B 
BBC         British Broadcasting Corporation
BEF          British Expeditionary Force

C
CNN         Cable News Network
CO           Commanding Officer
CS           Close Support
CSM         Company Sergeant Major

D
DAK         Deutschland Africa Korps
DD           Duplex Drive
DFC          Distinguished  Flying Cross
DSC         Distinguished Service Cross
DMZ         De-Militarised Zone
DU           Depleted Uranium
DZ           Drop Zone

E
ECW         English Civil War


F
FA            Field Artillery

G
GOC        General Officer Commanding
GPMG       General Purpose Machine Gun
GS           General Support 

H
HAHO       High Altitude, High Opening
HALO        High Altitude, Low Opening
HE            High Explosive
HESH        High Explosive Squash Head
HF            High Frequency
HMG         Heavy Machine Gun
HMS          Her (His) Majesties Ship

I
IDF           Israeli Defence Force
IRA           Irish Republican Army

J 


K
KIA           Killed In Action

L
LCF           Landing Craft Flak
LCM          Landing Craft Mechanised
LCT           Landing Craft Tank
LCVP         Landing Craft Vehicle Personnel
LMG          Light Machine Gun
LRDG        Long Range Desert Group
LST           Landing Ship Tank
LZ             Landing Zone

M
MIA           Missing In Action
MMG          Medium Machine Gun
MSR          Main Supply Route 

N
NATO        North Atlantic Treaty Organisation
NBC          Nuclear Biological Chemical
NCO          Non Commissioned Officer

O
OC            Officer Commanding

P
PIRA         Provisional IRA 
PLA           Peoples Liberation Army
PLAAF       Peoples Liberation Army Air Force 
POD          Point Of Disembarkation
POW         Prisoner Of War

Q
QRF           Quick Reaction Force

R
RAF           Royal Air Force
RAS           Replenishment At Sea
RE             Royal Engineers
REME         Royal Electrical and Mechanical Engineers
RFC           Royal Flying Corps
RMAS         Royal Military Academy Sandhurst
RMP           Royal Military Police
RN             Royal Navy
RNFA          Royal Navy Fleet Auxillary
ROE            Rules Of Engagement
RR             Recoilless Rifle
RSM           Regimental Sergeant Major

S
SACEUR     Supreme Allied Commander Europe
SAS           Special Air Service
SBS           Special Boat Squadron
SNAFU       Situation Normal, All F**Ked Up 
SPG           Self Propelled Gun
SSM           Squadron Sergeant Major
SSN           Sub-surface Nuclear

T


U
UK             United Kingdom 
USA           United States of America
USAAF        United States Army Air Force
USMC         United States Marine Corps
USN           United States Navy
USS           United States Ship
USSR         Union of Soviet Socialist Republics

V
VC            Victoria Cross
VC            Viet Cong
VHF           Very High Frequency

W
WP            White Phosphorous
WRAC        Womens Royal Army Corps
WRAC        Warm Round And Cuddly

X


Y


Z