| Acronym | Meaning |
| MS | Malay Language (ISO 639-1 Code) - Millisecond |
| VCNO | (U.S.) Vice Chief Of Naval Operations |
| JPN | Japanese Language (ISO 639-2 Code) |
| NRO | U.S. National Reconnaissance Office |
| MWR | Morale |
| WHAM | Wisconsin Hydrogen-Alpha Mapping (telescope) |
| NISCAP | NSA Information System Certification And Accreditation Program |
| MT | Maltese Language (ISO 639-1 Code) |
| GMPCS | Global Mobile Personal Communications By Satellite |
| EZ | Czech Republic (FIPS 10-4 Country Code) -Extraction Zone |