| Acronym | Meaning |
| ONS | Operational Needs Statement |
| NSS | (U.S.) Naval Simulation System |
| TAT | Tatar Language (ISO 639-2 Code) |
| NAU | Nauruan Language (ISO 639-2 Code) |
| QVC | Quality |
| LBP | Lebanese Pound (ISO 4217 Currency Code) |
| BSN | Bachelor Of Science In Nursing |
| WK | Wake Island (ISO 3166 Digram |
| CHL | Chile (ISO 3166 Trigram) |
| SUN | Soviet Union (ISO 3166 Trigram; Obsolete 1992) |