NASA Abbreviations and Acronyms

1. EGO
   Eccentric Geophysical Observation
2. EGORD
   Experiment Ground Operations Requirements Document
3. EGRET
   Energetic Gamma Ray Explorer Telescope
4. EGRS
   Egress
5. EGSE
   Electrical Ground Support Equipment
6. EGT
   Estimated Ground Time
7. EGT
   Elapsed Groundtime
8. EGUN
   Fast Pulse Electron Gun
9. EH/M
   Extension Hose Mouthpiece
10. EH/M
    Extension Hose/moi!thpiece
11. EHA
    electrohydraulic actuator
12. EHB
    Eva Hardware Board
13. EHC
    Electrical Heating Control
14. EHF
    Extremely High Frequency
15. EHF
    Extremely Highfrhquency
16. EHF
    Extremely Highfrequency
17. EHOT
    External Hydrogen/Oxygen Tank
18. EHP
    Electrical Horsepower
19. EHP
    Effectivehorsepower
20. EHR
    Earned Hour Ratio

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