| Abbreviation | Definition |
|---|---|
| MCS | Modular Causeway System |
| MCS | Multiple chemical sensitivity |
| MCS(ACUS) | Maneuver Control System (Area Common User System) |
| MCS/P | Maneuver Control System / Phoenix |
| MCS/P | Maneuver Control System/ Phoenix |
| MCSD | Maneuver Control System Directorate |
| MCSF | Marine Corps Security Forces |
| MCSF | Marine Corps Special Forces |
| MCSF | Mobile Cryptologic Support Facility |
| MCSFB | Marine Corps Security Force Battalion |
| MCSK | Military Collegiate School Khulna |
| MCS-P | Maneuver Control System - Phoenix |
| MCS-P-AMPS | Maneuver Control System - Phoenix - Automated Mission Planning System |
| MCS-P-AMPS | Maneuver Control System - Phoenix - Automated Planning System |
| MCT | Marine Combat Training |
| MCT | Master Control Terminal |
| MCT | Mean Correct Time |
| MCT | Module Confidence Test |
| MCT | Movement Control Team |
| MCTC | Midwest Counterdrug Training Center |