| AD | Armored Division |
| AI | Amnesty International |
| AO | Area of Operations |
| AQI | Al Qaeda of Iraq |
| ARVN | Army of the Republic of Vietnam |
| ASU | Active Service Unit |
| BCT | Brigade Combat Team |
| BPC | Bataillon de parachutistes coloniaux (colonial parachute battalion) |
| CF | Coalition Forces |
| COP | Combat Outpost |
| DMZ | Demilitarized Zone |
| DRV | Democratic Republic of Vietnam |
| EOD | Explosive Ordnance Disposal |
| FOB | Forward Operating Base |
| HRW | Human Rights Watch |
| HUMINT | Human Intelligence |
| IDF | Israeli Defense Force |
| IED | Improvised Explosive Device |
| INLA | Irish National Liberation Army |
| IRA | Irish Republican Army |
| KPA | North Korean People’s Army |
| LAW | Light Antitank Weapon |
| LVT | Landing Vehicle Tracked |
| MACV | Military Assistance Command Vietnam |
| MLRS | Multiple-Launch Rocket System |
| MNFW | Multinational Forces West |
| MSR | Main Supply Route |
| NICRA | Northern Ireland Civil Rights Assocation |
| OIF | Operation Iraqi Freedom |
| PA | Palestinian Authority |
| PAVN | People’s Army of Vietnam |
| PIRA | Provisional Irish Republican Army |
| RCT | Regimental Combat Team |
| REP | Régiment Étranger de Parachutistes (Foreign Legion |
| parachute regiment) | |
| RIRA | Real Irish Republican Army |
| ROKA | Republic of Korea Army |
| RPC | Régiments de Parachutistes Coloniaux (colonial para regiment) |
| RUC | Royal Ulster Constabulary |
| RVN | Republic of Vietnam |
| SAS | Special Air Service |
| SEAL | Sea Air Land Team |
| SURC | Small Unit Riverine Craft |
| TACP | Tactical Air Control Party |
| TF | Task Force |
| UAV | Unmanned Aerial Vehicle |
| UDR | Ulster Defence Regiment |
| UFF | Ulster Freedom Fighters |
| UK | United Kingdom |
| UN | United Nations |
| UNRWA | United Nations Relief and Works Agency |
| US | United States |
| UVF | Ulster Volunteer Force |
| VBIED | Vehicle Borne Improvised Explosive Device |
| VNMC | Vietnamese Marine Corps |