| Abbreviation | Definition |
|---|---|
| MAST | Military Assistance to Safety and Traffic |
| MAST | Mobile Army Surgical Team |
| MAST | Mobile Ashore Support Terminal |
| MASTER | Manufacturing and Structures Technology for Efficient Rotorcraft |
| MASTERS | Meeting Achievement And Success Through Effective Retention Strategies |
| MASTR | Multiple Assets Status Report |
| MASTS | Manned Aerial Surveillance and Target Acquisition System |
| MASW | Mission Application Software |
| MAT | Medical Analysis Tool |
| MAT | Minimum Activity Tour |
| MAT | Mobile Advisory Team |
| MAT | Mobilization Assistance Team |
| MAT | Module Acceptance Test |
| MATA | Military Advisor Training Academy |
| MATC | Military Amputee Training Center |
| MATCALS | Marine Air Traffic Control and Landing System |
| MATCF | Marine Air Traffic Control Facility |
| MATCS | Marine Air Traffic Control Squadron |
| MATDEV | Materiel Developer |
| MATE | Message Activate Tactics And Experience |