| Abbreviation | Definition |
|---|---|
| MCTC | Military Corrective Training Centre |
| MCTCA | Marine Corps Tactical Commo Architecture |
| MCTCA | Marine Corps Transformational Communications Architecture |
| MCTD | Military Critical Technical Data |
| MCTFT | Multijurisdictional Counterdrug Task Force Training |
| MCTI | Motion Compensated Target Integration |
| MCTL | Military Critical Technology List |
| MCTNS | Man-Portable Common Thermal Night Sights |
| MCTOG | Marine Corps Tactics and Operations Group |
| MCU | Maintenance Communications Unit |
| MCU | Manual Control Unit |
| MCU | Military Call-Up |
| MCUF | Medical Care Under Fire |
| MCV | Milwaukee County Veterans |
| MCV | Mobile Construction Vehicle |
| MCVC | MILITARY COMMUNITY VETERANS CENTRE |
| MCW | Modulated Carrier Wave |
| MCW | Modulated Continuous Wave |
| MCWL | Marine Corps Warfighting Laboratory |
| MCX | Marine Corps Exchange |