NASA Abbreviations and Acronyms

1. TTC
   Telemetry, Tracking, and Commanding
2. TTC
   Time To Circularize (orbit)
3. TTC
   Tunnel Thermal Control
4. TTCA
   Thrust Translation Controller Assembly
5. TTCV
   Tracklng Telemetry
6. TTCV
   Tracking Telemetry
7. TTE
   Ltool and Test Equipment List
8. TTE
   Time To Event
9. TTG
   Time To Go
10. TTL
    Transistor-Transistor Logic
11. TTLM
    Through-The-Lens Light Metering
12. TTR
    Time to Restore
13. TTR
    TDRSS Trouble Report
14. TTSC
    Telescope Time Steering Committee
15. TTU
    Timing Terminal Unit
16. TTU
    Time Tag Unit
17. TTV
    Termination
18. TTV
    Terminatixn
19. TTY
    Teletype
20. TU
    Technology Utilization

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