NASA Abbreviations and Acronyms

1. TLM
   Telemetry
2. TLM/CMD
   Telemetry and Command
3. TLOC
   Thousand Lines of Code
4. TLS
   Time Line Sheet
5. TLS
   Top Left Side
6. TLSA
   Torso Limb Suit Assembly
7. TLV
   Transporter-loader Vehicle
8. TLX
   Teletype
9. TM
   Telemetry
10. TM
    Technical Memorandum
11. TM
    Member Traceability
12. TM
    Trafficmodel
13. TM
    Thematic Mapper (Landsat)
14. TM
    Technical Monitor
15. TM
    Table Maintenance
16. TM
    Technical Management
17. TMB
    Transportation Management Bulletin
18. TMBU
    Table Maintenance Block Update
19. TMC
    Test Monitoring Console
20. TMECO
    Time of Main Engine Cutoff

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