NASA Abbreviations and Acronyms

1. IGA
   Inner Gimbal Angle
2. IGA
   Inner Gimbal Axis
3. IGAX
   Inner Gimbal Axis
4. IGC
   Interactive Gaming Center
5. IGDS
   Iodine Generating and Dispensing System
6. IGES
   Initial Graphic Exchange Specification
7. IGFOV
   Instantaneous Geometric Field of View
8. IGFOV
   Instantaneous Geomethic Field
9. IGM
   Interactive Guidance Mode
10. IGOR
    Intercept Ground Optical Recorder
11. IGOS
    Interactive Graphic Orbit System
12. IGS
    Inertial Guidance System
13. IGS
    International Gnss Service
14. IGS
    International Ground Stations
15. IGSE
    In-Space Ground Support Equipment
16. IGV
    Inlet Guide Valve/vanes
17. IGY
    International Geophysical Year (1 July 1957 - 31 December 1958)
18. IH/SR
    Integration Hardware and Software Review
19. IH/SR
    Integrated Hardware/Software Review
20. IHA
    Interface Hazard Analysis

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