| Acronym | Meaning |
| OSE | Own Separate Entrance |
| AF | Attofarad |
| WGS 84 | World Geodetic System 1984 |
| BX | Base EXchange -Brunei (FIPS 10-4 Country Code) |
| OPSI | Overwhelming Post Splenectomy Infection - UK Office Of Public Sector Information |
| FLOT | Forward Line Of Own Troops |
| NAVFOR | Naval Force |
| BYS | Byelorussian Soviet Socialist Republic (ISO 3166 Trigram; Obsolete Since 1992) |
| WMD | Weapon[s] Of Mass Destruction - World Movement For Democracy ? |
| ACLOS | Automatic CLOS (missile Control System) |