Standard military abbreviations and acronyms are used here. Some are specific to the DFI (Defence Forces Ireland) and examples are shown below:
.5 - 12.7mm (.5 inch) Heavy Machine Gun
2 E Bde - 2 Eastern Brigade
2/Lt - Second Lieutenant
2ic - Second in Command
60 - 60mm Mortar
81 - 81mm Mortar
84 - 84mm Anti Tank Recoilless Rifle
APIHC - Armour Piercing Incendiary Hard Core
ATCP - Aid to the civil power
AUG -Armee Universal Gewehr (Steyr: translated as Universal Army Gun)
BAP - Browning Automatic Pistol
Brig Gen - Brigadier General
Capt - Captain
CEFO - Combat Equipment Fighting Order
CEMO - Combat Equipment Marching Order
CIS - Communications and Information Services Corps
CO - Commanding Officer
Col - Colonel
Comdt - Commandant
Coy - Company
Cpl - Corporal
CQB - Close Quarters Battle
CQMS - Company Quartermaster Sergeant
CRDT - Compulsory Random Drug Testing
CS - Company Sergeant
DC - Detachment Commander
DF - Defence Forces
DFHQ - Defence Forces Headquarters
DFTC - Defence Forces Training Centre
DIBUA - Defence in Built Up Areas
DOD - Department of Defence
DPM - Disruptive Pattern Material
ERRF - European Rapid Reaction Force
FAL (FN FAL) - Fusil Automatique Léger (Light Automatic Rifle)
FCÁ - Foras Cosanta Áitiúil
FFR - Fitted For Radio
FIBUA - Fighting in Built Up Areas
FN - Fabrique Nationale
FUP - Form Up Point
G1 - Recruit (Priavte Grade 1)
Gnr - Gunner
GPMG - General Purpose Machine Gun
GPMG SF - General Purpose Machine Gun Sustained Fire Role
HE - High Explosive
HEAP - High Explosive Anti Personnel
HEAT - High Explosive Anti Tank
HGV - Heavy Goods Vehicle
HMG - Heavy Machine Gun
HQ - Headquarters
HQ COY - Headquaters Company
IAC - Irish Aer Corps
ic - In Command
Illum - Illumination
Inf Bn - Infantry Battalion
LDF - Local Defence Force
LMG - Light Machine Gun
LMLB - Light Mortar, Long Barrel
Lt - Lieutenant
Lt Col - Lieutenant Colonel
Lt Gen - Lieutenant General
MAG - Mitrailleuse d'Appui General (GPMG)
Maj Gen - Major General
MFC - Mortar Fire Controller
Mk - Mark
MMG - Medium Machine Gun
MOI - Method of Instruction
NATO - North Atlantic Treaty Organisation
NCO - Non Commissioned Officer
NS - Naval Service
NSR - Naval Service Reserve
OC - Officer Commanding
OiC - Officer in Charge
OS - Ordnance Survey
PDF - Permanent Defence Force
PLCE - Personal Load Carrying Equipment
PNCO - Potential Non Commissioned Officer
Pte - Private
QCB - Quick Changeable Barrel
RDF - Reserve Defence Force
RDFRA - Reserve Defence Force Representative Association
RDFTA - Reserve Defence Forces Training Authority
Res Inf Bn - Reserve Infantry Battalion
Rfmn - Rifleman
SDA - Security Duty Allowance
SGT - Sergeant
SINCGAR - Single Channel Ground and Airborne Radio System
T & E - Traversing and Elevation
TOET - Test of Elementary Training
TPTP - Target Practice Tracer Projectile