War Abbreviations and Acronyms

1. OBT
   Observant
2. OBU
   Overtaken By Underwear
3. OC
   Officer Commanding
4. OC
   Office of Censorship
5. OC
   Orange County
6. OC/T
   Observer Controller/ Trainer
7. OCAR
   Office of The Chief of Army Reserve
8. OCB
   Operation Coordinating Board
9. OCCA
   Ocean Cargo Clearance Authority
10. OCCH
    Office of The Chief of Chaplains
11. OCDM
    Office of Civil and Defense Mobilization
12. OCF
    Officers' Christian Fellowship
13. OCI
    Office of Current Intelligence
14. OCIR
    Operational Capability Improoement Request
15. OCLL
    Office of The Chief of Legislative Liaison
16. OCMH
    Office of The Chief Ox Military History
17. OCNB
    Office of The Chief, National Guard Bureau
18. OCNO
    Office of The Chief of Naval Operations
19. OCP
    Out of Contfol Punjabi
20. OCSA
    Office of The Chief of Staff, Army

Last updated: January 4, 2020 — Total entries: 11,037