| Abbreviation | Definition |
|---|---|
| MCP | Mission Capability Package |
| MCP | Modified Conventional Pattern |
| MCP | Monitor and Control Protocol |
| MCPE | Modular Collective Protection Equipment |
| MCPL | Master Corporal |
| MCPO | Master Chief Petty Officer |
| MCPON | Master Chief Petty Officer of the Navy |
| MCR | Mapping Charting And Reproduction |
| MCR | Message Completion Rate |
| MCRC | Master Control and Reporting Center |
| MCRD | Marine Corps Recruit Depot |
| MCRDAC | Marine Corps RDA Command |
| MCRDAC | Marine Corps Research, Development, and Acquisition Command |
| MCRR | Movement Control and Readiness Reporting |
| MCS | Maneuver Control System |
| MCS | Marine Core Service |
| MCS | Marine Corps System |
| MCS | Military Capabilities Study |
| MCS | Military Communication Satelline |
| MCS | Mobile Camouflage System |