Governmental & Military Abbreviations and Acronyms

1. SI&T
   Software Integration and Test
2. SIA
   Singapore Airlines
3. SIA
   Social Impact Assessment
4. SIA
   Solar Inertial Attitude
5. SIA
   Station of Initial Assignment
6. SIA
   Shadow Investigation Agency
7. SIAC
   Special Immigration Appeals Commission
8. SIACS
   States In Advanced Capitalist Societies
9. SIAD
   Statistical Information Analysis Division (DOD)
10. SIADS
    Sensor Integration Display Sharing (an/sqq-89)
11. SIAGL
    Survey Instrument Azimuth Gyroscope Lightweight
12. SIAL
    Swiss International Air Lines
13. SIAM
    Self-Initiated Antiaircraft Missile
14. SIAM
    Spacecraft Instrument Alignment Matrix
15. SIAM
    Siam GA
16. SIAM
    Society for Industrial and Applied Mathematics (Philadelphia, Pennsylvania)
17. SIAM
    Standards, Implementation, Action, Methodology
18. SIAP
    Standard Instrument Approach Procedure
19. SIAP
    Standards Implementation Action Plan
20. SIAP
    Standard Instrument Flight Procedure

Last updated: May 24, 2020 — Total entries: 74,797