| Acronym | Meaning |
 | OP | Observation Point/Post |
| FL | Femtolitre |
| SLPS | Standard Litre Per Second (air Flow) |
| NRK | Norsk Rikskringkasting (Norwegian Broadcasting Corporation) |
| RTA | Road Traffic Accident (British) |
| SSGN | Nuclear-Powered Guided Missile Submarine (US Navy Hull Classification) |
| MMOR | Master Of Management In Operations Research |
| MU | Mauritius (ISO 3166 Digram) - Oman (FIPS 10-4 Country Code; From Muscat) |
| IGS | International Ground Station |
| OODA | Observation |
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