O&M -- Operation and Maintenance o.a. -- Overall OAB -- Outer Air Battle (USN) OB OOB -- ORDER OF BATTLE OB -- Order of Battle (i.e., AOB=Air OB) OBE -- Overtaken By Events (US slang) OBLIGATIONS OBOGS -- Onboard Oxgen Generation System OCIP -- Offensive Capability Improvement Program OCONUS -- Outside the Contental United States OCONUS -- OUTSIDE THE CONTINENTAL UNITED STATES OCS -- Officer Candidate School OCU -- Operational Capability Update OEG -- Operational Evaluation Group (Navy) OGE -- Out of Ground Effect (hover condition) OGS -- Overseas Ground Station OIC -- Officer In Charge OJCS -- Organization of the Joint Chiefs of Staff OJT -- On-the-Job Training OLA -- Office of Legislative Affairs (USN) OMB -- Office of Management and Budget OMG -- Operational Maneuver Group (Soviet) OOA -- Out Of Area (ship operations) (USN) OOB -- Order of Battle (OB is preferable) OOD -- Officer Of the Deck (USN) OP -- Observation Post OP -- Office of the Chief of Naval Operations OPCEN -- Operations Center OPCON -- Operational Control OPDS -- Offshore POL Discharge System OPEC -- Organization of Petroleum Exporting Countries OPELINT -- OPERATIONAL ELINT OPEN SOURCE INFORMATION OPERATING FORCES OPERATION ORDER OPERATION PLAN OPERATIONAL INTELLIGENCE OPEVAL -- Operational Evaluation OPLAN -- Operation Plan OPNAV -- Office of the Chief of Naval Operations Opnl -- Operational OPORD -- Operation Order OPS EVALUATION -- OPERATIONAL EVALUATION Ops -- Operations OPS READINESS -- OPERATIONAL READINESS OPS RESEARCH -- OPERATIONS RESEARCH OPS SECURITY OPSEC -- OPERATIONS SECURITY OPSEC -- Operations Security OPTEMPO -- Operating Tempo (USN) OPTEVFOR -- Operational Test and Evaluation Force OPV -- Offshore Patrol Vessel OrdAlt -- Ordnance Alteration (USN) OSCE -- Organization on Security and Co-op in Europe OSD -- Office of the Secretary of Defense OSIS -- Ocean Surveillance Information System OSP -- Offshore Procurement (USN) OSS -- Ocean Surveillance Satellite OT -- Operational Test OT/FT -- Operational Test/Follow-on Test (missiles) OTA -- Office of Technology Assessment (Congress) OTH -- OVER THE HORIZON RADAR OTH -- Over-The-Horizon OTH-B -- Over-The-Horizon Backscatter (radar) OTHT -- Over-the-horizon Targeting OTVD -- OKEANSKIY TEATR VOENNYKH DEISTVII OUTLAYS OVER-THE-SHOULDER -- BOMBING OVERT OPERATION OWE -- Operating Weight Empty
P
P&W -- Pratt & Whitney (United Technologies) P3I -- Preplanned Product improvement PAA -- Primary Authorized Aircraft PAC-3 -- Patriot Advanced Capabilities PACAF -- Pacific Air Forces (USAF) PALS -- Permissive Action Link System Pam -- Pamphlet PAO -- Public Affairs Office(r) PAR -- Parameter Acquisition Radar PAR -- Phased Array Radar PAR -- Precision Approach Radar PARCS -- Perimeter Acquisition Radar Attack Characterization System PAVE, PAWS -- Prec Acq of Veh Entry, Phased Array Warning System PAYLOAD PC -- Patrol Combatant, or Patrol Craft PCO -- Prospective Commanding Officer (USN) PCS -- Permanent Change of Station PDMS -- Point Defense Missile System PDS -- Passive Detection System PE NUMBERS (PEN) -- PROGRAM ELEMENT NUMBERS PECI -- Productivity Enhancing Capital Investment PENAID -- Penetration Aid (for missiles) PERIGEE PERSTEMPO -- Personnel Tempo (USN) PFR -- Pulse Repetition Frequency PGM -- Precision Guided Munitions Phib -- amphibious PIF -- Productivity Investment Funds PIM -- Position of Intended Movement PIM -- Pretrained Individual Manpower PIVADS -- PRODUCT IMPROVED VULCAN AIR DEFENSE SYSTEM PJH -- PLRS-JTIDS hybrid PK -- probability of Kill PKO -- Peacekeeping Operations PKR -- PROTIVOLODOCHNYY KREYSER PL -- PODVODNAYA LODKA PLA -- Peoples Liberation Army (China) PLARB -- PODVODNAYA LODKA ATOMNAYA RAKETNAYA BALLISTICHESKAYA PLARK -- PODVODNAYA LODKA ATOMNAYA RAKETNAYA KRYLATAYA Plat/Plt -- Platoon PLO -- Palestine Liberation Organization PLRB -- PODVODNAYA LODKA RAKETNAYA BALLISTICHESKYA PLRK -- PODVODNAYA LODKA RAKETNAYA KRYLATAYA PLRS -- Position Location Reporting System PLS -- Palletized Load Systems PLSS -- Precision Location Strike System PM -- Provost Marshal PMA -- Phased Maintenance Availability (USN) PMC -- Procurement, Marine Corps (funding) PME -- Professional Military Education PMR -- Pacific Missile Range PMR -- Primary Mission Readiness PMS -- Pedestal Mounted Stinger PNC -- Palestine National Council (PLO) PNS -- Precision Navigation System PNVS -- Pilot Night Vision Sensor POC -- Point Of Contact POL -- Petroleum, Oils, and Lubricants POM -- Program Objective Memorandum POMCUS -- Prepositioning Of Material Configured to Unit Sets POP -- Paperless Ordering Placement (system) Poss w/drawn -- Possible Withdrawn pp -- Between perpendiculars PPBS -- Planning, Programming, and Budgeting System PQS -- Personnel Qualification Standards PRC -- Peoples Republic of China PREPO -- Pre-positioning PRESSURE MINE Pri -- Primary Prob w/drawn -- Probably Withdrawn PRODUCT psi -- pounds per square inch PSYOP -- Psychological (warfare) Operations PUP -- Performance Update Program (USAF) PVO -- Air Defense Forces (Soviet) PWR -- Pressurized Water Reactor (plant) PWRMS -- Pre-positioned War Reserve Material Stocks PXO -- Prospective Executive Officer (USN)
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