| Acronym | Meaning |
| MKSA | Metre-Kilogram-Second-Ampere (system Of Units) |
| CFLCC | Coalition Forces Land Component Command |
| DHSS | UK Department Of Health And Social Security |
| PIRA | Provisional Irish Republican Army |
| PJS | Pajamas (pee-jayz) |
| LWR | Laser Warning Receiver |
| ISTC | U.K. Institute Of Scientific And Technical Communications |
| NISCAP | NSA Information System Certification And Accreditation Program |
| NSAID | Non-Steroidal Anti-Inflammatory Drug |
| G20 | Group Of 20 (G8 + Argentina |