NASA Abbreviations and Acronyms

1. SDN
   Schedule Deletion Notification
2. SDO
   Space Discovery Office
3. SDO
   Solar Dynamics Observatory
4. SDP
   Science Data Processing
5. SDP
   Supplier Data Package
6. SDPC
   Science Data Processing Computer
7. SDPF
   Science Data Processing Facility
8. SDR
   Software Defined Radio
9. SDR
   System Design Review
10. SDR
    Software Discrepancy Report
11. SDR
    Space Division Regulation
12. SDRB
    Supplier Documentation Review Board
13. SDRD
    Supplier Data Requirements Description
14. SDRD
    Supplier Documentation Review Data
15. SDS
    Switched Data Service
16. SDS
    Steering Damping System
17. SDS
    Shuttle Drawing System
18. SDS
    Shuttle Dynamic Simulation (simulator)
19. SDS
    Science Data Store
20. SDSS
    Space Division Shuttle Simulator

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