| Abbreviation | Definition |
|---|---|
| TCF | Traincom Constant Feedback |
| TCG | Tactical Control Group |
| TCG | Technology Coordination Group |
| TCG | Threat Coordinating Group |
| TCG | Topical Classification Guide |
| TCGST | Tank Crew Gunnery Skills Test |
| TCG-WPMU | Topical Classification Guide - Weapons Production and Military Utilization |
| TCH | The Conquistador Hitmen |
| TCIM | Tactical Communications Interface Module |
| TCIP | Theater C2 Initiative Program |
| TCIR | Two Color Infrared |
| TCIS | Tactical Communications Interface Software |
| TCL | Technical Command Lingo |
| TCM | Theater Construction Manager |
| TCM | Theater Container Manager |
| TCM | Total Corrective Maintenance |
| TCM | Trauma Control Model |
| TCMAA | Tactical Communications Mission Area Analysis |
| TCMC | total care medical center |
| TCMD | Transportation Control and Movement Document |