| Abbreviation | Definition |
|---|---|
| MTA | Marseilles Training Area |
| MTA | Message Traffic Analysis |
| MTA | Message Transfer Agent |
| MTA | Military Training Agreement |
| MTAC | Military Teen Adventure Camps |
| MTACCS | Marine Corps Tactical Command and Control System |
| MTADS | Mass Tactical Aerial Delivery System |
| MTAP | Military Training Assistance Program |
| M-TAP | Multifunction Target Acquisition Processor |
| M-TAP | ultifunction Target Acquisition Processor |
| MTB | Motor Torpedo Boats |
| MTBCF | Mean Time Between Critical Failure |
| MTBDE | Mean Time Between Downing Events |
| MTBF | Mean Time Between Failures |
| mTBI | mild traumatic brain injury |
| MTBMA | Mean Time Between Maintenance Actions |
| MTBMF | Mean Time Between Mission Failure |
| MTBOMF | Mean Time Between Operational Mission Failure |
| MTBOMF | Mean Time Between Operational Mission Failures |
| MTBOR | Mobilization Training Base Output Requirements |