NASA Abbreviations and Acronyms

1. GRO
   Gamma Ray Observatory (NASA)
2. GRP
   Group
3. GRP
   Glass Fiber Reinforced Plastic
4. GRS
   Global Receiving System
5. GRTLS
   Glide Return To Launch Site
6. GRTLS
   Glide Return To Landing Site
7. GRU
   Ground Replaceable Unit
8. GS
   Goldstone
9. GS
   Glare Shield
10. GS
    General Satellite
11. GS
    Glide Slope
12. GS
    Glide Slope Indicator
13. GS
    Gas Servicer
14. GS
    Ground Station
15. GS
    Guide Star
16. GSA
    General Services Administration
17. GSA
    U.S. General Services Administration
18. GSACQ
    Guide Star Acquisition Working Group
19. GSAD
    General Services Administration
20. GSAT
    Geosynchronous Satellite

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