NASA Abbreviations and Acronyms

1. SMRY
   Summary
2. SMS
   Science Mission Specification
3. SMS
   Shuttle Mission Simulator
4. SMS
   Structures And Mechanisms Subsystem
5. SMSCC
   Shuttle Mission Simulator Computer Complex
6. SMSI
   Standard Manned Space Flight Initiator
7. SN
   Serial Number
8. SN
   Stress Number
9. SN
   Sine
10. SNAP
    Structural Network Analysis Program
11. SND
    Second
12. SNF
    System Noise Figure
13. SNG
    Singer
14. SNIP
    Space Network Implementation Plan
15. SNIP
    Space Network Interoperability Program
16. SNL
    Sandia National Laboratory
17. SNR
    Signal Noise Ratio
18. SO
    Ft Square Feet
19. SO
    Support Operations (ksc Dir.)
20. SOA
    Rshuttle Orbital Applications and Requirements

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