| Acronym | Meaning |
| FARP | Forward Arming And Refuelling Point / Forward Area Rearm/refuel Point |
| SR | ATGW -Short-Range Anti-Tank Guided Weapon |
| HCCI | Homogeneous Charge Compression Ignition |
| CAAT | OrCampaign Against Arms Trade - The Johns Hopkins Center For Alternatives To Animal Testing |
| D/B/A | Doing Business As |
| PAPI | Precision Approach Path Indicator (aviation) |
| JEFX | Joint Expeditionary Force EXperiment |
| METL | Mission Essential Task List (mettle) |
| DOHC | Dual-OverHead-Cam Engine |
| PIRA | Provisional Irish Republican Army |