Governmental & Military Abbreviations and Acronyms

1. SIDO
   Senior Intelligence Duty Officer
2. SIDPERS
   Standard Installation/Division Personnel System
3. SIDS
   Secondary Imagery Dissemination System
4. SIDS
   Small Island Developing States
5. SIDS
   Standard Instrument Departure System
6. SIDS
   Sudden Import Death Syndrome
7. SIDSS
   Small Island Developing States
8. SIE
   Shuttle Interface Equipment
9. SIE
   Sierra Express
10. SIE
    Spatial Information Engineering
11. SIE
    Standard Interface Equipment
12. SIEB
    Systematized Nomenclature of Medicine
13. SIEMREAP AIR
    Siem Reap Airways
14. SIERRA ALTA
    Transportes Aereos Sierra
15. SIERRA EX
    Sierra Expressway Airlines
16. SIERRA PACIFIC
    Sierra Pacific Airlines
17. SIERRA SERVICES
    Seven Four Eight Air Services
18. SIERRA SKY
    Sky Aviation
19. SIERRA SULTAN
    Air Sultan
20. SIES
    Office of Strategic Industries & Economic Security

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