| Acronym | Meaning |
| IRO | International Refugee Organisation |
| REME | Royal Electrical And Mechanical Engineers |
| HL | Holding Line |
| TMTOWTDI | There's More Than One Way To Do It (from Perl) |
| EO | Esperanto Language (ISO 639-1 Code) |
| JSCSC | Joint Services Command And Staff College |
| AGTS | Advanced Gunnery Training System |
| EIC | East India Company |
| LDA | Lateral Drift Apparatus (paratroops) |
| BO2K | Back Orifice 2000 |