Naval Abbreviations and Acronyms
-   NTCNational Training Center (USA)
 -   OCNOOffice of The Chief of Naval Operations
 -   OCSOfficer Candidate School
 -   OEFOperation Enduring Freedom
 -   OFOpposing Force
 -   OIFOperation Iraqi Freedom
 -   OMAOrganizational Maintenance Activities
 -   OMMSOrganization Maintenance Management System
 -   ONROffice of Naval Research (U.S.)
 -   ONSOperational Needs Statement
 -   OODOfficer of The Deck
 -   OODAObservation, Orientation, Decision, Action
 -   OPFOROpposing Force
 -   OPNAVOffice of The Chief of Naval Operations
 -   OPNAVChief of Naval Operations
 -   OPNETOperator New Equipment Training
 -   OPSOperations Officer
 -   OPS-OOperations Officer
 -   OPSOOperations Officer
 -   PEO C3SProgram Executive Office Command, Control and Communications Systems
 
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