Governmental & Military Abbreviations and Acronyms

1. USN
   United States Navy
2. USN
   United Space Network
3. USP
   Universal Self-Loading Pistol
4. USP
   Urban Studies and Planning
5. USP
   Universal Service Pistol
6. USP
   Unión Sindical de Policías
7. USP
   Unidentified Street Pizza
8. USW
   United Steelworkers of America
9. USW
   Undersea Warfare
10. Y/N
    Yes or No
11. AAR
    Air To Air Refueling
12. AAR
    Association of American Railroads
13. AAR
    After Action Review
14. AAR
    against all risks
15. AAR
    Application Architecture Review
16. AAR
    After-Action Review (formerly After-Action Report); Air-to-Air Receive; Air-to-Air Refueling; Aircraft Accident Report
17. AAR
    Airport Acceptance Rate
18. AAR
    Automated Agency Report
19. AAR
    Air-to Air Receive
20. AAR
    Aircraft Accident Report

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