NASA Abbreviations and Acronyms

1. GTG
   Ground To Ground
2. GTI
   Ground Test Instrumentation
3. GTI
   Grand Turk Island
4. GTLV
   Government-Furnished Target Launch Vehicle
5. GTM
   Ground Test Motor
6. GTM
   Ground Team Manager
7. GTO
   Guaranteed Time Observers
8. GTOS
   Guaranteed Time Observers
9. GTP
   General Test Plan
10. GTRI
    Georgia Tech Research Institute
11. GTS
    Gn&C Test Station
12. GTS
    General Test Support
13. GTS
    Gns Test Station
14. GTT
    Group Technology Time
15. GTU
    Glycol Trim Unit
16. GTVI
    Gimbal Angle and Translational Velocity Indicator
17. GUCP
    Ground Umbilical Carrier Plate
18. GUID
    Guidance
19. GUIDO
    Guidance Officer
20. GUL
    GSE Utilization List

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