| Acronym | Meaning |
 | TACAN | Tactical Air Navigation |
| OSS | Office Of Strategic Services (1942?1945 |
| RCAF | Royal Canadian Air Force |
| NISCAP | NSA Information System Certification And Accreditation Program |
| NWA | National Wrestling Alliance |
| AN | Aragonese Language (ISO 639-1 Code) |
| SRBM | Short-Range Ballistic Missile (cf. IRBM |
| TARDIS | Time And Relative Dimensions In Space (from Doctor Who) |
| INSAR | Interferometric Synthetic Aperture Radar |
| MH | Millihenry |
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