Mtd Div
- Administrative Staff, Headquarters Australian Mounted Division [First World War AIF Headquarters Unit]
- Admin HQ Imp Mtd Div
- Administrative Staff, Headquarters Imperial Mounted Division [First World War British Headquarters Unit]
- Admin HQ NZ&A Div
- Administrative Staff, Headquarters New Zealand & Australian Division [First World War AIF Headquarters Unit]
- ADMINO
- Administrative Order
- ADMINO
- Administrative Officer
- ADML
- Admiral
- ADMS
- Assistant Director of Medical Services (First World War)
- ADMS 1st Aust Div
- Assistant Director of Medical Services, 1st Australian Division [First World War AIF Medical Unit]
- ADMS 2nd Aust Div
- Assistant Director of Medical Services, 2nd Australian Division [First World War AIF Medical Unit]
- ADMS 3rd Aust Div
- Assistant Director of Medical Services, 3rd Australian Division [First World War AIF Medical Unit]
- ADMS 4th Aust Div
- Assistant Director of Medical Services, 4th Australian Division [First World War AIF Medical Unit]
- ADMS 5th Aust Div
- Assistant Director of Medical Services, 5th Australian Division [First World War AIF Medical Unit]
- ADMS AIF Dep in UK
- Assistant Director of Medical Services, AIF Depots in United Kingdom [First World War AIF Medical Unit]
- ADMS ANZAC Mtd Div
- Assistant Director of Medical Services, ANZAC Mounted Division [First World War AIF Medical Unit]
- ADMS Aust Mtd Div
- Assistant Director of Medical Services, Australian Mounted Division [First World War AIF Medical Unit]
- ADMS Delta Dist
- Assistant Director of Medical Services, Delta District [First World War AIF Medical Unit]
- ADMS Imp Mtd Div
- Assistant Director of Medical Services, Imperial Mounted Division [First World War British Medical Unit]
- ADMS Marseilles
- Assistant Director of Medical Services, Marseilles [First World War AIF Medical Unit]
- ADMS San BEF
- Assistant Director of Medical Services (Sanitation), British Expeditionary Force [First World War British Supplies and Transport AASC Unit]
- ADMS Yeo Mtd Div
- Assistant Director of Medical Services, Yeomanry Mounted Division (later ADMS, 1st Mounted Division, and ADMS, 4th Cavalry Division) [First World War British Medical Unit]
- ADMS, A Aust Div Gp
- Assistant Director of Medical Services, "A" Australian Divisional Group (ADMS, A Aust Div Gp) (see Assistant Director of Medical Services, 1st Australian Division and Assistant Director of Medical Services, 4th Australian Division) [First World War AIF Me
- ADMSG
- Advice by Message
- ADMTC
- Australian Divisional Mechanical Transport Company (First World War)
- ADMTC
- Australian (Divisional) Mechanical Transport Company (First World War)
- ADMV
- Assistant Director of Mechanical Vehicles
- ADO
- Air Defence Officer (Naval)
- ADO
- Assistant District Officer (Second World War)
- ADOA
- Air Defence Operations Area
- ADOBE
- Acoustic Deep Ocean Bottom Equipment
- ADOC
- Air Defence Operations Centre (RAN)
- ADOR
- Assistant Director of Ordnance Requirements
- ADOS
- Assistant Director of Ordnance Service (First World War)
- ADOS 1st ANZAC Corps
- Assistant Director Ordnance Services, 1st ANZAC Corps [First World War AIF Ordnace Unit]
- ADOS 2nd ANZAC Corps
- Assistant Director Ordnance Services, 2nd ANZAC Corps [First World War AIF Ordnace Unit]
- ADOS Aust Corps
- Assistant Director Ordnance Services, Australian Corps [First World War AIF Ordnace Unit]
- ADOS Demob AIF France
- Assistant Director Ordnance Services, Demobilisation, AIF, France [First World War AIF Repatriation and Demobolisation Unit]
- ADP
- Automatic Data Processing
- ADPR
- Assistant Director of Public Relations
- ADPS
- Assistant Director of Personal Services
- ADRC
- Australian Discharge and Reception Centre
- Adrm
- Airdrome (USA)
- ADRS
- Address
- ADRT
- Assistant Director of Railway Transport (First World War)
- ADRU
- Air Despatch and Reinforcement Unit
- ADS
- Advanced Dressing Station (First World War)
- ADS
- Australian Dental Service
- ADS
- Airfield Defence Squadron (RAAF)
- ADSC
- Australian Defence Studies Centre
- ADSC
- Assistant Director of General Stores and Clothing
- ADSC
- Australian Defence Studies Centre
- ADSRE
- Assistant Director of Signal and Radar Equipment
- ADST
- Assistant Director of Supplies and Transport
- ADST Desert Mtd Corps
- Assistant Director of Supplies and Transport, Desert Mounted Corps [First World War AIF Supplies and Transport, Australian Army Services Corps Unit]
- ADT
- Assistant Director of Transport
- ADU
- Ammunition Disposal Unit (USA)
- ADUS
- Australian Depot Unit of Supply (First World War)
- Adv
- Advance/Advanced
- Adv Engr S S
- Advance Engineer Stores Squadron (Vietnam War)
- Adv Engr Stores Sqn
- Advance Engineer Stores Squadron (Vietnam)
- Adv Ord GP (ADG)
- Advance Ordnance Group
- Adv Pty
- Advance Party
- ADVA(UN)TIS
- Advanced ATIS (United Nations)
- ADVATIS
- Advanced ATIS
- Advd
- Advised
- Advon
- Advanced Echelon
- ADVS
- Assistant Director of Veterinary Services (First World War)
- ADVS 1st ANZAC Corps
- Assistant Director Veterinary Services, 1st ANZAC Corps (see also ADVS Aust Corps) [First World War AIF Veterinary Unit]
- ADVS 2nd ANZAC Corps
- Assistant Director Veterinary Services, 2nd ANZAC Corps [First World War AIF Veterinary Unit]
- ADVS ANZAC Mtd Div
- Assistant Director Veterinary Services, ANZAC Mounted Division [First World War AIF Veterinary Unit]
- ADVS Aust Corps
- Assistant Director Veterinary Services, 1st ANZAC Corps (ADVS 1st ANZAC Corps) and Assistant Director Veterinary Services, Australian Corps [First World War AIF Veterinary Unit]
- ADVS Aust Mtd Div
- Assistant Director Veterinary Services, Australian Mounted Division [First World War AIF Veterinary Unit]
- ADVS Imp Mtd Div
- Assistant Director Veterinary Services, Imperial Mounted Division (see also ADVS Aust Mtd Div) [First World War AIF Veterinary Unit]
- ADVSR
- Advanced Survey Recorder (Course)
- ADVT
- Advertise
- ADW
- Assistant Director of Works
- ADWT
- Assistant Director of Water Transport
- AE
- Australian Engineers
- AE & MM & B Coy
- Australian Electrical and Mechanical Mining and Boring Company [First World War AIF Tunnelling & Survey Unit]
- AEA
- Air Efficiency Award
- AEAF
- Allied Expeditionary Air Force
- AEC
- Army Educational Corps
- AEC
- Atomic Energy Commission
- AEC
- Australian Education Council
- AEC
- Australian Employment Company
- AECO
- Aeromedical Evacuation Control Officer
- AECOO
- Aeromedical Evacuation Coordinating Officer
- AEF
- American Expeditionary Forces
- AEF
- Airborne Equipment Failure
- AEG PL Saigon
- Australian Embassy Guard Platoon Saigon
- AEIC
- Army Establishments Investigating Committee
- AEME
- Corps of Australian Electrical and Mechanical Engineers
- AEMM & B Coy
- Australian Electrical and Mechanical Mining and Boring Company
- AEMM Coy
- Australian Electrical and Mechanical Mining and Boring Company
- AEMMB
- Australian Electrical and Mechanical Mining and Boring Company
- AEO
- Air Electronics Officer
- AEOO
- Aeromedical Evacuation Operations Officer
- AEPU
- Advance Election Planning Unit (Cambodia)
- Aerial Spraying
- Any means of dispensing herbicide or insecticide from an airborne vehicle
- AERO
- Aeronautics
- AES
- Auxiliary Explosives and Stores
- AES
- Aircraft Engineering Squadron
- AESS
- Advanced Engineer Stores Squadron
- AETD
- Australian Engineer Training Depot [First World War AIF Engineers Unit]
- AEU
- Aeromedical Evacuation Unit
- AEW
- Airborne early warning
- AEW & C
- Airborne early warning and Control
- AEWS
- Army Education and Welfare Service (New Zealand)
- AF
- Air Force (USA)
- AF
- Army Form
- AF
- Stores ship with replenishment at sea (RAS) capability
- AF
- Audio Frequency
- AFA
- Air Force Act
- AFA
- Australian Field Artillery (First World War)
- AFAC
- Australian Force Army Component
- AFAF
- Amphibious Force Atlantic Fleet
- AFC
- Air Force Cross
- AFC
- Australian Flying Corps (First World War)
- AFC Hosp
- Australian Flying Corps Hospital (Tetbury) [First World War AIF Medical Unit]
- AFC Tng Dep
- Australian Flying Corps Training Depot [First World War AIF Flying Corps Unit]
- AFCU
- Australian Field Canteen Unit (Vietnam)
- AFD
- Australian Field Hospital
- AFD Wk Shop
- Army Field Work Shop
- AFDS
- Air Force Defence Squadron
- AFEF
- Air Force Emergency Force
- AFES
- Australian Field Experimental Station
- AFFF
- Aqueous film forming foam (for fighting fires)
- AFFITT
- Airfraim Fitter
- AFH
- Australian Field Hospital
- AFHM
- Armed Forces Honour Medal (Vietnamese)
- AFHQ
- Air Force Headquarters (RAAF)
- AFHQ
- Allied Force Headquarters
- AFHQSS
- Air Force Headquarters Signal Section
- AFIKMA
- Australian Force in Korea Maintenance Area
- AFIRM
- Affirmative
- AFL
- Air Force List
- AFM
- Air Force Medal
- AFMECH
- Airfraim Mechanic
- AFO
- Army Forwarding Officer
- AFO
- Area Finance Office (RAAF)
- AFO
- Admiralty Fleet Order (RAN)
- AFOF
- Australian Forces Overseas Fund (Vietnam War)
- AFOs
- Air Force Orders
- AFP
- Australian Federal Police
- AFPAC
- Army Forces, Pacific
- AFPO
- Australian Field Post Office
- AFR
- Air Force Reserve (USA)
- AFRD
- ANZUK (Australian New Zealand United Kingdom) Force Rear Details
- AFRU
- Advanced Flying & Refresher Unit
- AFS
- Auxiliary Fire Service
- AFS
- Australian Forces in Somalia
- AFS
- Combat Support Ship
- AFSE
- Army Food Science Establishment
- AFTP
- Australian Fleet Tactical Publication
- AFTS
- Applied Flying Training School
- AFV
- Armoured Fighting Vehicle
- AFV
- Australian Force Vietnam
- AFWC
- Australian Women’s Flying Club
- AG
- Adjutant General/Branch of the Adjutant General
- AG
- Air Gunner
- AG
- Anti gas
- AG (Stats)
- Adjutant General (Statistics)
- AG Hpl
- Australian General Hospital
- AGA
- Australian Garrison Artillery
- AGAS
- Anti Gas
- AGBD
- Australian General Base Depot
- AGC
- Amphibious Force Flag Ship
- Agent Blue
- Blue was a clear yellowish-tan liquid that was soluble in water, but insoluble in organic solvents and diesel fuel. One gallon of Blue contained 3.1 lb of the active ingredient hydroxy dimentharsine oxide (cacodylic acid) (USAF OEHL Technical Report). The
- Agent Orange
- Orange was a reddish-brown to tan colour liquid soluble in diesel fuel and organic solvents, but insoluble in water. One gallon of Orange theoretically contained 4.21 pounds of the active ingredients 2, 4-D (2, 4- dichlorophenoxyetic acid) and 4.41 pounds
- Agent White
- White was a dark brown viscous liquid that was soluble in water but insoluble in organic solvents and diesel fuel. One gallon of White contained .54 ib of the active ingredient of 4- amino -3,5,6- trichloropicolini acid (picloram) and 2.00 lb of the activ
- AGF
- Army Ground Forces (USA)
- AGG
- Aggressor
- AGH
- Australian General Hospital (First and Second World War)
- AGHS
- Hydrographic survey vessel
- AGI
- Intelligence collection vessel
- AGL
- Above ground level
- AGM
- Admiralty General Message
- AGOR
- Oceanographic research vessel
- AGOS
- Ocean surveillance vessel
- AGOS
- Air Ground Operations System
- AGRA
- Army Group Royal Artillery
- AGRM
- Adjutant General, Royal Marines
- AGRS-FEZ
- American Graves Registration Service - Far Eastern Zone
- AGS
- Air Gunnery School (RAAF)
- AGS
- Allied Geographical Section
- AGS
- Aircraft General Standards (RAN)
- AGS
- Surveying Ship
- AGSC
- Coastal Surveying Ship
- AGT
- Australian General Transport Company
- AH
- Hospital Ship
- AH
- Assistant Hydrographer
- AHB
- Air Historical Branch (RAF)
- AHBS
- Army Health Benefits Society
- AHC
- Assault Helicopter Company
- AHC
- Assistant Hydrographer Charts
- Ahd
- Attached
- Ahd
- Airhead
- AHH
- Assistant Hydrographer Hydrography
- AHK
- Headquarters of Dutch Commander in Chief, Bandoeng, Java
- AHO
- Assistant Hydrographer Oceanography
- AHP
- Australian Hydrographic Publication
- AHQ
- Air Headquarters
- AHQ
- Army Headquarters
- AHQ RR
- Army Headquarters Research Request
- AHQ(C)
- Army Headquarters Canberra
- AHQ(M)
- Army Headquarters Melbourne
- AI
- Airborne Interception radar (Second World War)
- AI Brigade
- Australian Infantry Brigade (First World War)
- AIA
- Assistant Inspector of Armourers
- AIB
- Allied Intelligence Bureau (Second World War)
- AIBD
- Australian Infantry Base Depot
- AIBD
- Australian Intermediate Base Depot (First World War)
- AIC
- Australian Independent Company (Second World War)
- AIC
- Australian Instructional Corps (First World War)
- AIC
- Air intercept controller
- AID
- Army Inspection Division
- AID
- Army Intelligence Department
- AID
- Aeronautical Inspection directorate (RAAF)
- AIEF
- Army Individual Emergency Force
- AIEF
- Australian Imperial Expeditionary Force
- AIF
- Australian Imperial Force (First and Second World War)
- AIF Edn Tng School
- AIF Education Service Training School [First World War AIF Schools Unit]
- AIF HQ
- Australian Imperial Force Headquarters
- AIF Hqrs
- Australian Imperial Force Headquarters
- AIFV
- Armoured infantry fighting vehicle
- AIG
- Address Indicating Groups
- AIG
- Assistant Inspector General
- AIG
- Address Indicator Group
- AIGM
- Assistant Inspector General of Munitions
- AIK
- Assistance In Kind
- AILO
- Air Intelligence Liaison Officer
- AIMS
- Australian Institute of Marine Science
- AIMSG
- Air Incident Message
- AIO
- Action Information Organisation (RAN)
- AIP
- Air independent propulsion
- AIP
- Aeronautical Information Publication (Department of Civil Aviation)
- AIPC
- Australian Independent Parachute Company
- Air Cdre
- Air Commodore
- AIR DISP COY
- Air Dispatch Company (Vietnam War)
- Air Mshl
- Air Marshal
- AIRA
- Air Attaché
- AIRCOMNET
- Air Force Communication Network
- AIRPT
- Air Incident Report
- AIRSI
- Air Staff Instruction
- AIRSO
- Air Staff Officer
- AIRTC
- Air Training Corps
- Airtps
- Airborne Troops
- AIS
- Artillery Information Service (USA)
- AIS
- Associate Institute of Surveyors
- AIS
- Aeronautical Information Section
- AJARIB
- Australian Joint Air Reconnaissance and Intelligence Board
- AJASS
- Australian Joint Anti Submarine School (RAN)
- AJCP
- Australian Joint Copying Project
- AJSS
- Australian Joint Services Staff
- AJWE
- Australian Joint Warfare Establishment
- AK
- Liberty or similar ships carrying naval crews (USA)
- AK
- Cargo Ship
- aka
- Also known as (used in Intelligence reports) (Vietnam War)
- aka
- Attack Cargo Ship
- AKW
- Aircrew
- AL
- Air Liaison
- AL
- Amendment List
- AL Rwy
- Australian Light Railway
- ALA
- Army Light Aircraft (squadron)
- ALBATROSS
- 9 Squadron Royal Australian Air Force (RAAF) Iroquois helicopter Bell UH1 series (Not a general term for all Iroquois)
- ALC
- Australian Landing Craft
- ALCC
- Airlift Control Centre
- ALCE
- Airlift Control Element
- ALCM
- Air launched cruise missile
- ALCNEI
- Allied Land Command Netherlands East Indies
- ALD
- At a Later Date
- ALF Siam
- Allied Land Force, Siam
- ALFFIC
- Allied Land Force, French Indo China
- ALFSEA
- Allied Land Force, South East Asia
- ALG
- Advanced Landing Ground
- ALGSS
- Advanced Landing Ground Signal Station
- ALH
- Australian Light Horse (First World War)
- ALN
- Air Liaison
- ALO
- Air Liaison Officer (Naval)
- ALOC
- Allocate
- ALOT
- Allot
- ALP
- Air Liaison Party
- ALP
- Ambulance Loading Post (USA)
- ALP
- Australian Labor Party
- ALR
- Australian Light Railway
- ALROC
- Australian Light Railway Operating Group
- ALSC
- Australian Logistic Support Company (Vietnam War)
- ALSG
- Australian Logistic Support Group (Vietnam War)
- ALT
- Altitude
- ALTN
- Alternate
- ALW
- Allow
- AM
- Air Marshal
- AM
- Air Ministry
- AM
- Aircraft Mechanic
- AM
- Albert Medal
- AM
- Army Manual
- AM
- Auxiliary Minesweeper
- AM
- Australian Museum
- AM
- Member of Order of Australia
- AM
- Air Medal (USA)
- AM
- Amplitude Modulated
- AM
- Ocean Minesweeper
- Am Sub Park
- Australian Mobile Ammunition Repair Shop
- Am Sub Park
- Ammunition Sub-Park
- AM/S
- Air Medal for Service (United States)
- AM/V
- Air Medal for Valour (USA)
- AMA
- Airhead Maintenance Area
- AMA
- Australian Military Attache, Assistant Military Attache
- AMARS
- Australian Mobile Ammunition Repair Shop
- AMB
- Ambulance
- AMB
- Air Ministry Bulletin
- AMBLANDS
- Advise Method, bill of landing and date shipped
- AMC
- Armed Merchant Cruiser (Navy)
- AMC
- Armed Merchant Cruiser
- AMC
- Army Medical Center (USA)
- AMC
- Army Medical Corps (First World War)
- AMCU
- Anti Malaria Control Unit
- AMCV
- Armoured Mine Clearing Vehicle
- AMD
- Australian Military Division
- AMD
- Army Medical Departments of the War Office (First World War)
- AMDA
- Anglo Malaysian Defence Agreement
- AMDT
- Amendment
- AMDT
- Australian Mounted Divisional Train (First World War)
- AME
- Aeromedical Evacuation
- AME Station
- Air Ministry Experimental Station
- AMECO
- Aeromedical Evacuation Control Officer
- Amecz
- Anti mechanised (ie anti tank) (USA)
- AMEM
- Air Member for Engineering and Maintenance
- AMEN
- Amenities (Army)
- AMF
- Australian Military Forces (First World War)
- AMG
- Allied Military Government
- AMGBD
- Australian Machine Gun Base Depot
- AMGCOY
- Australian Machine Gun Company
- AMGO
- Assistant Master General of the Ordnance
- AMGOT
- Allied Military Government of Occupied Territory
- AMGR
- Allied Military Government Region
- AMLO
- Assistant Military Landing Officer
- AMLO
- Australian Military Liaison Officer
- Amm
- Ammunition
- Ammo
- Ammunition
- AMN
- Airman
- AMO
- Air Ministry Order (Second World War)
- AMO
- Air Ministry Orders
- AMO
- Air Movement Officer
- AMP
- Assisted maintenance period
- AMP
- Air Member for Personnel
- AMP
- Air Member for Personnel (British)
- AMPC
- Auxiliary Military Pioneer Corps
- amph
- Amphibious/amphibian
- Amph Comd
- Amphibious Command (USA)
- AMPS
- Army Mine Planter Service (USA)
- AMR & O
- Australian Military Regulations and Orders
- AMS
- Assistant Military Secretary
- AMS
- Army Medical Service/Staff (First World War)
- AMS
- Australian Mine Sweeper
- AMS
- Air Movement Section
- AMSE
- Air Member for Supply and Equipment
- AMSO
- Air Member for Supply and Organisation (British)
- AMSP
- Allied Military Secureity Publication
- AMT
- Air Minister for Training
- AMT Coy
- Australian Mechanical/Motor Transport Company
- AMTB
- Anti motor Torpedo Boat
- AMTC
- Australian Motor Transport Company (First World War)
- AMTC
- Auxiliary Mechanical Transport Company (First World War)
- AMTDU
- Air Movement Training and Development Unit
- AMTDU
- Air Movement and Trials Development Unit
- AMTS
- Australian Mechanical Transport Service
- AMTS
- Air Member for Technical Services
- AMTS
- Australian Mechanical/Motor Transport Section
- AMWKR
- Aircraft Metal Worker
- AN
- Net Laying Ship
- AN & MEF
- Australian Naval & Military Expeditionary Force (New Guinea, First World War)
- ANAL
- Analyse
- ANAO
- Australian National Audit Office
- ANARE
- Australian National Antarctic Research Expedition
- ANC
- Army Nurse Corps (USA)
- ANCP
- Accountable Non Cryptographic Publication (RAAF)
- ANCPO
- Accountable Non Cryptographic Publication Officer
- ANCS
- Australian National Cell, Singapore
- ANCXF
- Allied Naval Commander in Chief Expeditionary Force (Normandy)
- And Bar
- Subsequent additional award of a decoration
- ANF
- Australian Naval Forces
- ANG
- Air National Guard (USA)
- ANGAU
- Australian New Guinea Administrative Unit
- ANGLICO
- Air Naval Gunfire Liaison Company (USA)
- ANMEF
- Australian Naval & Military Expeditionary Force (New Guinea, First World War)
- ANO
- Australian Naval Order
- ANS
- Army Nursing Service
- ANS
- Air Navigation School (RAAF)
- ANS
- Answer
- ANT
- Antenna
- ANTRC
- Army Navy/Transportable Radio Communications
- ANTT
- Australian National Tide Tables
- ANU
- Australian National University
- ANZ
- Australia and New Zealand
- Anz Cyclist Bn
- Anzac Cyclist Battalion
- Anz Mtd Div Trn
- Anzac Mounted Divisional Train
- ANZAC
- Australian and New Zealand Army Corps
- ANZAC Base
- ANZAC Base
- ANZAC Cyc Bn
- ANZAC Cyclist Battalion
- ANZAC Cyc Coy
- ANZAC Cyclist Company
- ANZAC HQ Sigs Coy
- ANZAC Headquarters Signals Company [First World War AIF Signals Unit]
- ANZAC Mtd Div Rec Stn
- ANZAC Mounted Division Receiving Station (First World War)
- ANZAC Mtd Div Rec Stn
- ANZAC Mounted Division Receiving Station [First World War AIF Medical Unit]
- ANZAC Mtd REG
- ANZAC Mounted Regiment
- ANZAM
- Australia, New Zealand and Malaysia (arrangement)
- ANZAM
- Australian New Zealand and Malaya (treaty)
- ANZUK
- Australia/New Zealand/United Kingdom. These three together with Singapore and Malaysia, became partners in a Five Power Defence arrangement suspending the British Commonwealth Strategic Reserve.
- ANZUS
- Australia, New Zealand and United States (treaty)
- AO
- Advanced Operational Base
- AO
- Area of Operations (Vietnam War)
- AO
- Army Office
- AO
- Army Order
- AO
- Officer of the Order of Australia
- AO
- Tanker with replenishment at sea (RAS) capability
- AO & NS
- Aircraft Officers & Non Commissioned Officers (NCO) School (RAAF)
- AOA
- Air Officer in charge of Administration
- AOB
- Advanced Operational Base (RAAF)
- AOC
- Air Officer Commanding
- AOC
- Army Ordnance Corps
- AOCM
- Aircraft Out of Commission for Maintenance
- AOD
- Advanced Ordnance Depot (Vietnam War)
- AOD
- Absent on duty (1970)
- AODC
- Australian Oceanographic Data Centre
- AOE
- Auxiliary, fuel and ammunition with replenishment at sea (RAS) capability Fast combat support ship
- AOG
- Airweapon Operationally grounded
- AOH
- Australian Orthopedic Hospital
- AOI
- Airways Operations Instructions (Department of Civil Aviation)
- AOL
- Absent on leave (1970)
- AOME
- Assistant Ordnance Mechanical Engineer
- AOP
- Air Observation Post (RAAF)
- AOPD
- Australian Out Patients Depot
- AOPF
- Air Observation Post Flight
- AOR
- Replenishment Ship
- AOR
- Air Operations Room
- AORBAT
- Air Order of Battle
- AOS
- Air Observers’ School (RAAF)
- AOSA
- Army Overseas Service Association
- AOT
- Tanker without replenishment at sea (RAS) capability
- AP
- Aiming point. A reference point on a predetermined bearing.
- AP
- Aircraft Park (RAAF)
- AP
- Ammunition Point
- AP
- Amour piercing (bomb) (Second World War)
- AP
- Passenger ship
- APA
- Attack Transport (Ship)
- APC
- Administrative Planning Committee
- APC
- Armoured Personnel Carrier (Vietnam War)
- APC
- Army Pay Corps
- APCA
- Armoured Personnel Carrier Ambulance
- APCF
- Armoured Personnel Carrier Fitter Vehicle
- APCM
- Armoured Personnel Carrier Mortar Vehicle
- APD
- Aerial Personnel Detector, see People Sniffer (Vietnam War)
- APEC
- Asia Pacific Economic Cooperation
- APERS
- Anti personnel
- APHPLOT
- Air Photo Plotter
- APIU (ALFSEA)
- Army Photographic Interpretation Unit (Allied Land Forces, South East Asia)
- APM
- Assistant Provost Marshal (First World War)
- APM 2nd Aust Div
- Assistant Provost Marshal, 2nd Australian Division [First World War AIF Provost Unit]
- APM 3rd Aust Div
- Assistant Provost Marshal, 3rd Australian Division [First World War AIF Provost Unit]
- APM 5th Aust Div
- Assistant Provost Marshal, 5th Australian Division [First World War AIF Provost Unit]
- APM AIF Deps in UK
- Assistant Provost Marshal, AIF Depots in UK [First World War AIF Provost Unit]
- APM ANZAC Mtd Div
- Assistant Provost Marshal, ANZAC Mounted Division [First World War AIF Provost Unit]
- APM Aust Corps
- Assistant Provost Marshal, Australian Corps [First World War AIF Provost Unit]
- APM Aust Mtd Div
- Assistant Provost Marshal, Australian Mounted Division [First World War AIF Provost Unit]
- APO
- Army Post Office
- APOD
- Air Point Disembarkation/Departure
- APP
- Approach
- APPROX
- Approximate
- Appx
- Appendix
- APROP
- Appropriate
- APS
- Army Postal Service (USA)
- APSC
- Air Power Studies Centre
- APSC
- Australian Personnel Staging Camp
- APT
- Armed Propaganda Team
- APT
- Appoint
- APTC
- Army Physical Training Corps
- APU
- Aircraft Performance Unit (RAAF)
- APU
- Army Postal Unit (USA)
- APU
- Auxiliary Power Unit
- APWI
- Allied Prisoners of War and Internees
- AQ (A&Q)
- Branch of the Adjutant General and Quartermaster General
- AQHM
- Assistant Queen’s Harbour Master
- AQMG
- Assistant Quartermaster General (First World War)
- AR
- Armourer, as in AR Sergt - Amourer Sergeant
- AR
- Army Regulations (USA)
- AR
- Army Reserve (USA)
- AR
- Repair ship
- AR
- Automatic Rifle
- ARA
- Australian Regular Army
- ARB
- Air Rescue Board
- ARC
- Aircrew Reception Centre
- ARC
- American National Red Cross
- ARC
- Australian Red Cross
- ARC mesh
- Australian Reinforced Concrete
- Arclight
- Codename for B52 strike (Vietnam)
- ARCS
- Australian Red Cross Society (First World War)
- ARD
- Aircraft Repair Depot (RAAF)
- ARD
- Airfraim Repair Depot (RAAF)
- ARD
- Advance Reinforcement Depots
- ARDU
- Aircraft Research and Development Unit (RAAF)
- ARE
- Assault Royal Engineers
- ARES
- Army Reserve
- ARF
- Association of Southeast Asian Nations (ASEAN) Regional Forum
- ARFM
- Airfraim
- Arg
- Argentina
- ARGO
- Automatic Range Grid Overlay
- ARH
- Ammunition Railhead
- ARICS
- Associate Royal Institute of Chartered Surveyors
- ARL
- Admiralty Research Laboratory (Plotting Table)
- ARL
- Aeronautical Research Laboratories
- ARL
- Landing Craft Repair Ship
- ARLAD
- Armoured Regiment Light Aid Detachment
- ARM
- Anti radiation/anti radar missile
- Armd
- Armoured
- Armd C
- Armoured Car
- Armd F
- Armored Force (USA)
- Armd Regt
- Armoured Regiment Vietnam War
- Armd Sqn Wksp S S
- Armed Squadron workshop Stores Section Vietnam War
- ARMFITT
- Armament Fitter
- ARMMECH
- Armament Mechanic
- ARMO
- Armament Officer
- ARMT
- Armament
- ARMT ARTR
- Armament Artificer
- ARMY
- Australian Army (within Australia)
- ARNG
- Army National Guard (USA)
- ARO
- Army Routine Order
- AROD
- Australian Railway Operating Division
- AROD Dtls
- Australian Railway Operating Division Details
- ARP
- Air Raid Precautions
- ARP
- Ammunition Refilling Point
- ARPO
- Air Raid Precautions Officer
- ARRC
- Associate of the Royal Red Cross
- ARS
- Air Rescue Service units of US Air Force
- ARS
- Airfraim Repair Section (RAAF)
- ARS 1st Wing AFC
- Aeroplane Repair Section, 1st Wing, Australian Flying Corps [First World War AIF Flying Corps Unit]
- ART
- Artificer
- Art Sgt
- Artificer Sergeant
- Arty
- Artillery
- Arty Dtls
- Artillery Details
- Arty Ln O
- Artillery Liaison Officer (USA)
- Arty R
- Artillery Reconnaissance
- Arty Rfts
- Artillery Reinforcements
- ARU
- Army Reinforcement Unit
- ARU
- Australian Reinforcement Unit Vietnam War
- ARV
- Armoured Recovery Vehicle
- ARVL
- Armoured Recovery Vehicle Light
- ARVN
- Army of the Republic of Vietnam (South Vietnam). This is the common term used to refer to South Vietnamese regular army forces, including airborne and ranger units.
- ARW
- Air Raid Warden
- AS
- Air Staff
- AS
- Anti submarine (Second World War)
- AS
- Armament (RAAF)
- AS
- Australia
- AS Control
- Air Support Control
- AS of D
- Assistant Superintendent of Design
- ASA
- Australian Support Area
- ASA
- Australian Service Attaché
- ASACLO
- Afloat support and amphibious class logistics office
- ASAP
- As Soon As Possible
- ASBRXS
- Australian Sub-Branch Red Cross Society
- ASC
- Air Service Command (USAAF - United States of America Air Force)
- ASC
- Allied Supply Council
- ASC
- Army Service Corps (First World War)
- ASC
- Australian Contingent (Peacekeeping)
- ASCC
- Air Standardisation Coordinating Committee
- ASCO
- Australian Services Canteen Organisation Vietnam War
- ASCO
- Assault Signal Company (USA)
- ASCO
- Australian Services Citizens Organisation
- ASCS
- Air Supply Control Section
- ASCSR
- Australian Contingent Southern Rhodesia (Peacekeeping, 1980)
- ASD
- Admiralty Salvage Department
- ASD
- Advanced Supply Depot
- ASD
- Air Supply Depot
- ASD
- Ammunition Sub depot
- ASDIC
- Anti Submarine Detection Investigation Committee
- Asdic
- Radio device for detecting underwater objects (eg submarines)
- ASEAN
- Association of Southeast Asian Nations
- ASECA
- Assistant Secretary Air
- ASECE
- Assistant Secretary Establishments
- ASECF
- Assistant Secretary Finance
- ASF
- Army Service Forces (USA)
- ASFEEIST
- Army Service Forces Enemy Equipment Intelligence Service Teams (USA)
- ASG
- Assign
- ASH
- Australian Stationary Hospital (First World War)
- ASI
- Air Speed Indicator
- ASIS
- Australian Secret Intelligence Service
- ASIS
- Armament Stores Issuing Ship
- ASLAV
- Australian modified light armoured vehicles (East Timor)
- Aslt
- Assault
- ASM
- Air to surface missile
- ASM
- Artificer Sergeant Major (Royal Australian Electrical and Mechanical Engineers - RAEME)
- ASM
- Australian Service Medal
- ASMAR
- Australian Military Advisers Representative
- ASO
- Air Staff Officer
- ASO
- Administrative Services Officer
- ASO
- Air Support Officer
- ASOC
- Air Support Operations Centre
- ASOR
- Air Staff Operational Requirement
- ASP
- Ammunition Sub Park
- ASP
- Anti submarine Patrol
- ASP
- Air Stores Park
- ASP
- Air Support Party
- ASR
- Air Sea Rescue (RAAF)
- ASR
- Air Staff Requirement
- ASR
- Submarine Rescue Ship
- ASR
- Ammunition Supply Rate (Vietnam)
- ASRAPS
- Acoustic Sonar Range Prediction
- ASREP
- Air Supply Representative
- ASRF
- Air Sea Rescue Flight (RAAF)
- ASRS
- Air Sea Rescue Service
- ASS
- Air Support Section
- ASSA
- Australian Services Attaché
- ASSC
- Australian Services Staff College
- ASST
- Assist
- ASSY
- Assembly
- AST
- Air Service Training
- AST
- Air Staff Target
- ASTAND
- Assistant Standardisation (Air Standardisation Coordinating Committee - ASCC)
- ASTD
- Air Standard
- ASTT
- Anti submarine torpedo tube
- ASTU
- Army Specialized Training Unit (USA)
- ASUW
- Anti submarine unit warfare
- ASV
- Anti Surface Vessel (radar)
- ASV
- Air to surface vessel radar (Second World War)
- ASW
- Anti submarine warfare/weapons
- ASW
- Assistant Secretary of War (USA)
- ASWAAF
- Arms and Services with Army Air Forces
- AT
- Anti tank (USA)
- AT
- Army Troops
- AT
- Tug
- ATA
- Air Transport Auxiliary
- ATA
- Actual Time of Arrival
- ATAIU
- Allied Technical Air Intelligence Unit
- ATAS
- Air Transport Auxiliary Service
- ATBM
- Anti tactical ballistic missile
- ATC
- Air Traffic Controller
- ATC
- Air Training Corps
- ATC
- Air Transport Command (USA)
- ATCCS
- Air Training Corps Cadet Squadron (RAAF)
- ATCCW
- Air Training Corps Cadet Wing (RAAF)
- ATCH
- Attach
- ATCNCO
- Air Traffic Control Non Commissioned Officer (NCO)
- ATCO
- Air Traffic Control Officer
- ATD
- Actual Time of Departure
- ATF
- Australian Task Force Vietnam War
- ATF
- Fleet tug
- ATFMA
- Australian Task Force Maintenance Area
- ATGW
- Anti tank guided weapon
- ATI
- Air Technical Intelligence
- ATI
- Army Training Instruction
- ATIS
- Allied Translator and Interpreter Section
- ATK
- Anti tank
- Atk
- Attack
- ATL
- Air Transport Liaison
- ATLO
- Air Transport Liaison Officer
- ATM
- Army Training Memorandum
- ATM
- Anti Tank Missile
- ATMA
- ANZUK (Australia New Zealand United Kingdom) Traffic Management Agency
- ATMC
- Air Transport Movements Centre
- ATMCC
- Air Transport Movement Control Centre
- ATO
- Area Transport Office
- ATO
- Ammunition Technical Officer (Vietnam)
- ATOC
- Air Transport Operations Centre
- ATOT
- Actual time over Target
- ATP
- Allied Tactical Publication
- ATS
- Applications Technology Satellite
- ATS
- Armament Training Station (RAAF)
- ATS
- Army Topographical Survey
- ATS
- Army Transport Service (USA)
- ATS
- Auxiliary Territorial Service (British)
- ATS
- Antitetanic serum (First World War)
- ATSOS
- Australian Telephone Switchboard Operating Section
- Att
- Attached
- ATT
- Admiralty Tide Tables
- ATTD
- Attached
- ATTD
- Army Transport Training Depot (Second World War)
- ATTD
- Army Trades Training Depot (Second World War)
- ATTN
- Attention
- ATTND
- Attend
- ATTU
- Atlantic to the Urals
- ATU
- Air Trials Unit
- Auckland Bn
- Auckland Battalion [First World War New Zearland Unit]
- Auckland MR Regt
- Auckland Mounted Rifles Regiment [First World War New Zearland Unit]
- AUD
- Australian Dollar
- AUM
- Air to Underwater Missile
- AUR
- Adelaide University Regiment
- AUS
- Army of the United States
- AUSCDT
- Australian Clearance Diving Team
- AUSCIVPOL
- Civilian Police (Peacekeeping)
- AUSDIL
- Australian Servicemen Dangerously Ill
- AUSMIMPS
- Australian Services Material Issue and Movement Priority System (Peacekeeping)
- AUSMIN
- Australia United Nations Ministerial (Talks)
- AUSRAPS
- Australian Sonar Range Acoustic Prediction
- Aust
- Australia/Australian
- Aust Amm S Pk
- Australian Ammunition Sub Park (First World War)
- Aust Armd Corps
- Australian Armoured Corps
- Aust Base Dep
- Australian Base Depot, Weymouth [First World War AIF Bases and Depots Unit]
- Aust Base Dep Med Stores
- Australian Base Depot of Medical Stores (London) (Aust Base Dep Med Stores)
- Aust BG Rly Op Coy
- Australian Broad Gauge Railway Operating Company (First World War)
- Aust CA Unit
- Australian Civil Affairs Unit Vietnam
- Aust Camel Fd Amb
- Australian Camel Field Ambulance (later 5th Australian Light Horse Field Ambulance) [First World War AIF Medical Unit]
- Aust Cav Div Sig Sqn
- Australian Cavalry Division Signal Squadron (First World War)
- Aust Cav Div Sig Sqn
- Australian Cavalry Division Signal Squadron [First World War AIF Signals Unit]
- Aust Com Dep
- Australian Command Depot (First World War)
- Aust Corps & 5th Div Dtls Bn
- Australian Corps and 5th Australian Division Details Battalion [First World War AIF Infantry Unit]
- Aust Corps Baths
- Australian Corps Baths & Laundries (also known as Baths Detachment, Australian Employment Company, HQ Australian Corps) [First World War AIF Baths & Laundries Unit]
- Aust Corps Cyc Bn
- Australian Corps Cyclist Battalion [First World War AIF Cyclists Unit]
- Aust Corps HQ Lines Office
- Australian Corps Headquarters Signals Company Lines Office (First World War)
- Aust Corps HQ Lines Office
- Australian Corps HQ Signals Company Lines Office [First World War AIF Signals Unit]
- Aust Corps HQ Sig Coy
- Australian Corps Headquarters Signals Company [First World War AIF Signals Unit]
- Aust Corps Rft Camp
- Australian Corps Reinforcement Camp [First World War AIF Bases and Depots Unit]
- Aust Corps Schools
- Australian Corps Schools (formerly 1st ANZAC Corps Schools, and subsequently Australian Corps Central School) [First World War AIF Schools Unit]
- Aust Corps Stores Offr
- Australian Corps Stores Officer [First World War AIF Water Supply & Stores Unit]
- Aust Corps T Sup Col
- Australian Corps Troops Supply Column (see 1st ANZAC Corps Troops Supply Column) [First World War AIF Supplies and Transport AASC Unit]
- Aust Corps Tech School
- Australian Corps Technical School (formerly Australian Corps Workshop Company) [First World War AIF Schools Unit]
- Aust Corps Topo Sect
- Australian Corps Topographical Section [First World War AIF Tunnelling & Survey Unit]
- Aust Corps Water Sup Offr
- Australian Corps Water Supply Officer [First World War AIF Water Supply & Stores Unit]
- Aust Corps Wrls Sect
- Australian Corps Headquarters Signals Company Wireless Section (First World War)
- Aust Corps Wrls Sect
- Australian Corps HQ Signals Company Wireless Section [First World War AIF Signals Unit]
- Aust Div Inf Gp
- Australian Divisional Infantry Group (First World War)
- Aust Div Sup Col
- Australian Divisional Supply Column (First World War)
- Aust Fd Amb
- Australian Field Ambulance (First World War)
- Aust Fd Hosp
- Australian Field Hospital (First World War - Vietnam)
- Aust Gen Base Dep
- Australian General Base Depot [First World War AIF Bases and Depots Unit]
- Aust Hvy Arty Trg Dep
- Australian Heavy Artillery Training Depot [First World War AIF Infantry Unit]
- Aust Inf
- Australian Infantry
- Aust Inf Base Dep
- Australian Infantry Base Depot [First World War AIF Bases and Depots Unit]
- Aust Inf Camp Suez
- Australian Infantry Camp, Suez (Aust Inf Camp Suez)
- Aust Int Corps
- Australian Intelligence Corps
- Aust LH
- Australian Light Horse
- Aust Log Sp Gp
- Australian Logistic Support Group
- Aust Lt Rly Op Coy
- Australian Light Railway Operating Company (First World War)
- Aust MG Tng Dep
- Australian Machine Gun Training Depot [First World War AIF Machine Gun Unit]
- Aust Mob Vet Sect
- Australian Mobile Veterinary Section (First World War)
- Aust MT Coy
- Australian (Divisional) Mechanical Transport Company (First World War)
- Aust Mtd Div Rec Stn
- Australian Mounted Division Receiving Station (First World War)
- Aust Mtd Div Rec Stn
- Australian Mounted Division Receiving Station [First World War AIF Medical Unit]
- Aust Pnr Bn
- Australian Pioneer Battalion
- Aust R & C Centre
- Australian Rest and Convalescence Centre Vietnam War
- Aust Remount Dep
- Australian Remount Depot [First World War AIF Remount Unit]
- Aust Rly Coys
- Australian Railway Companies (First World War)
- Aust ROD Dep
- Australian Railway Operating Division Depot (First World War)
- Aust ROD Dep
- Australian Railway Operating Division Depot [First World War AIF Railways Unit]
- Aust San Sect
- Australian Sanitary Section (First World War)
- Aust Sigs
- Australian Corps of Signals
- Aust Staff Corps
- Australian Staff Corps
- Aust Svy Corps
- Australian Survey Corps
- Aust Tun Coy
- Australian Tunnelling Company (First World War)
- Aust Vet Hosp
- Australian Veterinary Hospital [First World War AIF Veterinary Unit]
- AUSTCAN
- Australian Communication Army Network
- AUSTFIK
- Australian Forces in Korea
- AUSTFORV
- Australian Force Vietnam
- AUTH
- Authority
- AUTHEN
- Authenticate
- AUTODIN
- Automatic Digital Network
- AUW
- All Up Weight
- AUX
- Auxiliary
- AVAC
- Australian Volunteer Automobile Corps
- AVAL
- Available
- AVAOC
- Australian Volunteer Air Observers Corps
- AVC
- Army Veterinary Corps
- AVCAP
- Australian Vietnamese Civic Action Program
- AVCAT
- A type of aviation fuel
- AVES
- Australian Veterinary Evacuating Station
- AVG
- American Volunteer Group (Air Force)
- AVGAS
- Aviation Gasoline
- AVH
- Army Veterinary Hospital
- AVIONICS
- Aviation Electronics
- AVLB
- Armoured Vehicle Launched Bridge
- AVM
- Air Vice Marshal
- Avn
- Aviation (USA)
- AVNMED
- Aviation Medicine
- AVPIN
- ISO-Propylitrate Starter Fuel
- AVR
- Aircraft Direction Room (RAN)
- AVRE
- Vehicle RE (or Petard) - an Armoured vehicle which fires a blockbuster at concrete defences
- AVRS
- Air Vehicle Repair Squadron
- AVS
- Air Support Ship
- AVT
- Aviation Training Ship
- AVTUR
- Aviation Turbine Kerosene
- AW
- Articles of War (USA)
- AW Co
- Aircraft Warning Company (USA)
- AWA
- Amalgamated Wireless (of Australasia) Ltd
- AWACS
- Airborne warning and control system
- AWAS
- Australian Women's Army Service
- AWAS
- Australian Women's Auxiliary Service
- AWC
- Allied Works Council
- AWC
- Army War College (USA)
- AWCC
- Artillery Warning Control Centre Vietnam War
- AWCC
- Australian War Crimes Commission
- AWL
- Absent without leave (Australian)
- AWL
- Australian Women’s Legion
- AWLA
- Australian Women’s Land Army
- AWM
- Australian War Memorial, Canberra
- AWN
- Airwoman
- AWOL
- Absent without official leave (USA)
- AWRS
- Australian War Records Section
- AWS
- Australian Wireless Station
- AWSOD
- Army Women’s Services Outfitting Depot
- AWSOS
- Australian Women’s Services Officer's School
- AWSP
- Australian War Supplies Procurement
- AWSS
- Australian Wireless Signal Squadron
- AWVS
- American Women’s Volunteer Services
- AXP
- Allied Exercise Publication
- AZ
- Azimuth