| Abbreviation | Definition |
|---|---|
| TC | Thrust Chamber |
| TC | Time to Circular |
| TC | Traceability Code |
| TC | Tracking Camera |
| TCA | Thrust Chamber Assembly |
| TCA | Time of Closest Approach |
| TCA | Translation Controller Assembly |
| TCAB | Temperature of Cabin |
| TCB | Task Control Board |
| TCC | Test Control Center |
| TCC | Thermal Control Coating |
| TCD | Test Completion Date |
| TCD | Test Control Document |
| TCDT | Terminal Countdown Demonstration Test |
| TCE | Thermal Canister Experiment |
| TCF | Tank Checkout Facility |
| TCG | Test Control Group |
| TCG | Time Code Generator |
| TCI | Technical Critical Item |
| TCID | Test Configuration Identifier Document |