| Acronym | Meaning |
 | MC | Macao (FIPS 10-4 Territory Code) -Master Of Ceremonies -Megacoulomb -Military Cross (bravery Award) -Monaco (ISO 3166 Digram) -Mortar Carrier -Eleven Hundred (in Roman Numerals) |
| IVD | Internet Video Device |
| FLIR | Forward Looking InfraRed (sensor) |
| JDEM | Joint Dark Energy Mission |
| FIE | Fly-In Echelon |
| IVL | Inter-Visibility Line |
| NIO | Nicaraguayan Cordoba Oro (ISO 4217 Currency Code) |
| MHHW | Mean Higher High Water (nautical Charts) |
| GST | Goods And Services Tax (Australia |
| NOAO | National Optical Astronomy Observatory |
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