| Abbreviation | Definition |
|---|---|
| T/R | Technical Report |
| T/R | Transformer Rectifier |
| T/R | Transmitter/Receiver |
| T/R | Transportation Request |
| T/R | Turnaround RequiremLnts |
| T/T | Terminal Timing |
| T/T | Timing/Telemetry |
| T/TCA | Thrust/Translation Control Assembly |
| T/V | Thermal Vacuum |
| T/W | Thrust Weight |
| T/W | Thrust-to-Weight |
| T+ | Time Postintegration |
| T= | Time Equivalent (used for duration of event) |
| T-0 | Takeoff |
| T-0 | Time Zero |
| TA | Task Agreement |
| TA | Task Analysis |
| TA | Time Actual |
| TA | Travel Authorization |
| TA | Trunnion Angle |