| Abbreviation | Definition |
|---|---|
| EMPRS | Electronic Military Personnel Record System |
| EMPRS | Electronic Military Personnel Records system |
| EMPRS | Equipment Maintenance and Performance Reporting System |
| EMPS | Expanded Modular Power System |
| EMR | Electromagnetic Radiation |
| EMR | Electro-Magnetic Radiation |
| EMR | Hazards Electromagnetic Radiation Hazards |
| EMRAAT | Extended Medium Range Air to Air Technologies |
| EMRAAT | xtended Medium Range Air to Air Technologies |
| EMRG | Electro-Magnetic Rail Gun |
| EMRO | Electromagnetic Radiation Operation |
| EMS | ElectroMagnetic Spectrum |
| EMS3 | Enterprise Mission Support Services Solutions |
| EMSEC | Emanations Security |
| EMT | emergency medical tag |
| EMT | Emergency Medical Technician |
| EMT | Extended Mobility Tire |
| EMTF | Expeditionary Mobility Task Force |
| EMTI | ASARS II Enhanced Moving Target Indicator |
| EMU | Experimental Military Unit |