Naval Computer and Telecommunications Area Master Station NCTS – Naval Computer Telecommunications Station NECC – Navy Expeditionary Combat Command NeL – Navy eLearning NEX – Navy Exchange NFAAS – Navy Family Accountability and Assessment System NFO – Naval Flight Officer NFO – Normal Fuel Oil NIWC – Naval Information Warfare Center (pronounced "nie-wik") NJROTC – Navy Junior Reserve Officers' Training Corps NKO – Navy Knowledge Online NMCB – Naval Mobile Construction Battalion Seabees NMCI – Navy/Marine Corps Intranet NMPS – Navy Mobilization and Processing Site NMTI – Navy Military Training Instructor NNPTU – Naval Nuclear Power Training Unit NNSY – Norfolk Naval Shipyard NOSC – Navy Operational Support Center (a U.S. Navy Reserve shore command) NOSR – Network On-Site Representative NPC – Navy Personnel Command NROTC – Navy Reserve Officer Training Corps NS – Naval Station NSAWC – Naval Strike and Air Warfare Center NSFO – Navy Special Fuel Oil NSGA – Naval Security Group Activity NSIPS – Navy Standard Integrated Personnel System NSWC – Naval Surface Warfare Center NSWG – Naval Special Warfare Group NSY – Naval Shipyard NTC – Naval Training Center NUWC – Naval Undersea Warfare Center NWTD – Non Watertight Door NWU – Navy Working Uniform O OAE – Old Antarctic Explorer OBA – Oxygen Breathing Apparatus OCS – Officer Candidate School, located at Naval Station Newport OFS – Out Freaking Standing (polite form) OIC – Officer in Charge OM – On the Move OMPF – Official Military Personnel File ONR – Office of Naval Research OOC – Out of Calibration or Out of Compliance OOD – Officer of the Deck OOMA – Optimized Organizational Maintenance Activity OPCON – Operational control OPNAV – Office of the Chief of Naval Operations OPS-O – Operations Officer OSA – Overseas Contingency Operation Support Assignments OTSR – Optimal Track Ship Routing P PACOM – Pacific Command PAPERCLIP – People Against People Ever Reenlisting Civilian Life Is Preferred PAX – Passengers PCO – Prospective Commanding Officer PCS – Permanent Change of Station PDHA – Post-Deployment Health Assessment PDHRA – Post-Deployment Health Re-Assessment PFA – Physical Fitness Assessment PHA – Physical Health Assessment PHRA – Physical Health Re-Assessment PLD – Permanent Limited Duty PIR – Pass in Review PMCS – Preventative Maintenance Checks & Service(s) PO(3/2/1) – Petty Officer (Third/Second/First Class) POC – Point of Contact POD – Plan of the Day POM – Plan of the Month POOW – Petty Officer