| Acronym | Meaning |
| NU | Nicaragua (FIPS 10-4 Country Code) - Niue (ISO 3166 Digram) - Nunavut (postal Symbol) |
| AMFRS | Advanced Multi-Function Radio Frequency System - Automatic Multisensor Feature-based Recognition System |
| FE | Fully Exposed (armoured Vehicle Target |
| MGA | Malagasy Ariary (ISO 4217 Currency Code) |
| DMZ | DeMilitarized Zone |
| MHW | Mean High Water (nautical Charts) |
| AGARDOGRAPH | Advanced Guidance For Alliance Research And Development Publication |
| MLHW | Mean Lower High Water (nautical Charts) |
| FEMA | U.S. Federal Emergency Management Agency |
| LOMEZ | Low Altitude Missile Engagement Zone |