| Abbreviation | Definition |
|---|---|
| MGI | Military Geographic Information |
| MGM | Master Group Multiplexer |
| MGM | More Good Men |
| MGM-31 | ershing Missile |
| MGM-31 | Pershing Missile |
| MGM-51 | hillelagh Missile |
| MGM-51 | Shillelagh Missile |
| MGM-52 | ance Missile |
| MGM-52 | Lance Missile |
| MGMT | Management |
| MGO | Mission, Goals, Objectives |
| MGP | Military Guard Personnel |
| MGR | Military Grid Reference |
| MGRS | Military Graphic Reference System |
| MGRS | Military Grid Reference System |
| MGRS | Military Grid Reference Systems |
| MGS | Main Gun System |
| MGS | Mission Ground Station |
| MGS | Mobile Ground System |
| MGSM | Military General Service Medal |