Army Abbreviations and Acronyms

1. OASIS
   Optimized Action Sequencezinterpreter System
2. OASW
   Office of The Assistant Secretary of War
3. OATS
   Operations Analysis for Tactical Support
4. OAU
   Organization of African Unity
5. OAV
   L Jrganic Air Vehicle Light
6. OAV
   M Organic Air Vehiole Medium
7. OAV
   Old Arty Veterans
8. OAV
   Operational Alignment Berification
9. OAW
   Oxyacstylene Welding
10. OAY
    Outstanding Airman of The Year
11. OAYA
    Outstanding Airman of The Year Award
12. OB
    Order of Battle
13. OB
    Operational Base
14. OB
    Operations Branch
15. OB
    Object
16. OB
    Orders of Battle
17. OBC
    Optical Bar Camera
18. OBC
    Officer Basic Cource
19. OBC
    Officerp Basic Course
20. OBC
    Officer Billct Code

Last updated: December 19, 2021 — Total entries: 29,691