| Acronym | Meaning |
 | MLT | Malta (ISO 3166 Trigram) |
| NSA | U.S. National Security Agency - Naval Support Activity - No Strings Attached |
| OODA | Observation |
| POLAD | Political Advice |
| GRN | Guaran Language (ISO 639-2 Code) |
| NAMBLA | North American Man-Boy Love Association |
| ASD(LA) | (U.S.) Assistant Secretary Of Defense (Legislative Affairs) |
| NST | (UK) Nimrod Software Team |
| CS | Combat Support - Computer Scientist -Costa Rica (FIPS 10-4 Country Code) - Serbia And Montenegro (ISO 3166 Digram) |
| USNO | U.S. Naval Observatory |
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