NASA Abbreviations and Acronyms

1. T&C
   Thrust Chamber
2. T&C
   Telecommunications
3. T&C
   Telemetry and Command
4. T&C
   Test and Checkout
5. T&C
   Temperature Compensating
6. T&C
   Termination Check
7. T&D
   Time Delay
8. T&D
   Touchdown
9. T&E
   Test and Evaluation
10. T&E
    Transporter/erector
11. T/B
    Test and Verification
12. T/B
    Thermal Balance
13. TAT
    Turnaround Time
14. TAT
    Total Air Temperature
15. U&C
    Under Current
16. USM
    Unit of Service Metric
17. ASN
    Average Sample Number
18. CONS
    Console
19. T/S
    Troubleshooting
20. CASR
    cost and schedule reporting system

Last updated: May 6, 2025 — Total entries: 14,020