NASA Abbreviations and Acronyms

1. HRIS
   High Resolution Imaging Spectrometer
2. HRL
   Horizontal Reference Line
3. HRMA
   High-Resolution Mirror Assembly
4. HRPS
   Hazard Reduction Precedence Sequence
5. HRS
   High Resolution Spectrograph
6. HRS
   Goddard High Resolution Spectrograph
7. HRS
   High Rate Switch
8. HRSI
   High-Temperature Reusable Surface Insulation
9. HRSO
   High-Resolution Solar Observatory
10. HRT
    High Resolution Tracker
11. HRTS
    HR&T system
12. HRTV
    Human Rated Thermal Vacuum
13. HRZN
    Horizon
14. HS
    Heat Shield
15. HS
    Horizon Sensor
16. HS-C
    Hamilton Standard Co Absorbent Material
17. HSA
    heat shield abort
18. HSA
    High Speed Arithmetic
19. HSB
    Heat Shield Boost
20. HSC
    Hardware/Software Coordination

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