| Abbreviation | Definition |
|---|---|
| MCA | Master Control Assembly |
| MCA | Maximum Crossing Altitude |
| MCA | Monitoring and Control Assembly |
| MCA | Motor Control Assembly |
| MCA | Multi-Channel Analyzer |
| MCBF | Mean Cycles Between Failures |
| MCC | Main Combustion Chamber |
| MCC | Mid-Course Correction |
| MCC | Mission Control Center |
| MCCC | Mission Control and Computing Center |
| MCC-DOD | Mission Control Center - Department Of Defense |
| MCC-DOD | Mission Control Center-DOD |
| MCC-H | Mission Control Center-Houston |
| MCC-K | Mission Control Center-Kennedy |
| MCC-NASA | Mission Control Center - National Aeronautics and Space Administration |
| MCC-NASA | Mission Control Center-NASA |
| MCCS | Mission Control Center Simulation (System) |
| MCCS | Mission Control Center System |
| MCDS | Maintenance Control and Display System |
| MCDS | Multi-function CRT (Cathode Ray Tube) Display System |