| Term | Definition / Meaning / Stand for |
| AA |
Anti-Aircraft |
| AA |
Anti-Aircraft |
| AAAP |
Accelerated Access Authorization Program |
| AAAW |
Advanced Airborne Anti-Armour Weapon |
| AAAW |
Advanced Anti Armour Weapon |
| AADEOS |
Advanced Air Defence Electro-Optical Sensor |
| AAM |
Air-to-Air Missile |
| AAVP |
Assault Amphibian Vehicle, Personnel |
| AAVR |
Assault Amphibian Vehicle, Recovery |
| ACV |
Armored Combat Vehicle |
| ADEN |
Armament Development Establishment Enfield |
| AFS |
Advanced Firearm System |
| AGM |
Air-to-Ground Missile |
| AK5 |
Adenylate Kinase 5 |
| AM |
Assault Machinegun |
| AMAP |
Advanced Modular Armor Protection |
| ARM |
Anti-Radiation Missile |
| ATAL |
Air To Air Launcher |
| ATGM |
Anti-Tank Guided Missile |
| AWB |
Assault Weapon Ban |
| AWC |
Advanced Weaponry Command |
| BAR |
Browning Automatic Rifle |
| BB |
Ball Bearing (used in BB guns) |
| BDM |
Bunker Defeat Munition |
| BGP |
Ballistic Gun Powder |
| BHRC |
Benefication and Hydrometallurgical Center |
| BJT |
Battlefield Jet Trainer |
| BP |
Ballistic Protection |
| BSR |
Battlefield Sniper Rifle |
| BX |
Battlefield Explosive |
| BZFS |
Battlefield Zone Firearm System |
| BZTRE |
Battlefield Zone Tactical Rapid Engagement |
| CADU |
Campaign Against Depleted Uranium |
| CAL |
Caliber |
| CASVAC |
Casualty Evacuation |
| CC |
Combat Cartridge |
| CCD |
Combat Control Device |
| CCW |
Carry Concealed Weapon |
| CDTE |
Counter Defilade Target Engagement |
| CE |
Combat Engineer |
| CET |
Combat Engineer Tractor |
| CEWs |
Conducted Electrical Weapons |
| CFV |
Cavalry Fighting Vehicle |
| CG |
Coast Guard |
| CLU |
Command Launch Unit |
| CLU |
Command Launch Unit |
| CM |
Countermeasure |
| CNR |
Compact Naval Rifle |
| CP |
Command Post |
| CQBR |
Close Quarters Battle Rifle |
| CRAM |
Counter Rocket, Artillery, and Mortar |
| CRS |
Compact Rifle System |
| CST |
Combat Sniper Training |
| CTBT |
Comprehensive Nuclear-Test-Ban Treaty |
| CTBTO |
Comprehensive Test Ban Treaty Organisation |
| CTBTO |
Comprehensive Test Ban Treaty Organization |
| CTM |
Counter-Terrorist Mission |
| CTT |
Combat Tactical Training |
| CV |
Combat Vehicle |
| CZ |
Česká Zbrojovka (Firearms Manufacturer) |
| CZ |
Crvena Zastava |
| CZI |
Compact Zero Impact |
| DAGR |
Direct Attack Guided Rocket |
| DAM |
Defense Advanced Munition |
| DAR |
Defensive Assault Rifle |
| DART |
Direct Attack Rocket Technology |
| DBM |
Digital Battle Management |
| DCA |
Defensive Combat Armor |
| DDM |
Designated Defensive Marksman |
| DEAPS |
Directed Energy Armor Protection System |