| Abbreviation | Definition |
|---|---|
| TRCP | Tape Recorder Control Panel |
| TRCP | Tape Recorder Control Panel (LIO) |
| TRD | Test Requirements Document |
| TReK | Telescience Resource Kit |
| TRK | Tracking |
| TRKR | Tracker |
| TRL | Test Readiness List |
| TRN | Trunnion |
| TRPSA | Transponder Assembly |
| TRQ | Torque |
| TRRB | Test Readiness Review Board |
| TRRM | Tropical Rains Measuring Mission |
| TRS | Teleoperator Retrieval System |
| TRS | Time Reference System |
| TRS | Top Right Side |
| TRS | Troubleshooting Record Sheet |
| TRS | Tug Rotational System |
| TRSD | Test Requirements Specification Document |
| TRUNANG | Trunnion Angle |
| TS | Technical Support (KSC Directorate) |