| Abbreviation | Definition |
|---|---|
| MUIA | Military Uniforms in America (Company of Military Historians) |
| MUL | Master Urgency List (DOD) |
| MULE | Modular Universal Laser Equipment |
| MULO | Multipurpose Overboot |
| MULTACK | Multiple Target Attack |
| MULTEWS | Multiple Target Electronic Warfare System |
| MULTEWS-A | MULTEWS, Airborne |
| MULTEWS-A | MULtiple Target Electronic Warfare System, Airborne |
| MUM | Manned Unmanned Military |
| MUMMEN | Many Uniformed Military Men |
| MUMT | manned-unmanned teaming |
| MUP | Metrics Utilization Plan |
| MUREP | Munitions Report |
| MUSARC | Major United States Army Reserve Command |
| MUSARC | Major United States Army Reserve Commands |
| MUSARC | Major USAR Command |
| MUSE | Mobile Utilities Support Equipment |
| MUSE | Multiple Unified Simulation Environment |
| MUST | Medical Unit, Self-Contained, Transportable |
| MUST | Multi-mission UHF (Ultra-High Frequency) SATCOM (SATellite COMmunications) Terminal |