Library and Archives Canada
Symbol of the Government of Canada

Institutional links

Genealogy and Family History

What to Search: Topics


List of Abbreviations Used in Military Service Files

- A -

Abbreviation Meaning
11thIFofC 11th Regiment (Irish Fusiliers of Canada)
15thALI 15th Regiment (Argyll Light Infantry)
21AG 21st Army Group
29thHLI 29th Regiment (Highland Light Infantry of Canada)
2ndCOR 2nd Battalion Central Ontario Regiment
60thVRC 60th Battalion (Victoria Rifles of Canada)
(A) Air
A&Dbooks Admission & Discharge Books
A&FF Acceptance & Ferry Flight (129-Trenton)
A&Q Administrative Branches of the Staff
A&SHigh Argyle & Sutherland Highlanders of Canada (Princess Louise's)
A&T Administration and Training Staff
A&T Staff Administrative and Training Staff
A/ Acting (Rank)
A/ Assistant
A/A Anti-aircraft
A/A Army Act
A/Bandsmn Assisting Bandsman
A/Blkmth Acting Blacksmith
A/C Air Commodore
A/C Air Crew
A/C Aircraft
A/C Anti-Aircraft
A/C/M Air Chief Marshall
A/Capt Acting Captain
A/CNAS(E) Assistant Chief of Naval Administration and Supply (Equipment)
A/DMin Assistant Deputy Minister
A/DNS Assistant Director of Naval Stores
A/E Aeronautical Engineering in the Fleet Air Arm
A/EA Acting Electrical Artificer
A/ERA Acting Engine Room Artificer
A/G Anti-Gas
A/Joiner Acting Joiner
A/M Air Marshall
A/NCSO Acting Naval Control Service Officer
A/OA Acting Ordnance Artificer
A/P All Purpose
A/Plbr Acting Plumber
A/Pntr Acting Painter
A/RA Acting Radio Artificer
A/S Anti-Submarine
A/SA Anti-Submarine Artificer
A/SD Anti-Submarine Detector
A/Sec Assistant Secretary
A/Shpt Acting Shipwright
A/SO(CO) Acting Staff Officer (Combined Operations)
A/SSFO Anti-Submarine Ship Fitting Officer
A/STTV Anti-Submarine Target Towing Vessels
A/SYacht Anti-Submarine Yacht
A/T Anti-Tank
A/T Anti-Torpedo
A/V/M Air Vice-Marshall
A7Q Administrative Branches to the Staff
AA Active Army
AA Army Act
AA Anti-Aircraft
AA Anti-Aircraft Rate
AA Assistant Adjutant
AA&CD Anti-Aircraft Coast Defence
AA&QMG Assistant Adjutant and Quartermaster-General
AA(MG)BRCA Anti-Aircraft (Machine Gun) Battery, Royal Canadian Artillery
AA(MG)BRCAST Anti-Aircraft (Machine Gun) Battery, Royal Canadian Artillery Searchlight Troop
AA(MG)TRCA Anti-Aircraft (Machine Gun) Troop, Royal Canadian Artillery
AA/BA Acting Anti-Submarine Artificer
AAA Appointed Assistant Adjutant
AAAFCRCA Anti-Aircraft Artillery Formation Camp, Royal Canadian Artillery
AAARC Artillery Anti-Aircraft Reinforcement Camp
AAB"Z"F Anti-Aircraft Battery "Z" Force (Iceland)
AABS/LTRCA Anti-Aircraft Battery Searchlight Troop, Royal Canadian Artillery
AABSRCCS Anti-Aircraft Brigade Signals, Royal Canadian Corps of Signals
AABW/SRCOC Anti-Aircraft Brigade Workshop, Royal Canadian Ordnance Corps
AAG Assistant Adjutant-General
AAGORRCA Anti-Aircraft Gun Operations Room, Royal Canadian Artillery
AAI Allied Armies in Italy
AANS Army Auxiliary Nursing Service
AARRCA Anti-Aircraft Regiment, Royal Canadian Artillery
AAS Air Armament School
AAS/LCoy Anti-Aircraft Searchlight Company
AAUS&FWTC Anti-Aircraft Unit Staging & Fortress Weapon Training Camp
AB Able Seaman
ABCD Atomic, Biological, Chemical & Defensive Warfare Course
ABOCROC Armoured Brigade Ordnance Company, Royal Canadian Ordnance Corps
ABPO Army Base Post Office, Canadian Postal Corps
ABPostal Able Seaman (Postal)
ABranch Adjutant General's Branch
ABranch The Adjutant General's Branch of the Staff
Abs Absent, Absence
ABW/SRCOC Advanced Base Workshop (Royal Canadian Ordnance Corps)
AC Aircraft Carrier
AC Armoured Car
AC Aircraft Controlman
AC Army Corps
AC Ambulance Corps
AC Armourer's Crew
AC&R Appointments, Commissions and Rewards
AC&WSqn Aircraft Control & Warning Squadron
AC1 Aircraftman 1st Class
AC2 Aircraftman 2nd Class
ACBO Acting Bombardier
ACC Anglican Church of Canada
ACC(I) Atlantic Convoy Conference Minutes
AccKd Accidentally Killed
accn Accommodation
ACCPT Acting Captain
ACGS Assistant Chief of the General Staff
ACHQ Air Command Headquarters
ACHRCAMC Alton Convalescent Hospital, Royal Canadian Army Medical Corps
ACHU Armoured Corps Holding Unit
ACI Army Council Instruction
ACIAF Appraisal Course Interim Army Force
ACk Assistant Cook
AckAck Anti-Aircraft
AC-LT Acting Lieutenant
ACMF Allied Central Mediterranean Force
ACNI Assistant Commander of Naval Information
ACNS Assistant Chief of the Naval Staff
ACO Air Cadet Officer
ACOp Aircraft Control Operator
AC-OSAILS Army Co-operative Squad Air Intelligence Liaison Section
ACO-WPA Area Commandant Order - Work Point Area
ACPLofH Acting Corporal of Horse
AC-QM Acting Quarter Master
ACR Armoured Car Regiment
ACR(RCD) Armoured Car Regiment, Royal Canadian Dragoons
ACR(RCD)AP Armoured Car Regiment, Royal Canadian Dragoons Advanced Party
ACS Air Cadet Squadron
ACS Atlantic Command Signals
ACS Distinguishing Letters on Files of Joint Service Committee, Atlantic Coast
ACSAILSCASF Atlantic Command Squadron Army Intelligence Liaison Section, Canadian Active Service Force
AC-SE Acting Sergeant
ACSIC Atlantic Command Security Intelligence Section
ACSILS Atlantic Command Squadron Intelligence Liaison Section
ACSqn Army Co-operation Squadron (Royal Canadian Air Force)
ACSU Acting Surgeon
ACT Annual Camp Training
Act Acting (Rank)
ACU Aircrew Conditioning Units
ACV Aircraft Carrier Vessels
ACYCCorps Army Cyclist Corps
AD Administration & Discipline (Director of Organization)
AD Arvida Defences
AD Air Radio Mechanic (Air Radar)
AD&M Advanced Driving and Maintenance
AD&MS Advanced Driving and Maintenance School
AD&MTCRCAR Advanced Driving and Maintenance Training Centre, Royal Canadian Artillery Reinforcements
AD(Svy) Assistant Director of Surveys
ADAG Assistant Deputy Adjutant-General
ADB(RdeC)CICEC Airfield Defence Battalion (Regiment de Chateauguay) Canadian Infantry Corps, East Coast
ADC Aerodrome Defence Company
ADC Aide-de-Camp
ADC Aerodrome Defence Company
ADCP(N) Assistant Director Civilian Personnel (Navy)
ADDS Assistant Director of Dental Services
ADED Assistant Director of Engineer Development
ADES Assistant Director of Engineer Services
ADES Assistant Director of Educational Services
ADHOC(G) Ad Hoc Greek Battalion
ADIO Assistant Director of Internment Operations
Adj Adjutant
Adjt Adjutant
ADM Assistant Deputy Minister
Adm Admitted
Adm Administration
ADM(N) Assistant Deputy Minister (Naval)
AdmClk Administrative Clerk
Adm'd Admitted
ADMGO Assistant Deputy Master General of Ordnance
Admin Administration
ADMN Assistant Deputy Minister (Naval)
ADMS Assistant Director of Medical Services
ADNO Assistant Director Naval Ordnance
ADNP Assistant Director of Naval Personnel
ADOS Assistant Director of Ordnance Services
ADP Aerodrome Defence Platoon
ADQMG Assistant Deputy Quartermaster General
ADQMG(AE) Assistant Deputy Quartermaster General (Army Equipment)
ADRCAPC Aldershot Detachments, Royal Canadian Army Pay Corps
ADRCASC Area Detachment, Royal Canadian Army Service Corps
ADS Army Dressing Station
ADS Advanced Dressing Station
ADSRCS Armoured Divisional Signals, Royal Canadian Corps of Signals
ADTC(CAD)RCASC Armoured Division Troops Company (Canadian Armoured Division), Royal Canadian Army Service Corps
ADTCSRCASC (Armoured) Division Troop Carrying Section, Royal Canadian Army Service Corps
ADTD Assistant Director Technical Division
ADTech Air Defence Technician
ADUC Advanced Driving Universal Carriers
Adv Advance(d)
ADVS Assistant Director of Veterinary Services
Advtrg Advanced Training
ADW/SPACRCASC Advanced Detachment Workshop Pl Art Company, Royal Canadian Army Service Corps
AE Algerine Escorts
AEC Army Enlistment Centre
AED Ammunition Empties Detachment
AEF Allied Expeditionary Force
AEF American Expeditionary Force
AEinC Assistant Engineer in Chief (Naval)
AEM Air Engine Mechanic
AERE Aerospace Engineer
AETech Aero Engine Technician
AF Active Force
AF Air Fitter
AFBRCCS Army Field Brigade, Royal Canadian Corps of Signals
AFC Air Force Cross
AFC Armed Forces Council
AFHQ Allied Forces Headquarters
AFHQ Air Force Headquarters
AFM Air Force Medal
AFM Air Frame Mechanic
AFO Admiralty Fleet Orders
AFPac Allied Forces Pacific
AFRS Army Field Regiment Signal
AFRS Armed Forces Radio Service
AFRSRCASC Army Field Regiment Section, Royal Canadian Army Service Corps
AFS Advanced Flying School
AFSC Armed Forces Staff College
AFSCRCASC Armed Forces Sleeper Company, Royal Canadian Army Service Corps
AFSS Army Field Security Section
AFTech Airframe Technician
AFU Advance Flying Unit
AFU Air Fighting Unit
AFV Armoured Fighting Vehicle
AFVW/SSRCOC Armoured Fighting Vehicle Workshop Section, Royal Canadian Ordnance Corps
AFW/SRCOC Army Field Workshop, Royal Canadian Ordnance Corps
AG Adjutant General
AG Air Gunner
AG1, 2 o r3 Adjutant General Staff Officer 1, 2 or 3
AGB Adjutant General's Base
AGCB Awarded Good Conduct Badge
AGGTS Air Gunners Ground Training School
AGHU "A" Group Holding Unit
AGRA Army Group Royal Artillery
AGRCA Army Group Royal Canadian Artillery
AGRCAS Army Group Royal Canadian Artillery Signals
AGRE Army Group, Royal Engineers
AGRU "A" Group Reinforcement Unit
AGTS Aircrew Graduate Training Schools
AGYMST Army Gymnastic Staff
AH Aircraft Handler
AH Admiralty Fleet Order
AHC Army Hospital Corps
AHQ Army Headquarters
AHQCAPO Area Headquarters Canadian Army Post Office
AHU Administrative and Holding Units
AHU Artillery Holding Unit
AHU Administrative and Holding Unit
AI Acting Interpreter
AI Assistant Instructor
AIB "A" Infantry Battalion
AICVGOFC Angler Internment Camp Veterans Guard of Canada
AID Aeronautical Inspection District
AIEMSupt Aircraft Instrument and Electrical Maintenance Superintendent
AIF Australian Imperial Force
AIG Address Indicating Group
AILS(A)D Army Intelligence Liaison Section (Armoured) Division
AILSection Air Intelligence Liaison Section
AILSection Army Intelligence Liaison Section
AIR Assistant Instructor's Regiment
AirB Air Bomber
AirBosn Air Boatswain
AirlineCoy Airline Company, Royal Engineers
AirTCon Air Traffic Controller
AIS Aeronautical Inspectors School
AITC(R) Advanced Infantry Training Centre (Reserve)
AKA Also Known As
AL Air Mechanic (Electrics)
AL/CPL Acting Lance Corporal
ALC Assault Landing Craft
AlgR Algonquin Regiment
AlgR Algerine Escorts
ALI (15th Regiment) Argyll Light Infantry
Allce Allowance
ALO Australian Liaison Officer (Air)
ALOC Advanced Logistics Officers Course
ALQR Algonquin Regiment
Alta Alberta
AM Albert Medal
AM Air Mechanic
AM Naval Airman
AM Air Mechanic (1st, 2nd or 3rd Class)
AM(No) Admiralty Publication
AMAE Air Member for Aeronautical Engineering
AMAP Air Member Air Plan
AMAS Air Member for Air Staff
Amb Ambulance
AMB Armoured Motor Battery
AMC Alberni Military Camp
AMC Armed Merchant Cruiser
AMC Army Medical Centre
AMC Arnprior Military Camp
AMC Armed Merchant Cruiser
AMC Australian Medical Corps
AMCU Anti-Malarial Control Unit
AMD Auxiliary Manning Depot
Am'd Amended
AME Armament Maintenance Establishment
AMERCA Armament Maintenance Establishment, Royal Canadian Artillery
AMHRCAMC Alberni Military Hospital, Royal Canadian Army Medical Corps
AMHRCAMC Aldershot Military Hospital, Royal Canadian Army Medical Corps
AMHRCAMC Angler Military Hospital, Royal Canadian Army Medical Corps
AMHRCAMC Arvida Military Hospital, Royal Canadian Army Medical Corps
AmmnCol Ammunition Column
Amn Ammunition
AmoTech Ammunition Technician
AMP Air Member for Personnel
AMPTE Ambulance Private
AMS Air Member for Supply
AMS Assistant Military Secretary
AMS Army Medical Staff
AMSC Advanced Military Studies course
AMSupt Aircraft Maintenance Superintendent
AMT Air Member for Training
AMTRS Area Mechanical Transport Repair Shops
AMU Air Movements Unit
AN Air Mechanic (Engines)
ANAV Air Navigator
AND Admiralty Net Defence
ANS Air Navigation School
ANSec Assistant Naval Secretary
Anti-tk Anti-tank
ANZAC Australia and New Zealand Army Corps
AO Accountant Officer
AO Army Order
AO After Order
AO Air Mechanic (Ordnance)
AOC Air Officer Commanding
AOC Army Ordnance Corps
AOC-in-C Air Officer Commanding in Chief
AODRCOC Advanced Ordnance Depot, Royal Canadian Ordnance Corps
AOP Air Observation Post
AOPSRCA Air Observation Post Squadron, Royal Canadian Artillery
AOPSRCAF Air Observation Post Squadron, Royal Canadian Air Force
AOS Air Observer School
AOW/SRCOC Army Ordnance Workshop, Royal Canadian Ordnance Corps
AP Administration & Personnel Section (Organization)
AP Air Police
AP Apothecary
AP Aid Post
AP&Rs Appointments, Promotions and Retirement List
APA-TR (Advanced Party) Anti-Tank Regiment
APC Army Pay Corps
APCAS Administration Personnel Canadian Army Shows
APCASEU(AS) Administration Personnel Canadian Auxiliary Services Entertainment Unit (Army Shows)
APCBOW/SRCOC Advanced Party Canadian Base Ordnance Workshop, Royal Canadian Ordnance Corps
APCFC Advance Party Canadian Forestry Corps
APCHRCAMC Alderbrooke Park Convalescent Hospital, Royal Canadian Army Medical Corps
APCinC Air Officer Commanding-in-Chief
APD Army Provost Depot
APD Army Pay Department
APDOFPRCOC Advance Party Divisional Ordnance Field Park, Royal Canadian Ordnance Corps
APE Address Prior to Enlistment
APFARCAMC Advance Party Field Ambulance, Royal Canadian Army Medical Corps
APHQADADHQ Advanced Party Headquarters Armoured Division Advance Divisional Headquarters
APIS Air Photo Interpretation Section
APIS Army Photographic Interpretation Section
APISCintC Army Photographic Interpretation Section, Canadian Intelligence Corps
APLU Army Pay Ledger Unit
APM Assistant Provost Marshal
APOC Army Post Office Corps
Appces Appendices
Apptmts Appointments
APPU (Canadian) Army Photo Processing Unit, Canadian Intelligence Corps
APPUCPC Advance Party Postal Unit Canadian Postal Corps
Appx Appendix
APS Army Postal Service
APS(N) Assistant Private Secretary To the Minister (Navy)
APTo"Z"F Attached Personnel to "Z" Force (Iceland)
AQMG Assistant Quartermaster-General
AR Air Radio
AR Algonquin Regiment
AR Air Rigger
AR(1H)CACAP Armoured Regiment, (1st Hussars) Canadian Armoured Corps Advance Party
AR(BCD) Armoured Regiment, British Columbia Dragoons
AR(FGH) Armoured Regiment, (Fort Garry Horse)
AR(GGFG)AD Armoured Regiment, (Governor General's Horse Guards) Armoured Division
AR(GGHG)CA Armoured Regiment, (Governor General's Horse Guards) Canadian Army
AR(H) Armoured Regiment, (Hussars)
AR(LSH)(RC)AF Armoured Regiment, (Lord Strathcona's Horse) (Royal Canadians) Active Force
AR(LSH)AP Armoured Regiment, (Lord Strathcona's Horse) Advance Party
ARC Appraisal and Refresher Course
ARC Army Reception Centre
ARC Appraisal and Refresher Course
ARCM Associate, Royal College of Music
ARCR Armourer's Crew
ARD Alberta Regimental Depot
Area Engr Area Engineer
ARH Army Rail Head
ARITCIC Army Refuge Interrogation Team, Canadian Intelligence Corps
ARL Admiralty Research Laboratory
Arm(BorG) Armourer (Bombs or Guns)
Armd Armoured
Armr Armourer
ARmtSPC Armament Systems Performance Checker
ARO Administrative Routine Orders
ARO Admiralty Record Office
ARP Air Raid Precautions
ARRC Royal Red Cross (Associate)
ARRC Associate of the Royal Red Cross
Art Article
Art Artillery
ARTech Aircraft Refinishing Technician
ArtEngr Artificer Engineer
Arty Artillery
Arty Loc Artillery Locator
Arty Svy Artillery Surveyor
Arty Tech Artillery Technician
Artymn Artilleryman
ARU Artillery Reinforcement Unit
AS Air Secretary
AS Air Radio Mechanic (Air Wireless)
AS&DB Army Salvage & Disposal Board
ASADJ and 2L Assistant Adjutant and Second Lieutenant
AS and ACSU Assistant and Acting Surgeon
ASC Army Service Corps
ASC Advanced Surgical Centre
ASC Aerospace System Engineering Projects Officer
ASCA Auxiliary Services Canadian Army
ASCL Assistant Clerk
ASCO Assistant Commodore
ASCRCE Area Signal Company, Royal Canadian Engineers
ASD Army Schools Department
ASE Army Survey Establishment
ASF Active Service Force
ASGT Acting Sergeant
ASIN Assistant Engineer
ASJT Acting Sergeant
ASL Admiral Superintendent, Alexandria
ASLAD Army Signals Light Aid Detachment
ASNU Assistant Nurse
ASO Area Security Officer
ASO Armament Supply Officer
ASO Assistant Supply Officer
ASO(I) Assistant Staff Officer (Intelligence)
ASP Admiralty Salvage Pontoon
ASP Air Stores Park (406) (Royal Canadian Air Force)
ASPU Assistant Purveyor
ASR Submarine Rescue Vessel, Auxiliary (US)
ASS Army Staff Section
ASSAMVLH Assam Valley Light Horse
Asst Assistant
AsstNSec Assistant Naval Secretary
AsstPayr Assistant Paymaster
ASSU Air Support Signal Unit
ASSU Assistant Superintendant
ASTO Assistant Transport Officer
ASU Air Supply Unit
ASU Aircraft Storage Units
ASU Assistant Surgeon
ASV Anti-Surface Vessel
AsvyCoy Air Survey Company
ASW Anti-Submarine Warfare
AT Armoured Train
AT Auxiliary Tanker
AT Ocean-going Tug, Auxiliary (US)
AT Air Artificer (Airframes and Engines)
AT Auxiliary Tanker
AT Aviation Technician
ATA Air Transport Auxiliary (British)
ATB Allied Torpedo Boats
ATB(OR) Army Tank Battalion (Ontario Regiment)
ATBHSSRCOC Army Tank Brigade, Heavy Support Squadron, Royal Canadian Ordnance Corps
ATBOFPRCOC Army Tank Brigade, Ordnance Field Park, Royal Canadian Ordnance Corps
ATC Advance Training Centre
ATC Air Traffic Centre
ATC Airport Traffic Control (US)
ATC Air Traffic Control
ATCDE Awarded the Canadian Efficiency Decoration
ATCoy Army Troops Company
ATCR Advanced Training Centre Reserve
ATCRCE Army Troops Company, Royal Canadian Engineers
ATI Access to Information Act
Atk Anti-Tank
A-tk Anti-tank
Atl Atlantic
AtmstSTech Armament Systems Technician
ATO Air Treasury Office
ATO Aircraft Torpedo Office
ATO Ammunition Technical Officer
ATP Annual Training Pay
ATps Army Troops
ATps Army Troops Company
ATR Rescue Tug, Auxiliary (US)
ATR(1H) Army Tank Regiment (1st Hussars)
ATRRCACASF Anti-Tank Regiment, Royal Canadian Artillery, Canadian Active Service Force
ATS Army Trades School
Att Attached
ATTA Full duties and return for treatment
Attach Attached
Attachd Attached
ATTB Advance Tactical Training Base
ATTB Light Duties - Excused Physical Training Drill and Commanding Officer's Parades
ATTC Excused all duties - Confined to barracks or home
ATTC-48 Excused all duties for 48 hours
Att'd Attached
AttP Attached Personnel
ATTU Air Target Towing Unit
ATX Admiralty Trunk Exchange
AU Amplifier Unit
AUCWAC Administrative Unit Canadian Women's Army Corps
AudGeneral Auditor General (National Defence Staff)
AUS Army of the United States
Auth Authorized
Auth Authority
Auto Automobile
Aux Auxiliary
Aux Division of Auxiliary Services
Aux Serv Canadian Auxiliary Services
Aux(A) Senior Auxiliary Services Officer (Air)
Aux(N) Senior Auxiliary Services Officer (Naval)
AuxA/SA Auxiliary Anti-Aircraft Ships
AuxMS Auxiliary Minesweepers
AuxServ Canadian Auxiliary Services
AVC Army Veterinary Corps
AVD Seaplane Tender, Destroyer, Auxiliary (US)
AVGO Auxiliary Vessels Gunnery Officer
AVGP Armoured Vehicle General Purpose (Grizzly, Cougar and Bison)
AVM Air Vice-Marshal
AvnTech Aviation Technician
AVP Seaplane Tender (small) Auxiliary (US)
AVR Aircraft Rescue Vessel (US)
AVRE Armoured Vehicle, Royal Engineers
AVS Army Veterinary Service
AvsTech Avionics Technician
AW Administrative Writer
AW1 Aircraftwoman 1st Class
AW2 Aircraftwoman 2nd Class
AWC Air Weapons Control
AWC Air War College
AWCoy Artizan Works Company
Awdd Awarded
AWF Army War College Fellowship
AWL Away With Leave
AWL Absent With Leave
AWL Absent Without Leave
AWL Away Without Leave
AWOL Absent without leave
AWS Air War College Fellowship
AWSqn All-weather Squadron
AyrYeo Ayrshire Yeomanry