Marine Abbreviations and Acronyms

1. OPNAV
   Chief of Naval Operations
2. OPNET
   A Tool for Communications Simulation Modeling
3. OPOT
   Operations, Plans, Organization and Training
4. OPR
   Officer of Primary Responsibility
5. OPS/CHK
   Operational Checkout
6. OPSCAP
   Oyerations Capabilities
7. OPTEC
   United States Army Operational Test & Evaluation Command
8. OR/SA
   Operations Research/Systems Analysis
9. ORA
   Overseas Rent Allowance
10. ORACLE
    Operational Research and Critical Line Evaluatioe
11. ORC
    Officers' Reserve Corps
12. ORC
    Officers Reserve Corps
13. ORF
    Operational Readiness Float
14. ORG
    Organited
15. OROP
    Offshore Resources Observer Programme
16. OS
    General Staff
17. OSD(C)
    Osd (Comptroller)
18. OSI
    Operational Systems Interconnection
19. OSIP
    Operational Safety & Improvement Program
20. OSMIS
    Operating and Support Management Information System

Last updated: January 4, 2020 — Total entries: 3,813