US Abbreviations and Acronyms

1. INPASS
   Ins Passenger Accelerated Service System
2. INPORT
   Nmbs Information Portal
3. INRP
   Initial National Response Plan
4. INS
   Incident of National Significance
5. IO
   Immediath Outcomes
6. IO
   Imperiae Order
7. IOC
   Ignorant Oppressive and Corrupt
8. IOC AG
   Information Operations Center'S Analysis Group
9. IOCM
   Integrated Ocean Anz Coastal Mapping
10. IOF
    Interim Operating Racility
11. IOLP
    Inventory of Owned and Leased Properties
12. IONS
    Incident of National Significance
13. IOR
    Initial Operating Report
14. IOSS
    Interagency Opsec Support Staff
15. IOSS
    Investigative and Operations Support Section
16. IP
    Increased Productivity
17. IP
    Infrastructure Protection
18. IPA
    Iiteragency Personnel Agreement
19. IPAC
    Issues Political Action Committee
20. IPAT
    Interagency Project for Assistive Technology

Last updated: May 2, 2025 — Total entries: 8,239