NASA Abbreviations and Acronyms

1. GC
   Gigacycles (1000 Megacycles)
2. GC
   Guidance Control
3. GC/OST
   Ground Control/Observational Sequence Table
4. GCC
   Ground Communications Coordinator
5. GCC
   Ground Control Center
6. GCCC
   Ground Control Computer Center
7. GCCO
   Ground Control Checkout
8. GCD
   Gyrc)-compass
9. GCDC
   Ground Checkout Display and Control
10. GCDCS
    Ground Checkout Display and Control System
11. GCDS
    Ground Checkout Display and Control System
12. GCE
    Ground Checkout Equipment
13. GCE
    Gps Cargo Element
14. GCHX
    Ground Cooling Heat Exchanger
15. GCI
    Ground-Controlled Interception
16. GCID
    Ground Computer Interface Device
17. GCIL
    Ground Control Interface Logic
18. GCIL
    Ground Command Interface Logic
19. GCILC
    Ground Command Interface Logic Controller
20. GCILU
    Ground Control Interface Logic Unit

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