GMCS
| Acronym | Definition |
|---|---|
| GMCS | Ground Maneuver Camera System (Boeing 777-300) |
| GMCS | General Manager, Corporate Services |
| GMCS | General Monitor and Control System |
| GMCS | GAMES Master Control Station (GAMES = GPS Anomalies Monitoring Equipment System) |
| GMCS | Gunner's Mate, Senior Chief (USN Rating) |
| GMCS | General Management Consulting Services, Inc. (Berkley Heights, NJ) |