| Acronym | Meaning |
 | CIWS | Close-In Weapon System |
| FX | Firefox -Metropolitan France (ISO 3166 Digram; Obsolete 1997) |
| VIDS | Visual Information Display System |
| HOPI | Hybrid Optical And Packet Infrastructure (see Internet2 |
| MH | Millihenry |
| UCR | University Of Costa Rica |
| DU | Depleted Uranium -Dust (METAR Code) |
| SOT | Sotho Language (ISO 639-2 Code) |
| EMD | Electro-Motive Diesel - Engineering And Manufacturing Development - European Missile Defence |
| AH | Attack Helicopter |
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