A B C D E F G H I J K L M N O P Q R S T U V W X Y Z (Numeric)

O

O COURSE - Obstacle Course
O&M - Operation and Maintenance
O&M - Operations and Maintenance
O&MN - Operations and Maintenance Navy
O&NM - Operations and Network Management working group
O&P - Ordering and Provisioning
O&S - Operating and Support
O&S - Operations and Support
O&S - Operations and Sustainment
O&SHA - Operating and Support Hazard Analysis
O-Level - Organizational Level
O-O - Object Oriented
O-O-O - Out Of Order Execution
O/E - Optical/Electrical converter
O/G - Outgoing
OA - Objective Area
OA - Obligation Authority
OA - Offensive Action
OA - Office Automation
OA - Operational Architecture
OA - Operational Assessment
OA - Out of Action
OA&M - Operations, Administration, and Maintenance
OA&TP - Objective Architecture and Transition Plan
OAA - On Air Activation
OAA - Operational Assessment Analysis
OAA - Over Air Addressing
OAAW - Offensive Anti-Air Warfare
OAC - Objective Assignment Chart
OADM - Optical Add/Drop Multiplexer
OADR - Originating Agency’s Determination Required
OAF - Open Architecture Framework
OAG - Official Airline Guide
OAGI - Open Applications Group
OAGIS - Open Applications Group Integration Specification
OAI - Open Application Interface
OAI - Open Applications Interface
OAM - Operation and Maintenance
OAM - Operations, Administration, and Maintenance
OAM&P - Operations, Administration, Maintenance & Provisioning
OAML - Oceanic & Atmospheric Master Library
OAML - Oceanographic and Atmospheric Master Library
OAN - Optical Access Network
OAP - One step Approval Procedure
OAS - Offensive Air Support
OAS - Office Automation System
OAS - Office of Assistant Secretary
OAS - Organization of American States
OASD - Office of the Assistant Secretary of Defense
OASIS - Operations Analysis and Simulation Interface System
OASIS - Organization for the Advancement of Structured Information Standards
OASN - Office of the Assistant Secretary of the Navy
OAT - Operational Air Traffic
OAT - Outside Air Temperature
OATS - Office Automation Technology and Services (FAA)
OATS - Office Automation and Technology Services
OATS - Over-the-Air Activation TeleService
OATV - Open Architecture Television
OAWR - Over and Above Work Request
OB - Operating Budge
OB - Operating Budget
OB - Order of Battle
OBA - Oxygen Breathing Apparatus
OBATS - Off-Board Augmented Theater Surveillance
OBE - Overcome By Events
OBEX - Object Exchange Technology
OBIGGS - On-Board Inert Gas Generating System
OBIGGS - Onboard Inert Gas Generating System
OBM - Orbital Ballistic Missile
OBMC - Overlapped Block Motion Compensation
OBOGS - On-Board Oxygen Generation System
OBOGS - Onboard Oxygen Generating System
OBP - On-Board Processing
OBP - Optimized Business Process
OBT - On Board Training
OBU - OSIS Baseline Upgrade
OC - Office and Communication module
OC - Officer Commanding
OC - Operation Channel
OC - Operations Center
OC - Optical Carrier
OC-12 - Optical Carrier Network Transmission speed of 622 Mb/s
OC-3 - Optical Carrier Network Transmission speed of 155 Mb/s
OC-ALC - Oklahoma City - Air Logistics Center
OCA - Oceanic Area
OCA - Offensive Counter Air
OCA - Operational Control Authority
OCA/DCA - Offensive Counter Air/Defensive Counter Air
OCAP - OpenCable Applications Platform
OCC - Other Common Carrier
OCCA - Open Cooperative Computing Architecture
OCCS - Overall Construction Classification System
OCD - Operational Concept Description
OCD - Operational Concept Document
OCD - Operational Concept Document (AF)
OCD - Operations Capability Development
OCDM - Office of Civil and Defense Mobilization
OCE - Officer Conducting the Exercise
OCEANLANT - Ocean Sub-Area Atlantic
OCEG - Open Compliance and Ethics Group
OCG - Operational Coordination Group
OCG - Overall Coordination Group
OCHA - Office for the Coordination of Humanitarian Affairs
OCHAMPUS - Office of Civilian Health and Medical Program of the Uniformed Services
OCI - Open Circuit Interval
OCI - Organizational Conflict of Interest
OCL - Object Constraint Language
OCLC - Online Computer Library Center
OCLL - Office, Chief of Legislative Liaison (Army)
OCM - On Condition Maintenance
OCM - Optical Counter Measures
OCM - Outgoing Communications Manager
OCN - Open Computer Network
OCO - Off-load Control Officer
OCO - Operating and Control Organization
OCONUS - Outside Continental United States
OCONUS - Outside the Continental United States
OCP - Operational Computer Program
OCR - Optical Character Reader
OCR - Optical Character Recognition
OCS - Officer Candidate School
OCS - Officer Conducting the Serial
OCS - Overload Control Subsystem
OCSA - Office of the Chief of Staff, U.S. Army
OD - Optical Digital Data Disk
ODA - Office Document Architecture
ODA - Open Document Architecture
ODADS - Omnidirectional Air Data Sensor
ODAM - OSD Office of the Director of Administration and Management
ODB - Object Oriented Database
ODB - Open Database
ODBC - Open Database Connectivity
ODBMS - Object Database Management System
ODC - Office of Defense Corporation
ODC - Operation Desert Capture
ODC - Ozone Depleting Chemical
ODCSLOG - Office Depot Chief Staff Log
ODDR&E - Office of the Director, Defense Research and Engineering
ODDS - Offboard Deception Devices System
ODES - Operational and Deployment Experiments Simulator
ODETTE - Organisation for Data Exchange through Tele-Transmission in Europe
ODI - Open Data-link Interface
ODI - Open Datalink Interface
ODIF - Office Data Interchange Format
ODIF - Office Document Interchange Format
ODIN - Operational Digital Network
ODIT - Optical Digital Imaging Technology
ODL - Object Definition Language
ODL - Open Document Language
ODM - Oil Debris Monitoring
ODM - Organizational Domain Modeling
ODM - Original Design Manufacturer
ODMG - Object Data Management Group
ODN - Optical Distribution Network
ODP - Office for Domestic Preparedness
ODP - Office of Disaster Preparedness
ODP - Online Distributed Processing
ODP - Open Distributed Processing
ODP - Originator Detection Pattern
ODP - Overall Documentation Plan
ODS - Optical Data System
ODS - Ordering Data Sheets
ODS - Ozone Depleting Substance
ODSI - Open Directory Services Interface
ODT - Operational Demonstration Test
ODTC - Office of Defense Trade Controls
OE - Operating Environment
OE - Operational Effectiveness
OE - Organizational Element
OEA - Ocean Executive Agent
OEB - Open Electronic Book
OECD - Organization for Economic Cooperation and Development
OED - OSIS Evolutionary Development
OEM - Original Equipment Manufacturer
OEM - Other Equipment Manufacturer
OEO - Office Equipment Outlet
OEO - Office of Economic Opportunity
OEO - Office of Equal Opportunity
OEO - Operations Evaluation Office
OEP - Office of Emergency Preparedness
OEPE - OptoElectronic Processing Elements
OER - Organizational Efficiency Review
OERP - Organizational Efficiency Review Program
OESO - Ordnance Environmental Support Office
OET - Office of Emergency Transportation
OET - Office of Engineering and Technology
OF - Officer
OFAC - Office of Foreign Assets Control
OFB - Output Feedback
OFDA - Office for Foreign Disaster Assistance
OFDM - Orthogonal Frequency Division Multiplexing
OFE&AS - Organization For Embarkation and Assignment to Shipping
OFF - Officer
OFM - Office of Financial Management
OFN - Other Forces for NATO
OFP - Operational Flight Program
OFPP - Office of Federal Procurement Policy
OFS - Object File System
OFS - Operational Fixed Service
OFSTP - Optical Fiber Systems Test Procedure
OFT - Operational Flight Trainer
OFTP - Off-Line Transaction Processing
OFX - Open Financial Exchange
OGA - Other Government Agency
OGC - Office of the General Council
OGE - Out of Ground Effect
OGM - Outgoing Message
OGRI - Open Group Research Institute
OGSA - Open Grid Services Architecture
OH - On Hand
OH - Operational Handbook
OHAN - Optical Hybrid Access Network
OHB - On Hand Balance
OHG - Operator Harmonization Group
OHR - Office of the High Representative
OI - Operating Instruction
OI - Operational Instruction
OI - Outline of Investigation
OIC - Officer In Charge
OIC - Officer-In-Charge
OICC - Officer In Charge of Construction
OICC - Operations Intelligence Crisis Center
OICW - Objective Individual Combat Weapon
OID - Object Identifiers
OID - Organizational Innovation and Deployment
OIF - Optical Internetworking Forum
OIG - Office of Inspector General
OII - Operations Intelligence Interface
OIP - Operational Improvement Program
OIPT - Overarching Integrated Product Team
OIR - Other Information Requirement
OIRA - Office of Information and Regulatory Affairs
OIS - Office Information System
OIS - Office Information Systems
OIT - Optical Image Technology
OIW - Open Systems Environment Implementers Workshop
OIW - Open Systems Implementers Workshop
OJ - Official Journal
OJEC - Official Journal of the European Communities
OJT - On the Job Training
OLA - Office of Legislative Affairs (Navy)
OLA - On-line Archive
OLAFAS - On-line Automated Frequency Assignment System
OLAP - On Line Analytical Processing
OLAR - On-Line Add/Replacement
OLC - Open Logical Channel
OLE - Object Linking and Embedding
OLM - Off Line Maintenance
OLR - On-Line Reconfiguration
OLR - On-Line Replacement
OLR - Overall Loudness Rating
OLSP - Operational Logistic Support Plan
OLT - Optical Line Termination
OLTP - On-Line Transaction Processing
OM - Computer Operations Manual
OM - Object Model
OM - Operator’s Manual
OM/A/N/AF/MC - Operation and Maintenance (Appropriation), Army/Navy/AirForce/USMC
OMA - Object Management Architecture
OMA - Organizational Maintenance Activity
OMB - Office of Management and Budget
OMB - Office of Management and Budget
OMB - Office of Manpower and Budget
OMC - Operations and Maintenance Centre
OMD - Operations Maintenance Division
OMDD - Object Model Data Dictionary
OMDDS - Object Model Data Dictionary System
OMDT - Object Model Development Tool
OMEGA - Operational Multiscale Environment Model with Grid Adaptivity
OMF - Object Management Facility
OMFTS - Operational Maneuver From T he Sea
OMFTS - Operational Maneuver From The Sea
OMG - Object Management Group
OML - Object Model Library
OMNCS - Office of the Manager, National Communications System
OMO - Other Military Operations
OMPS - Outboard Mission Planning System
OMR - Optical Mark Recognition
OMS - Object Management System
OMS - Online Mass Storage
OMS - Order Management System
OMS/MP - Operational Mode Summary/Mission Profile
OMT - Object Model Template
OMT - Object Modeling Technique
OMT - Object Modeling Template
OMT - Overhead Message Train
OMU - Operations and Maintenance Unit
ONA - Open Network Architecture
ONC - Open Network Computing
ONC - Operational Navigational Chart
ONE - Other Network Entities
ONI - Office of Naval Intelligence
ONMS - Open Network Management System
ONP - Open Network Provision
ONR - Office of Naval Research
ONS - Office of NATO Standardization
ONS - On Premise Station
ONST - Outline NATO Staff Target
ONT - Optical Network Termination
ONT - Out-of-National Territory
ONU - Optical Network Unit
OO - Object Oriented
OOA - Object Oriented Analysis
OOA - Out Of Area
OOA/D - Object Oriented Analysis/Design
OOAD - Object Oriented Analysis and Design
OOB - Order Of Battle
OOB - Order of Battle
OOB - Out of Band
OOD - Object Oriented Design
OOD - Officer of the Deck
OODA - Object Oriented Design with Assemblies
OODA - Observe, Orient, Decide and Act
OODBMS - Object Oriented Data Base Management System
OOF - Object of Functionality
OOF - Out of Frame
OOI - Object Oriented Interface
OOK - On Off Keying
OOM - Object Oriented Methods
OOM - Object Oriented Modeling
OOP - Object Oriented Programming
OOPL - Object Oriented Programming Language
OOPSLA - Object Oriented Programming, Systems, Language and Applications (annual conference)
OOR - Operator Override
OOSE - Object Oriented Software Engineering
OOSE - Object Oriented Systems Engineering
OOT - Object Oriented Technologies
OOT - Object Oriented Technology
OOTB - Out Of The Box
OOTW - Operations Other Than War
OOV - Object Of Verification
OOW - Out Of Warranty
OP - Operational Picture
OP - Operations
OP - Order Processing
OP - Other Procurement
OP-AMP - Operational Amplifier
OP/A/N/AF - Other Procurement (Appropriation), Army/Navy/Air Force
OPA - Oil Pollution Act
OPAC - Online Payment and Collection System
OPAC - Online Public Access Catalog
OPASTCO - Organization for the Promotoion and Advancement of Small Telecommunications Companies
OPC - Optical Proximity Correction
OPCEN - Operations Centers/Command Centers
OPCODE - Operation Code
OPCODE - Operational Code
OPCOM - Operational Command
OPCON - Operational Control
OPD - Organizational Process Definition
OPDEC - Deception Operations
OPDEC - Operational Deception
OPE - Other Plant Equipment
OPER - Operator
OPEVAL - Operational Evaluation
OPF - Organizational Process Focus
OPFAC - Operational Facility
OPFOR - Opposing Forces
OPG - Organizational Process Group
OPGEN - Operational Formatted Message
OPHS - Office of Public Health and Science
OPI - Office of Primary Interest
OPI - Optional Procedure Indicator
OPINTEL - Operational Intelligence
OPK - OEM Preinstallation Kit
OPLAN - Operation Plan
OPLAN - Operational Plan
OPLAN - Operations Plan
OPLANS - Operational Plans
OPLAW - Operational Law
OPLSM - Operational Phase Logistic suuport Manager
OPM - Office of Personnel Management
OPMS - Officer Personnel Management System
OPN - Open
OPN - Other Procurement Navy
OPNAV - Chief of Naval Operations
OPNAV - Office of the Chief of Naval Operations
OPNAVINST - Chief of Naval Operations Instruction
OPNAVINST - Office of the Chief of Naval Operations Instruction
OPNET - Operations Network
OPORD - Operation Order
OPORD - Operational Order
OPORD - Operations Order
OPORDER - Operations Order
OPP - Off-load Preparation Party
OPP - Operational Planning Process
OPP - Organizational Process Performance
OPR - Office of Primary Responsibility
OPRB - Operational Planning and Review Board
OPREP - Operation Report
OPREP - Operational Report
OPS - Operating Subsystem
OPS - Operational
OPS/CHK - Operational Check
OPSEC - Operational Security
OPSEC - Operations Security
OPSG - Operation Plans Steering Group
OPSIT - Operational Situation
OPSTR - Operational Strength
OPT - Open Protocol Technology
OPT - Operational Planning Team
OPT - Operations Planning Tool
OPT - Optional Modification
OPTADS - Operations Tactical Data System
OPTADS - Operations Tactical Data Systems
OPTAR - Operating Target
OPTARTD - Operating Target
OPTASK - Operational Task
OPTEVFOR - Operational Test and Evaluation Force
OPTN - Option
OPX - Off Premise Extensions
OR - Operational Requirement
OR - Operations Research
OR - Other ranks
OR/SA - Operations Research/Systems Analysis
ORA - Organizational Registration Authority
ORACLE - Operational Research and Critical Link Evaluation
ORB - Object Request Broker
ORB - Operation Request Block
ORBAT - Order of Battle
ORBL - Operational Requirements Baseline
ORCA - Operational Requirement based Casualty Assessment
ORCA - Optimized Robot for Chemical Analysis
ORD - Operational Requirements Document
ORD - Ordnance
ORDALT - Ordnance Alteration
ORDALTS - Ordnance Alterations
ORDBMS - Object/Relational Data Base Management System
ORDQ - Order Qualification
ORE - Operational Readiness Evaluation
ORG - Origin
ORI - Operational Readiness Inspection
ORID - Operational Requirements Document
ORMS - Operating Resource Management System
OROM - Optical Read Only Memory
ORP - Operational Readiness Platform
ORREQ - Origination Request
ORSA - Operations Research Systems Analysis
ORSE - Operational Reactor Safeguards Exam
ORSMC - Off Route Smart Mine Clearance
ORT - OSD Review Team
ORT - Ongoing Reliability Testing
ORT - Operational Readiness Test
ORT - Operationally Ready Time
ORTA - Office Research and Technology Applications
ORTP - Operational Readiness Test Program
ORWG - Operational Requirements Working Group
OS - Open System
OS - Operating Software
OS - Operating System
OS - Operational Suitability
OS/2 - Operating System 2
OSA - Open Service Architecture
OSA - Open Systems Architecture
OSA - Operational Support Aircraft
OSA - Operational Support Airlift
OSA - Operational Support Authority
OSA - Outfitting Support Activity
OSAMM - Optimum Supply and Maintenance Model
OSB - Operational Stations Book
OSC - Office of Standards Compliance
OSC - On Scene Commander
OSC - On Scene Coordinator
OSC - Operating System Control
OSC - Operations Support Center
OSC - Operators Services Complex
OSCAR - Online Scanning And Retrieval
OSCC - Open Skies Consultive Commission
OSCE - Organization for Security and Cooperation in Europe
OSCR - Operating and Support Cost Reduction
OSD - Office of the Secretary of Defense
OSD - On Screen Display
OSD - Open Software Description
OSD(C) - Office of the Secretary of Defense (Comptroller)
OSDN - Open Source Development Network
OSE - Officer Scheduling the Exercise
OSE - Open System Environment
OSE - Open Systems Environment
OSE/IA - Open System Environment Profile for Imminent Acquisition
OSEA - Organization for Synthetic Environment Architecture
OSF - Open Software Forum
OSF - Open Software Foundation
OSF - Open Systems Foundation
OSGI - Open Serve Gateway Initiative
OSH - Occupational Safety and Health
OSHA - Occupational Safety and Health Administration
OSHA - Occupational Safety and Health AdministrationÊ
OSI - Office of Special Investigations
OSI - On Site Inspection
OSI - Open Switching Interval
OSI - Open System Interconnection
OSI - Open System Interface
OSI - Open Systems Interconnect
OSI - Open Systems Interconnection
OSI - Open Systems interconnection
OSI - Other Security Interests
OSIA - On-Site Inspection Agency
OSINT - Open Source Intelligence
OSIP - Operational safety and Improvement Program
OSIRIS - Optimized Synthetic Infrared Interactive Simulation
OSIRM - Open Systems Interconnection Reference Model
OSIS - Ocean Surveillance Information System
OSIS - Open Source Information System (CIA)
OSM - Operating System Service Module
OSMN - Operations and Maintenance Navy
OSN - One Stop Notification
OSO - Offensive System Operator
OSOCC - On Site Operations Coordination Center
OSOR - Operational Stand Off Range
OSP - Open Settlement Protocol
OSP - Optimized Software Process
OSP - Other Service Program
OSPF - Open Shortest Path First
OSPG - Operation Support Group Prototype
OSQAM - Operating Standards and Quality Assurance Manual
OSQL - Object-oriented Structured Query Language
OSR - On Site Representative
OSR - On-Site Rep
OSRM - Open System Reference Model
OSRP - Own Ship Reference Point
OSS - Online Schedule System
OSS - Operational Support System
OSS - Operations Support System
OSSC - On Scene Surveillance Coordinator
OSSP - Organization Standard Software Process
OST - Online Service Provider
OST - Open Skies Treaty
OST - Operational Requirements Document Support Team
OSTA - Optical Storage Technology Association
OSTP - Office of Science and Technology Policy
OSU - Oceanographic Support Unit
OSU - Operators Support Unit
OT - Operational Test
OT - Order Type
OT&E - Operational Test and Evaluation
OT&E - Operator Training and Evaluation
OTA - Office of Technology Assessment
OTA - Open Travel Alliance
OTA - Operational Test Agency
OTA - Operational Transconductance Amplifier
OTAD - Over The Air Distribution
OTAD - Over-The-Air Key Distribution
OTAPA - Over-the-Air Parameter Administration
OTAR - Over The Air Rekeying
OTAR - Over-The-Air-Rekeying
OTAT - Over-The-Air Key Transfer
OTAT - Over-The-Air-Transfer
OTAU - Over The Air Update
OTAU - Over The Air Updating
OTC - Officer in Tactical Command
OTC - On Tape Catalog
OTC - Operational Test Coordinator
OTCIXS - Officer Tactical Command Information Exchange System
OTCIXS - Officer in Tactical Command Information Exchange Subsystem
OTD - On Time Delivery
OTD - Operational Test Director
OTDR - Optical Time Domain Reflector
OTDR - Optical Time-Domain Reflectometer
OTE - Operational Test Environment
OTE - Operational Test and Evaluation
OTE - Operator Training Equipment
OTFI - One Time Feature Indicator
OTG - Over-the Horizon Targeting Gold message format
OTH - Over The Horizon
OTH-B - Over The Horizon Backscatter
OTH-T - Over The Horizon Targeting
OTHT - Over The Horizon Targeting
OTI - Office of Technical Integration
OTI - Office of Technical Integration (DISA)
OTI - Open Telecom Infrastructure
OTIS - Office of Telecommunications and Information Systems
OTM - Object Transaction Manager
OTM - On The Move
OTN - Optical Network Terminal
OTNT - Optical Transport Networks and Technologies
OTOH - On TheOther Hand
OTP - One Time Programmable
OTP - One-Time Pad
OTP - One-Time Programmable
OTP - Open Trading Protocol
OTP - Operational Test Plans
OTPI - On Top Position Indicator
OTPS - Operational Test Program Set
OTRR - Operational Test Readiness Review
OTS - OSI Transparent Services
OTS - Off-The-Shelf
OTS - Officer Training School
OTS - Open Transport Service
OTSR - Optimum Track Ship Routing
OTT - Ocean Tactical Targeting
OTT - Office of Technology Transition
OTT - One-Time Tape
OTTR - OPEVAL Test Readiness Review
OU - Organizational Unit
OUG - Operational User Group
OUSD(A&T) - Office of the Under Secretary of Defense for Acquisition & Technology
OUSD(A&T) - Office of the Under Secretary of Defense for Acquisition and Technolog
OUSD(A&T)/S&TS/EW - Office of the Undersecretary of Defense for Acquisition and Technology/Strategic and Tactical Systems/Electronic
OUSD(AT&L) - Office of the Under Secretary of Defense (Acquisition, Technology and Logistics)
OUSD(P&R) - Office of the Under Secretary of Defense for Personnel & Readiness
OUT - Outsize Cargo
OV - Operational Value
OV - Operational View
OVHD - Over Head
OVI - Operator Vehicle Interface
OVR - Oversize Cargo
OVTQ - Over Torque
OW - Obstacle Warning
OW - Operating Wing
OW - Outer Wing
OWC - Operational Watch Commander (Navy)
OWDM - Original Water Depth Mine
OWL - Object Windows Library
ObAM - Object Action Manager
Obj - Objective
OiC - Officer in Charge
Op - Operation
OpenHCI - Open Host Controller Interface
Ops - Operations per second
o/p - Output
obs. - Obsolete
omicron - Observed Point Estimate Mean-Time-Between-Failure