NASA Abbreviations and Acronyms

1. SHARES
   Shared Resources High Frequency Radio Program
2. SHARP
   Summer High School Apprentice Research Program
3. SHDN
   Shutdown
4. SHE
   Supercritical Helium
5. SHEAL
   Shuttle High Energy Astrophysics Laboratory
6. SHERB
   Sandia Human Error Rate Bank
7. SHFTR
   Shift Register
8. SHLB
   Simulation Hardware Load Boxes
9. SHLDR
   Shoulder
10. SHM
    Shutter Mechanism
11. SHO
    Schedule Service Order
12. SHOOT
    Superfluid Helium On-Orbit Transfer
13. SHP
    Standard Header Packet
14. SHRD
    Shroud
15. SHRD
    Supplemental Heat Rejection Devices
16. SHS
    Simulation Hardware System
17. SHTR
    Shutter
18. SHUTDN
    Shutdown
19. SI
    Silver
20. SI
    International System of Units

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