| Abbreviation | Definition |
|---|---|
| MSTS | Military Sea Transport Service |
| MSTS | Military Sea Transportation Service |
| MSTS | Multi-Source Tactical System |
| MSTS-A | Multi-Source Tactical System - Army |
| MSU | Major Subordinate Unit |
| MSU | Mobile Surgical Unit |
| MSV | Mine Sweeping Vehicle |
| MSV | Multi Service Vessel |
| MSWD | Multi-System Weapon Delivery |
| MSX | Midcourse Space Experiment |
| MT | Measurement Ton |
| MT | Metric Ton |
| MT | Military Technician |
| MT | Military Time |
| MT | Military Training |
| MT | Ministry Team |
| MT | Mobile Transporter |
| MT | Movement Tracker |
| MT/D | Measurement Tons Per Day |
| MTA | Major Training Area |