NASA Abbreviations and Acronyms

1. GISO
   General Industry Safety Orders
2. GISS
   Goddard Institute for Space Studies
3. GITG
   Ground Interface Technical Group
4. GIWG
   Ground Interface Working Group
5. GL
   Government Leased
6. GL
   Government Led
7. GLAADS
   Gun Low-Altitude Air Defense System
8. GLC
   Generator Line Contractor
9. GLD
   Glide Slope
10. GLES
    Goddard Leadership Education Series
11. GLLD
    Ground Locator Laser Designator
12. GLOW
    Gross Liftoff Weight
13. GLP
    Goal Language Processor
14. GLR SHLD
    Glare Shield
15. GLRSHLD
    Glare Shield
16. GLS
    Glide Slope
17. GLS
    Ground Launch Sequencer
18. GLS
    Ground Launch Sequence (sequencer)
19. GLY
    Water-Glycol Mixture
20. GM
    General Memory

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