| Abbreviation | Definition |
|---|---|
| MSI | Multispectral Imagery |
| MSI | Multi-Spectral Imagery |
| MSIAC | Modeling & Simulation Information Analysis Center |
| MSIC | Missile And Space Intelligence Center |
| MSIEP | Modeling and Simulation Implementation and Execution Plan |
| MSII | Second year of Military Science |
| MSIP | Multi- Spectral Imagery Processor |
| MSIP | Multi Stage Improvement Program |
| MSIP | Multiple Source Interface Processor |
| MSIP | Multi-Spectral Imagery Processor |
| MSIS | Modeling and Simulation Information System |
| MSK | Mission Support Kit |
| MSL | Master Station Log |
| MSL | Master Support List |
| MSL | Missile |
| MSLC | Military Superintendents Liaison Committee |
| MSLC | Multiple Sidelobe Canceller |
| MSM | Michigan State Militia |
| MSM | military service members |
| MSM | Mirror Signal Manoeuvre |