www.canadiansoldiers.com

The following is a list of commonly encountered Abbreviations. The list should not be considered exhaustive; as well, bear in mind that abbreviations, like language, have evolved over time. The use of periods in abbreviations was common in the first half of the 20th Century; they are excluded here for clarity. Definitions of the terms are linked to where appropriate, as well as dates of usage and other pertinent information.

A

AA	Anti-Aircraft
AAG	Arrival Assistance Group
AAGOR/AAOR	Anti-Aircraft Gun Operation(s) Room
AA S/L	Anti-Aircraft Searchlight
AAW	Anti-Air Warfare
A/B	Airborne (Second World War)
A/Bde	Armoured Brigade
ACI	Army Council Instruction(s) (British)
Ack Ack	Anti-Aircraft
ADATS	Air Defence Anti Tank System
A/Div	Armoured Division
Adm	Administration
ADM	Assistant Deputy Minister
ADS	Advanced Dressing Station
AFV	Armoured Fighting Vehicle
AFHQ	Allied Force Headquarters
AG	Adjutant General
AGRA	Army Group, Royal Artillery
AHQ	Army Headquarters
AIF	Australian Imperial Force
Ammo	Ammunition
Amn	Ammunition
ANZAC	Australian and New Zealand Army Corps
AOP	Air Observation Post
APC	Armoured Personnel Carrier
Armd	Armoured
Arty	Artillery
ASSU	Air Support Signal Unit
A/T or A/Tk	Anti-Tank
Aux	Auxiliary
AVGP	Armoured Vehicle, General Purpose
AWL / AWOL	Absent Without Leave

B

Bde	Brigade
BEF	British Expeditionary Force
BHQ	Battery Headquarters
Bn	Battalion
BOH	British Official History
Br	British
Brit	British
Bty	Battery

C

CAMC	Canadian Army Medical Corps
CAR	Canadian Army Registration
CARU	Canadian Artillery Reinforcement Unit
CATC	Canadian Artillery Training Centre
Cav	Cavalry
CBRG	Canadian Base Reinforcement Group
CBSO	Counter Battery Staff Officer
CBG	Canadian Brigade Group
CCHA	Canadian Corps Heavy Artillery
Cdn	Canadian
CE	Canadian Engineers
CEF	Canadian Expeditionary Force
CFA	Canadian Field Artillery
CFC	Canadian Forestry Corps
CFR	Canadian Forces Registration
CGA	Canadian Garrison Artillery
CMBG	Canadian Mechanized Brigade Group
CMMG	Canadian Motor Machine Gun
C of E	Church of England
Comd	Commander
compt	comptroller
COMSAT	communications satellite
COMSEC	communications security
COMSEC C	communications security custodian
COMSEC O	communications security officer
con	control
conc	concentrate, concentration
conf	conference
confd	confidential
const	construct
cont	continue
contam	contaminate, contamination
conv	convalescent
coord	co-ordinate, co-ordination
corps tps	corps troops
CORCC	Canadian Overseas Railway Construction
COS	change of strength
COS	chief of staff
COSCOM	corps support command
Coy	Company
CP	collective protection
CP	command post
CPO	civilian personnel officer
CPSS	Canadian Pacific Steam Ship
CPX	Command Post Exercise
CR	central registry
CRA	compulsory retirement age
CRAA	corps rear administrative area
CRC	control and reporting centre
CRLE	Canadian Radio Location Establishment
CRT	Canadian Railway Troops
CWAC	Canadian Women's Army Corps
CWNS	Canadian War Narrative Section
CWRO	Canadian War Records Office

D

DA	District Account
DA	Dominion Arsenal
DAG	Departure Assistance Group
DD	Deputy Director
DD	Duplex Drive
DHS (D Hist)	Director Historical Section
Div	Division
DND	Department of National Defence
DOC	District Officer Commanding
D-Q Line	Drocourt-Qu�ant Line

E

EEF	Egyptian Expeditionary Force
E&N	Esquimalt and Nanaimo Railway
Engrs	Engineers

F

Fd	Field (used in unit designations, ie Field Ambulance, Field Battery, Field Squadron etc.)
FOO	Forward Observation Officer
FS	French Speaking
FUP	Forming Up Point

G

GHQ	General Headquarters
GO	General Order
GS	General Service
GS	General Staff
GSW	Gun Shot Wound

H

HAA	Heavy Anti-Aircraft
HD	Home Defence
HMCS	Her (His) Majesty's Canadian Ship
HMG	Heavy Machine Gun
HMS	Her (His) Majesty's Ship (British)
How	Howitzer
HQ	Headquarters
HT	Horse Transport

I

Inf	Infantry
IsG	Instructors in Gunnery

J

K

KATCOM

Korean Augment To Commonwealth (Division)

L

LOB	Left Out of Battle
LOD	Line of Departure
L of C	Line(s) of Communication

M

M and D	Medicine and Duty
MD	Military District
Meteor	Meteorological Report
Met Rep	Meteorological Report
MG	Machine Gun
MMG	Medium Machine Gun
MMG	Motor Machine Gun
MOU	Memorandum of Understanding
MSB	Military Service Branch
MT	Mechanical Transport

N

NCM	Non-Commissioned Member
NCO	Non-Commissioned Officer
No	Number
NPAM	Non-Permanent Active Militia
NREF	North Russia Expeditionary Force

O

O Grp	Orders Group or O-Group
OMFC	Overseas Military Forces of Canada
OP	Observation Post
ORs	Other Ranks
OS	Overseas

P

PAC	Public Archives of Canada
PC	Privy Council
PF	Permanent Force
Pr	Pounder (as in artillery designations)

Q

QF	Quick Firing

R

RA	Royal Artillery (British Army)
RAF	Royal Air Force (British)
RAP	Regimental Aid Post
Rats	Rations
RCA	Royal Canadian Artillery
RCAF	Royal Canadian Air Force
RC	Roman Catholic
RCE	Royal Canadian Engineers
RE	Royal Engineers (British Army)
Recce	Reconnaissance
RFC	Royal Flying Corps (British Army)
Reinf	Reinforcement(s)
RN	Royal Navy (British)
RNAS	Royal Naval Air Service (British)
RNWMP	Royal North-West Mounted Police
RO	Routine Order(s)
R & Q	Rations and Quarters

S

Sec	Secretary
Sec	Section
SIN	Social Insurance Number
SIW	Self Inflicted Wound
SL	Start Line
SN	Service Number
SOS	Struck off strength
Sqn	Squadron
Stat	Stationary
Svy	Survey

T

Tel	Telegram
TEWT	Tactical Exercise Without Troops
TOS	Taken On Strength
TOS	Tam O'Shanter
Tp	Troop
Trg	Training

U

V

VD	Venereal Disease

W

WD	War Diary
WO	War Office (British)

X

Y

YMCA	Young Men's Christian Association

Z

� canadiansoldiers.com 1999-present