| Acronym | Meaning |
 | CAS | Chemical Abstracts Service - Chief Of The Air Staff - Close Air Support |
| OPCON | Operational Control |
| DBM | De Bellis Multitudinis (miniature Wargaming Rules) - Detection By Movement (military Target) |
| SE | Selenium |
| EZLN | Ej?rcito Zapatista De Liberaci›n Nacional (Spanish |
| AB | Able Seaman (rank) |
| LOSAT | Line-Of-Sight Anti-Tank (missile) |
| PN | Piconewton |
| SOS | Somali Shilling (ISO 4217 Currency Code) |
| TWI | The Welding Institute |
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