NASA Abbreviations and Acronyms

1. SPIF
   Standard Payload Interface Facility
2. SPIF
   Shuttle-pocc Interface Facility
3. SPII
   Shuttle Program Implementation Instruction
4. SPIKE
   Science Planning Interactive Knowledge Environment
5. SPIP
   Strategic Program Implementation Plan
6. SPIP
   SSP's Process Integrity Plan
7. SPKB
   Speedbrake
8. SPL
   Split Phase Level
9. SPL
   System Programming Language
10. SPL
    Scratch Pad Line
11. SPLX
    Simplex
12. SPLY
    Supply
13. SPM
    System Requirements Review
14. SPM
    Subsystemprojectmanager
15. SPND
    Suspend
16. SQ
    Squelch
17. SQ
    Ftsquare Feet
18. SQA
    Software Quality Assurance
19. SQL
    Squelch
20. SQPN
    staggered quadriphase pseudo-random noise

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