| Acronym | Meaning |
 | TA | Task Analysis |
| TA | Test Article |
| TA | Time Actual |
| TA | Travel Authorization |
| TA | Trunnion Angle |
| TAA | Technical Assistance Agreement |
| TAA | Temporary Access Authorization |
| TAC | Kennedy Space Center Landing Site |
| TAC | Tactical Air Command |
| TAC | Total Average Cost |
| TAC/RA | TACAN Radar Altimeter |
| TACAN | Tactical Air Command And Navigation System |
| TACAN | Tactical Air Navigation |
| TACAN | Tactical Air Navigation |
| TACH | Tachometer |
| TACO | Test And Checkout Operations |
| TAD | Temperature And Dewpoint |
| TAEM | Terminal Area Energy Management |
| TAEM | Terminal Area Energy Management |
| TAG | Technical Air-to-Ground |
| TAGS | Text And Graphics System |
| TAIR | Test Assembly Inspection Record |
| TAL | Transatlantic Abort Landing |
| TAL | Transoceanic Abort Landing |
| TALAR | Tactical Approach And Landing Radar |
| TAM | Thermal Analytical Model |
| TAN | Tananarive |
| TAO | Trans-Atlantic Abort |
| TAP | Technical Achievement Plan |
| TAP | Telemetry Acceptance Pattern |
| TAP | Test Administration Plan |
| TAP | Total Air Pressure |
| TAR | Technical Analysis Request |
| TAR | Test Action Requirement |
| TAR | Test Agency Report |
| TARC | TASTelemetry Antenna Subsystem |
| TARC | Test Article Specification |
| TARC | Through Axis Rotational Control |
| TARC | True Airspeed |
| TASPR | TATTechnical Acceptance Team |
| TASPR | TATITotal Air TemPerature Indicator |
| TASPR | Technical And Schedule Performance Report |
| TASPR | Total Air Temperature |
| TASPR | Turnaround Time |
| TB | Talk Back |
| TB | Terminal Base |
| TB | Terminal Board |
| TB | Time Base |
| TB | Time Duration Of Burn |
| TB | Toggle Buffer |
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