| Abbreviation | Definition |
|---|---|
| MAFSS | Mobile Automated Fuel Service Station |
| MAG | Magazine |
| MAG | Marine Aircraft Group |
| MAG | Mines Advisory Group |
| MAGG | Military Assistance Advisory Group |
| MAGIC | metabolic assistance group intervention clinic |
| MAGIC | Military Advisory Group in China |
| MAGIC | Multi-dimensional Applications and Gigabit Internetwork Consortium |
| MAGIC | Multidimensional Applications and Gigabit Internet-work Consortium |
| MAGIIC | Mobile Ground Imagery Interpretation Center |
| MAGIS | Marine Air Ground Intelligence System |
| MAGR | Miniaturized Airborne GPS Receiver |
| MAGTF | ACE Marine Air-Ground Task Force Aviation Combat Element |
| MAGTF | Marine Air-Ground Task Force |
| MAGTFACE | Marine Air-Ground Task Force Aviation Combat Element |
| MAIN | Main Command Post |
| MAINT | MAINTenance |
| MAIRS | Military Airlift Integrated Reporting System |
| MAIS | Mobile Automated Information System |
| MAISRC | Major Automated Info System Review Council |