NASA Abbreviations and Acronyms

1. OG
   Zero Gravity
2. OG
   Outer Gimbal (roll)
3. OG
   Oxygen Gage
4. OGA
   Outer Gimbal Angle
5. OGA
   Outer Gimbal Axis
6. OGE
   Operations Ground Equipment
7. OGE
   Operatinggroundequipment
8. OGMT
   Orbiteb Greenwichmeantime
9. OGMT
   Orbiter Greenwichmeantime
10. OGS
    Quantity Gaging System
11. OGS
    Oxygen Generation System
12. OGS
    Outer Glideslope
13. OGSE
    Optical Ground Support Equipment
14. OGV
    Oxygen Gage Valve
15. OH
    Overhaul
16. OHA
    Operational Hazard Analysis
17. OHA
    Orbital Height Adjustment Maneuver
18. OHA
    Operations Hazard Analysis
19. OHC
    Onboard Hard Copier
20. OHC
    Optics Hand Controller

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