| Abbreviation | Definition |
|---|---|
| MESE | Military Electronic Systems Engineering |
| MESF | Maritime Expeditionary Security Force |
| MESFET | Metal Semiconductor Field Effect Transistor |
| MESHA | Military and Emergency Services Health Australia |
| MESL | Military Exposure Surveillance Library |
| MESM | Mission Essential Subsystem Matrix |
| MESS | Miniature Electronic Support System |
| MESS | Multiple-Emulator Super System |
| MET | Materials Energy Toxicity |
| MET | Medium Earth Terminal (w/in CARS) |
| MET | Medium Equipment Transporter |
| MET | Meteorological |
| MET | Military Education and Training |
| MET | Multiple Errands Test |
| METAR | Meteorological Airfield Report |
| METAR | Meteorological Aviation Report |
| METARS | International Standard Code Format For Hourly Surface Weather Observations) |
| METARS | Routine Aviation Weather Report (Roughly Translated From French |
| METCON | Control of Meteorological Information (Roughly Translated From French) |
| METCON | Meteorological Control (Navy) |