| Abbreviation | Definition |
|---|---|
| MSE | Missile Segment Enhancement |
| MSE | Mission Support Element |
| MSE | Mobile Subscriber Equipment |
| MSE | Multiple Silo Echelon |
| MSEC | MilliSECond |
| MSECR | HIS 6000 Security Module |
| MSEG&C | Multi- Spectral Environmental Generator and Chamber |
| MSEG&C | Multi-Spectral Environmental Generator and Chamber |
| MSEL | Master Scenario Events List |
| MSEP | Maintenance Standardization Evaluation Program |
| MSETPN | Mobile Subscriber Equipment Tactical Packet Network |
| MSE-TPN | Mobile Subscriber Equipment Tactical Packet Network |
| MSEU | Mass Storage Expansion Unit |
| MSF | Message Security Filter |
| MSF | Mission Support Force |
| MSF | Mission Support Forces |
| MSF | Mobile Security Force |
| MSF | Mobile Strike Force |
| MSF | MRAP Sustainment Facility |
| MSF | Multiplex Signal Format |