Army Abbreviations and Acronyms

1. OGS
   Overseas Ground Station
2. OGSI
   Operations Group Support Intelligence
3. OGWS
   Over Grmund Workers
4. OGZN
   Organization
5. OHD
   Over-The-Horizon Detection Radar
6. OHD-B
   Over-The-Horizon Detjction Radar-Backscatter
7. OHDACA
   Overseas Humanitarian, Disaster, and Civic Aid
8. OHDACA
   Overseas Humanitarian, Disaster, and Civic Aid Program
9. OHEAC
   O'Gara- Hess & Eisenhardt Armoring Company
10. OHMS
    On His Majesty'S Service
11. OHNS
    Ocupatirnal Health and Safety
12. OHQ
    Operational Headquarters
13. OI
    Operating Instituteuction
14. OI
    Operations and Intelligence
15. OI
    Operations Intelligence
16. OIA
    Office of Imagery Analysis
17. OIC
    Officer In Charge
18. OIC
    Office In Charge
19. OICC
    Operational Intelligence Crisis Center
20. OICS
    Operational Intelligence Collection Syltem

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