Index Military Acronyms, Initialisms, and Abbreviations

O 1immediate precedence, 2aircraft symbol – observation, 3[JP 1-02] contour pattern

O&A 1operations and analysis, 2over and above

O&B out and back

O&D organization and deployment

O&I organization and intermediate

O&M 1operator and maintainer, 2operations and maintenance, 3organization and methods, 4[AR 310-50] operation and maintenance

O&MFH [AR 310-50] operation and maintenance, family housing

O&O operational and organizational

O&O plan operational and organizational plan (obsolete, see MNS, sense 1)

O&S 1operating and support, 2operations and support, 3operations and sustainment

O-B octal to binary

O-H octal to hexadecimal

O/A operations/administration

O/B [JP 1-02] outboard

O/C 1observer/controller, 2on completion

O/F orbital flight

O/H on hand

O/I operations/intelligence

O/M operations and maintenance

O/O on/off

O/P ownership/purpose code

O/R 1overrange, 2override

O/S operations and support

O/S CMP operational/support configuration management procedures

OA 1operating authorization, 2operations analysis, 3output axis, 4office automation, 5operational area, 6operational analysis, 7operational architecture, 8obligation authority, 9operational assessment, 10open architecture, 11[JP 1-02] objective area; 12[JP 1-02] operating assembly, 13[AR 310-50] on or about

OA-37B Dragonfly

OAA open agent architecture

OAB one-to-all broadcast

OAC 1operator access console, 2officer advanced course, 3operating agency code

OACIS over and above centralized information system

OACSI Office of the Assistant Chief of Staff, Intelligence

OAD 1operational availability date, 2open architecture driver [Bernoulli], 3[AR 310-50] ordered to active duty

OADR originating agency’s determination required

OADSS Office Assignment Decision Support System (USMC)

OAD [AR 310-50] ordered to active duty

OAE [JP 1-02] operational area evaluation

OAFME [JP 4-06] Office of the Armed Forces Medical Examiner

OAG 1official airline guide, 2online air guide

OAI open applications interface

OAISN JCS Automated Information System Network

OAJCG [JP 3-07.4] Operation Alliance Joint Control Group

OALC Ogden Air Logistics Center (AFLC)

OAM operator assistance menu

OAMP optical analog matrix processing

OAP offset aiming point

OAR 1operational analysis and research, 2open air range, 3[JP 1-02] Chairman of the Joint Chiefs of Staff Operation Plans Assessment Report

OARB [AR 310-50] Oakland Army Base

OARS open architecture retrieval system

OAS 1one-to-all scatter, 2offensive air support, 3Offensive Avionics System (B-52s), 4Organization of American states, 5office of aerospace study, 6office of the assistant secretary

OASA (MRA) Office of the Assistant Secretary of the Army (Manpower and Reserve Affairs)

OASA (RDA) Office of the Assistant Secretary of the Army (Research, Development, and Acquisition)

OASC office automation support center

OASD Office of the Assistant Secretary of Defense

OASD(AE) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (Atomic Energy)

OASD(C) Office of the Assistant Secretary of Defense, Comptroller

OASD(FM&P) [CJCSI 3410.01] Office of the Assistant Secretary of Defense Force Management and Personnel

OASD(HA) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (Health Affairs)

OASD(ISA) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (International Security Affairs)

OASD(ISP) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (International Security Policy)

OASD(LA) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (Legislative Affairs)

OASD(MI&L) [JP 1-02] Office of the Assistant Secretary of Defense (Manpower, Installations, and Logistics)

OASD(P&L) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (Production and Logistics)

OASD(PA) Office of the Assistant Secretary of Defense (Public Affairs)

OASD(R&T) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (Research and Technology)

OASD(RA) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (Reserve Affairs)

OASD(SO/LIC) [JP 1-02] Office of the Assistant Secretary of Defense (Special operations/Low Intensity Conflict)

OASF Office Automation System Facility (Honeywell)

OASIS 1Operational Application of Special Intelligence Systems (USN), 2Operational Analysis Strategic Interaction Simulator (ICBMs), 3operational applications of special intelligence systems, 4operation audit summary information systems

OASYS Operability Assessment System

OAT 1outside air temperature, 2[AR 310-50] operational acceptance test

OAU Organization of African Unity

OAWC overseas air weapons control

OAWF objective acquisition work force

OAWRP other acquisition war reserve protectable

OAY outstanding airmen of the year

ob [AR 310-50] obsolete

OB 1order of battle, 2output buffer, 3operating budget

OB1KB order of battle version 1 knowledge based

OBA 1operating budget authority, 2oxygen breathing apparatus, 3obsolete asset, 4on board allowance (USN)

OBAC organization based access control

OBAD operating budget authority document

OBAN operating budget account number

OBC officer basic course

OBCE operational baseline cost estimate

OBD on board diagnostics

OBE 1operating basis event, 2overcome by events

OBEX object exchange [Borland]

OBFS [JP 1-02] offshore bulk fuel system

OBI 1omnibearing indicator, 2online book initiative

OBIGGS On Board Inert Gas Generating System

obj 1objective, 2[AR 310-50] object

OBJ object

OBL 1obligated, 2ocean bill of lading

OBLAUTH [AR 310-50] obligation authority

oblg [AR 310-50] obligate

OBO official business only

OBOGS on board oxygen generating system

OBRA Omnibus Budget Reconciliation Act

OBRP on board repair part

obs [AR 310-50] obsolete

OBS 1omnibearing selector, 2omni bearing selector, 3organizational breakdown structure, 4OSIS Baseline System (USN), 5obsolete

obsn [AR 310-50] observation

OBST [JP 1-02] obstacle

OBT 1on-board training, 2observer training

OBU 1Ocean Information System Baseline Upgrade (USN), 2OSIS Baseline Upgrade (USN)

OBY operating budget year

OC 1observer/controller, 2operations control, 3operating characteristic, 4operating curve, 5operational computer, 6outside circumference, 7overcurrent, 8operational capability, 8operational concept, 10operational condition, 11operations center, 12optical carrier, 13observer computer, 14operational capability, 15officer commanding, 16operations communications, 17[AR 310-50] officer candidate, 18[AR 310-50] operations central

OC&S [Army] Ordnance Center and School

OC-ALC Oklahoma City Air Logistic Center

OCA 1original classification authority, 2operational control authority, 3offensive counterair, 4obstacle clearance altitude, 5oceanic control area, 6operating cost authority, 7operational contracting activity, 8[AR 310-50] Office of the Comptroller of the Army

OCAC operations control and analysis center

OCAKA [JP 1-02] observation and fields of fire, cover and concealment

OCAL on-line cryptanalytic aid language

OCALC Oklahoma City Air Logistic Center

OCAR Office of the Chief of Army Reserves

OCAS 1on-line cryptanalytic aid system, 2[AR 310-50] Office, Coordinator of Army Studies

OCB [AR 310-50] Operations Coordinating Board

OCBB operating cost based budget

OCC 1operational computer complex, 2operational control center, 3[JP 1-02] Coast Guard Operations Computer Center, 4[AR 310-50] operational control console

OCCA ocean cargo clearance authority

OCCH [AR 310-50] Office of the Chief of Chaplains

OCCIS [AR 310-50] Operational Command and Control Intelligence System

OCCMED [AR 310-50] occupational medicine

OCCR organization cost center record

OCCS [AR 310-50] operational command and control system

OCD 1operational concept document, 2operational concept demonstration, 3operational concept description, 4[JP 1-02] orderwire clock distributor

OCDEP&S [JP 3-07.4] Office of the Coordinator for Drug Enforcement Policy and Support

OCDETF [JP 3-07.4] Organized Crime Drug Enforcement Task Force (DOJ)

OCDU optics coupling display unit

OCE 1Officeof the Chief of Engineers (Army), 2open collaborative environment [Apple], 3[JP 3-04.1] officer conducting the exercise

OCEANCON [JP 1-02] control of oceanographic information

OCF 1objects components framework [Borland], 2operational check flight

OCH obstacle clearance height

OCHAMPUS [AR 310-50] Office for the Civilian Health and Medical Program of the Uniformed Services

OCI 1office of complaint investigation, 2office of corollary interest, 3organizational conflict of interest

OCIE organizational clothing and individual equipment

OCJCS [JP 1-02] Office of the Chairman of the Joint Chiefs of Staff

OCJCS-PA [JP 3-61] Office of the Chairman of the Joint Chiefs of Staff - Public Affairs

OCL 1operational control level, 2operator control language, 3operation control language

OCLL Office, Chief of Legislative Liaison (Army)

OCM 1optical countermeasures, 2organization computer manager, 3[AR 310-50] on-condition maintenance

OCMH [AR 310-50] Office of the Chief of Military History

OCMI 1Office of the Chief of Military Intelligence, 2[JP 1-02] officer in charge, Marine inspection

OCO 1open-close-open, 2operation capability objectives, 3operational contracting officer, 4[JP 1-02] offload control officer

OCOCA observation and fields of fire concealment and cover obstacles, key terrain, and avenues of approach and mobility corridors

OCOKA [FM 101-5-1] observation, concealment, obstacles, key terrain, and avenue of approach (Army)

OCONUS outside of the continental United States

OCOP [JP 1-02] outline contingency operation plan

OCP 1operational checkout procedure, 2operating control procedure, 3operational capability plan, 4optical storage processor, 5ocean surveillance product, 6organic change proposal, 7[JP 1-02] operational configuration processing, 8[AR 310-50] office of civilian personnel

OCPA [AR 310-50] Office of the Chief of Public Affairs

OCPCSB operational computer program configuration sub-board

OCPO office of civilian personnel operations

OCR 1operational capabilities requirement, 2optical character reader, 3operational change report, 4optical character recognition, 5overcurrent relay, 6overhaul component requirement, 7office of collateral responsibility, 8operational capability release, 8operational control room, 10office of coordinating responsibility, 11operational change request

OCRE optical character recognition equipment

OCRS Operational Change Reporting System (DNA)

OCS 1Officer Candidate School, 2optimum class size, 3on-card sequencer, 4[FM 101-5-1] offensive counterspace

OCSA Office of the Chief of Staff of the Army

OCT 1operational climatic testing, 2[AR 310-50] Officer Candidate Test

OCTC operators console transfer channel

OCU 1operational capability update, 2[JP 1-02] orderwire control unit (Types I, II, and III)

OCU-1 [JP 1-02] orderwire control unit-1

OCV open circuit voltage

OCX OLE control extensions

OD 1operations directive, 2optical density, 3output data, 4outside diameter, 5officer of the day, 6[JP 1-02] operational detachment, 7[JP 1-0] other detainee, 8[AR 310-50] Ordinance Corps

OD(PAE) Office of the Director, Program Analysis and Evaluation

OD3 operational data dictionary/directory

ODA 1operational data analysis, 2operational design and analysis, 3office document architecture, 4open document architecture, 5original design activity, 6[JP 1-02] operational detachment-Alpha

ODA/ODIF office document architecture/office document interchange format

ODAPI Open Database Application Programming Interface [Borland]

ODARS Occupational Data, Analysis, Requirements, and Structure Program (formerly called AOSP)

ODATE [JP 1-02] organization date

ODB 1object oriented database, 2[JP 1-02] operational detachment-Bravo

ODBC 1object-oriented database connectivity, 2open database connectivity [Microsoft]

ODBMS object-oriented database management system (also see OODMS)

ODC 1office of defense cooperation, 2other direct cost, 3ozone depleting chemical

ODCOPS Office of the Deputy Chief of Staff for Operations and Plans

ODCR Operations Deputies Conference Room (NMCC)

ODCSCD Office of the Deputy Chief of Staff for Combat Developments

ODCSCDD Office of the Deputy Chief of Staff for Concepts, Doctrine, and Developments

ODCSINT Office of the Deputy Chief of Staff for Intelligence

ODCSLOG Office of the Deputy Chief of Staff for Logistics

ODCSOPS Office of the Deputy Chief of Staff for Operations and Plans

ODCSPER Office of the Deputy Chief of Staff for Personnel

ODCSRDA Office of the Deputy Chief of Staff for Research, Development, and Acquisition

ODCST Office of the Deputy Chief of Staff for Training

ODD offboard deception device

ODDRE [AR 310-50] Office of Director of Defense Research and Engineering

ODH VI Operation Desert Hammer VI

ODI 1open data link interface, 2open data interface, 3open device interconnect [NetWare]

ODIF office document interchange format

ODIN [JP 1-02] Operational Digital Network

ODISC4 Office of the Director of Information Systems Command, Control, Communications, and Computers

ODJS [CJCSI 3410.01] Office of the Director, Joint Staff

ODL 1object definition language, 2ORACLE Data Load, 3open document language

ODM 1object data manager [IBM], 2operational development model, 3organizational domain modeling

ODMA open document management API

ODMG object data management group

ODN own doppler nullifier

ODO other disbursing office

ODOP offset doppler

ODP 1Officer Distribution Plan, 2original document processing, 3open distributed processing, 4Office of Defense Procurement, 5outline development plan

ODR 1officer of defense resources, 2omnidirection range, 3[JP 1-02] office of defense representative

ODRI [AR 310-50] Office of United States Defense Representative, India

ODRP Office of the Defense Representative, Pakistan

ODS 1open data services [Microsoft], 2optical disk system, 3optical data system, 4ozone depleting substance

ODS/S Operation Desert Shield/Storm

ODSI open directory service interface [Microsoft]

ODSS on order delivery schedule status

ODT 1octal debugging technique, 2open desktop, 3omni-directional transmission, 4overseas deployment training, 5optical digital technology

ODTC Office of Defense Trade Controls (DoS)

ODTP Office of Defense Trade Policy (DoS)

ODTS [AR 310-50] optical discrimination and tracking system

ODU output display unit

ODUSA(OR) Office of the Deputy Under Secretary of the Army for Operations Research

ODUSD Office of the Deputy Under Secretary of Defense

ODWSA [AR 310-50] Office of the Directorate of Weapon System Analysis

ODZ outer defense zone

oe oersted [ampere per meter]

OE 1open end, 2operating engineer, 3output enable, 4operational element, 5operational effectiveness, 6[AR 310-50] organizational effectiveness

OEA 1ocean executive agent, 2office of economic adjustment, 3[AR 310-50] organizational expense accounts

OEC 1Operational Evaluation Command, 2[AR 310-50] operational employment concept

OEC/TEXCOM Operational Evaluation Command/Test and Experimentation Command

OECD Organization for Economic Cooperation and Development

OECS Organization of Eastern Caribbean States

OED 1operational effectiveness demonstration, 2offer expiration date

OEG 1OPSEC executive group, 2[FM 101-5-1] operation exposure guide, 3[AR 310-50] organization and equipment guide

OEL [AR 310-50] organization equipment list

OEM 1original equipment manufacturer, 2original engine manufacturer, 3[AR 310-50] on equipment materiel

OEO Office of Economic Opportunity

OEP 1Office of Emergency Preparedness, 2operand execution pipeline, 3[AR 310-50] Office of Emergency Planning, 4[AR 310-50] operational employment plan

OER 1officer evaluation report, 2officer effectiveness report, 3operational effectiveness rate, 4[JP 1-02] operational electronic intelligence (ELINT) requirements

OERS [AR 310-50] Officer Evaluation Reporting System

OES 1office evaluation system, 2Officer Education System, 3[JP 3-08] office of emergency services

OESS Organizational Effectiveness Survey System

OET office of emergency transportation

OF 1output factor, 2outside face, 3operational functionality, 4overflow flag, 5operation files, 6optional form, 7[JP 1-02] officer(s) (North Atlantic Treaty Organization)

OFB output feedback (mode)

ofc [AR 310-50] office

OFC operational flight control

OFCCP Office of Federal Contract Compliance Programs

OFCO Office of the Federal Coordinating Officer

OFDA [JP 1-02] Office of Foreign Disaster Assistance

OFE 1open finance exchange [Microsoft], 2operative functional element

OFEC [AR 310-50] Office of Federal Employees' Compensation

OFGR [AR 310-50] objective force gross requirement

OFHIS [JP 4-02.1] Operational Fleet Hospital Information System

OFMT output format for numbers

OFOESA [JP 3-07.3] Office of Field Operational and External Support Activities

OFP 1operating force plan, 2operational flight program

OFPP Office of Federal Procurement Policy (OMB)

OFR 1overfrequency relay, 2on-frequency repeater

OFS 1object file system [Microsoft], 2output field separator, 3officer foundation standards, 4order of free state

OFSD operating flight strength diagram

OFT 1operational flight trainer, 2[AR 310-50] observed fire trainer

OG 1operations group, 2outer gimbal, 3[AR 310-50] officer of the guard

OGA 1outer gimbal axis, 2option generation aid, 3other Government agency

OGC Office of the General Counsel

OGE 1operational ground equipment, 2out of ground effect [see IGE], 3Office of Government Ethics

OGLA Officer Grade Limittations Act

OGR outgoing repeater

OGS overseas ground station

OGT outgoing trunk

OGU outgoing unit

OH 1Ohio, 2operational hardware, 3off hook, 4overhead

OHA 1outside helix angle, 2operating hazard analysis

OHD over-the-horizon detection

OHF occupational health facility

OHM office of hazardous materials

ohm-cm ohm-centimeter (also shown as W-cm)

OHMP [AR 310-50] United States Army Oral Health Maintenance Program

OHQ originating headquarters

OHSPC oil and hazardous substance pollution contingency

OI 1office of information, 2operating instructions, 3operations intelligence, 4organization integrator, 5organization integration, 6operating income, 7[JP 3-07.4] Office of Intelligence (USCS)

OIA operations intelligence automation (PACAF)

OIC 1officer in charge, 2on-line instrument and control program, 3operations instrumentation coordinator, 4optical integrated circuit, 5operational issue and criteria

OICA OPLAN implementation capabilities report

OICC 1operational intelligence crisis center, 2[JP 1-02] Operational Intelligence Coordination Center, 3[AR 310-50] officer in charge of construction

OICP Office for International Cooperative Program

OICR 1operation, implementation, capabilities report (AFCC), 2operational intelligence collection requirement

OICW objective individual combat weapon

OID 1object identifier [database], 2[JP 1-02] OPORD (operation order) identification

OIDL object interface definition language

OIDP [AR 310-50] Overseas Internal Defense Policy

OIDR occupational illness and data registry

OIE operational independent evaluator

OIG 1optically isolated gate, 2operations interface group, 3office of inspector general

OIG, DoD Office of the Inspector General, Department of Defense

OIG-A Office of Inspector General, Auditing

OILM organizational and intermediate level maintenance

OIM organizational intermediate maintenance

OIMDDR organizational intermediate maintenance depot demand rate

OIPAAR [AR 310-50] Office of Industrial Personnel Access Authorization Review

OIPT overarching integrated product team

OIR 1operational and information requirements, 2[JP 1-02] other intelligence requirements, 3[JP 1-02] operational intelligence requirements

OIRA Office of Industrial Resource Administration

OIRM Office of Information Resources Management

OIS 1Office Information System (JCS), 2operational intercommunication system, 3operational integration site, 4[AR 310-50] operating information system

OIS/IGP office information system intelligent gateway processor

OISE office information system equipment

OISI Office of Industrial Security International

OISP [AR 310-50] overseas internal security program

OISS operational intelligence support system

OIT office software development and information technology (GSA)

OITC officer-in-tactical command

OIU operator interface unit

OIWG operations-intelligence working group

OJCS Office of the Joint Chiefs of Staff

OJE on the job experience

OJT on-the-job training

OK Oklahoma

OL 1open loop, 2overload, 3operating level, 4operating license, 5operating location, 6overload relay

OL-A Operating Location Alpha (Afsat, Usaf)

OL-ALC Oklahoma City Air Logistic Center

OLA 1On-Line AUTODIN (USN), 2Office of Legislative Affairs (Navy)

OLAP on-line analytical processing

OLC 1on-line computer, 2operating location clerk, 3[AR 310-50] Oak Leaf Cluster

OLCMS On-Line Cargo Movement System (HQ USAF)

OLD [JP 1-02] on-line tests and diagnostics

OLDS ozone layer depleting substance

OLE 1object linking and embedding [Microsoft], 2organizational leadership for executives

OLERT on-line executive for real time

OLF [AR 310-50] outlying field

OLI optical line interface [AT&T]

OLIP on-line instrument package

OLLS operational logistics support summary (USN)

OLM on-line monitor

OLMC output logic macrocell

OLOS out of line-of-sight

OLPARS On-Line Pattern Analysis and Recognition System

OLPS on-line programming system

OLR 1objective loudness rating, 2off-line recovery

OLRP on-line report processor

OLRT on-line real-time

OLS [JP 1-02] optical landing system

OLSC on-line scientific computer

OLSP 1on-line service provider, 2operational logistic support plan

OLSS 1on-line software system, 2[AR 310-50] overseas limited storage site

OLTP 1on-line transaction processing, 2on-line transaction processor

OLV open-flame low voltage

OLVIMS On-line Vehicle Interactive Management System

OM 1operations manager, 2optical master, 3computer operator's manual, 4computer operations manual, 5operations manual, 6operations module, 7object manager, 8outer marker, 9operational manager, 10[JP 1-02] contour multiunit

OM/A operation and maintenance (appropriation), Army

OM/AF operation and maintenance (appropriation), Air Force

OM/M operation and maintenance (appropriation), USMC

OM/N operation and maintenance (appropriation), Navy

OMA 1operations and maintenance, Army, 2orderly marketing agreement, 3object management architecture [Microsoft database], 4operations and maintenance appropriation, 5[TR 350-70] operations maintenance Army, 6[JP 1-02] Office of Military Affairs (CIA)

OMADP Office of the Military Attache for Defense Programs

OMAR Operations and Maintenance, Army Reserve

OMARNG [AR 310-50] operation and maintenance, Army National Guard

OMB 1Office of Management and Budget, 2outer marker beacon

OMBC Office of Management and Budget circular

OMC 1occupational measurement center, 2office of military cooperation

OMCFP Optimized MAC Computer Flight Plan

OME 1open messaging environment (protocol), 2operational mission environment

Omega long-range navigation aid

OMEI 1other major equipment item, 2other major end item

OMEW Office of Missile Electronic Warfare (Army)

OMF 1organization master file, 2Officer Master File, 3object module format [Microsoft], 4open media framework, 5open message format, 6operational mission failure, 7[AR 310-50] operation and maintenance of facilities

OMFBAA [AR 310-50] operation and maintenance of facilities budget activity account

OMFCA [AR 310-50] operation and maintenance of facilities cost account

OMFCU Outboard Message Format Conventional Unit (NAVELEX)

OMFTS operational maneuver from the sea

OMG 1operational maneuver group, 2object management group

OMI 1open messaging interface [Lotus], 2operator message input, 3open microprocessor initiative, 4operator/machine interface

OMIS [AR 310-50] office, management information systems

OML 1object manipulation language, 2order of merit list

OMM operation and maintenance manual

OMNG Operations and Maintenance, National Guard

OMNI Mobilization and Deployment Database (FORSCOM)

OMNIBUS operational readiness analysis

OMNS open network management system

OMO operator message output

OMPE operation and maintenance by program element report

OMPF official military personnel file

OMPR optical mark page reader

OMR 1output message report, 2optical mark reader, 3optical mark recognition

OMS 1operational mode summary, 2object management system [RSG], 3operational monitoring system, 4Ordnance Management System (USN), 5office of military support, 6[AR 310-50] organizational maintenance shop

OMS/MP operational mode summary/mission profile

OMT 1object modeling technique [database], 2organizational maintenance trainer, 3other military targets, 4[JP 1-02] orthogonal mode transducer, 5[AR 310-50] organizational maintenance technician

OMTS 1operational maintenance test station, 2[AR 310-50] organizational maintenance test station

OMU optical measuring unit

OMVTO [AR 310-50] office, motor vehicle transportation officer

on-line accessible on an automated system

ONA open network architecture

ONAS Office of Naval Acquisition Support

ONC 1open network computing [Sun], 2[AR 310-50] operational navigation chart

OND 1operational need date, 2order need date

ONDCP [JP 1-02] Office of National Drug Control Policy

ONDS open network distribution services [IBM]

ONE open network environment [Netscape]

ONESAF [TR 350-70] one semi-automated force

ONI Office of Naval Intelligence

ONLEXCRT On-Line Exercise Critique System (JCS)

ONO Office of Naval Operations

ONPG Operations Nuclear Planning Group

ONR Office of Naval Research

ONS operational needs statement

ONT Office of Naval Technology

ONU optical network unit

OO 1object oriented, 2[AR 310-50] on order

OO-ALC Ogden Air Logistics Center

OOA 1object oriented analysis, 2out of area

OOAMA [AR 310-50] Office, Ogden Air Material Area

OOB order of battle

OOC out-of-cycle

OOD 1object oriented design, 2object oriented development, 3officer of the deck (USN)

OODA 1observation-orientation-decision-action, 2[TTPIO-ABCS] observe, orient, decide, and act

OODB object-oriented database

OODBMS object oriented database management system

OODMS object-oriented database management system (also see ODBMS)

OOK on-off keying

OOL 1object-oriented [computer] language, 2operator oriented language

OOLR overall objective loudness rating

OOM 1order of march, 2object oriented method, 3[AR 310-50] officers' open mess

OOOS object-oriented operating system

OOP 1object oriented programming, 2overseas order point

OOPL object-oriented programming language

OOPS 1off-line operating simulator, 2object oriented programming and systems

OOS 1object-oriented system, 2off-line operating simulator, 3out of service

OOSS [AR 310-50] overseas operational storage site

OOT object-oriented technology

OOTW operations other than war (obsolete, see SASO)

OOUI object oriented user interface

OOV objects of verification

op 1operations, 2[AR 310-50] operate, 3[AR 310-50] operated, 4[AR 310-50] operation, 5[AR 310-50] operational, 6[AR 310-50] operator

Op operational precedence

OP 1observation post, 2operator, 3operating procedure, 4operational priority, 5output, 6over pressure, 7operation, 8operational performance, 9output processor, 10optical, 11out of print, 12operation support requirement, 13[JP 1-02] observation post; 14[JP 1-02] operational publication (USN), 15[JP 1-02] ordnance pamphlet, 16[AR 310-50] operational project

op amp operational amplifier

op code operation code

op. cit. opus citatum [the work quoted from]

OP/A other procurement (appropriation), Army

OP/AF other procurement (appropriation), Air Force

OP/N other procurement (appropriation), Navy

OP3 [JP 1-02] Overt Peacetime Psychological Operations Program

OPA 1Other Procurement, Army, 2optoelectric pulse amplifier, 3overview pac attribute [PCD], 4Officer Personnel Act

OPAC online public access catalog [Internet]

OPADEC optical particle decoy

OPALS Officer Projection Aggregate Level System

OPBAT [JP 3-07.4] Operation Bahamas, Turks, and Caicos

OPC 1optical photoconductor, 2organic photoconductor

OPCC Offutt Processing and Correlation Center

OPCEN [JP 1-02] Coast Guard Operations Center

OPCODE operational code

OPCOM 1operations communications, 2operational command

OPCON 1operational control, 2optimizing control

OPCONCTR Operations Control Center

OPD 1operand, 2output driver, 3[AR 310-50] Officer Personnel Directorate, MILPERCEN, 4[AR 310-50] officer distribution plan

OPDAR optical detection and ranging

OPDD operational plan data document

OPDEC operational deception (USN)

OPDEP operations deputy

OPDIR operational directive

OPDOC operational documentation

OPDS 1officer professional development seminar, 2[JP 1-02] offshore petroleum discharge system

OPE 1operations project engineer, 2other plant equipment

OPEC Organization of Petroleum Exporting Countries

OPED [AR 310-50] other pay entry date

OPELINT [JP 1-02] operational electronic intelligence

OPEN open protocol enhanced network

OPEVAL operational evaluation (Navy)

OPF [AR 310-50] official personnel folder

OPFAC operational facility

OPFOR opposing force(s)

OPG 1Operations Planners Group (JCS), 2[JP 3-07.4] operations planning group

OPGEN 1operation plan generation (PACFLT), 2operations general message

ophth [AR 310-50] ophthalmology

OPI 1open prepress interface, 2operator interface, 3office of primary interest, 4oral proficiency interview

OPIC overseas processing and interpretation center

OPLAN operation plan

OPLAN REV operation plan review (JCS)

OPLAW [JP 1-02] operational law

OPLIFT [JP 1-02] opportune lift

OPLOCS operating location

OPM 1Office of [civilian] Personnel Management, 2Office of Procurement and Materiel, 3operations per minute

OPMD officer personnel management directorate

OPMS Officer Personnel Management System

OPN 1open, 2Other Procurement, Navy

OPNAV 1Office of the Chief of Naval Operations (Navy Staff), 2[DoD/DSMC] Office of the Chief of Naval Operations Instruction (Navy)

OPNAVINST 1Navy operational instruction, 2[JP 1-02] Chief of Naval Operations Instruction

OPNET WWMCCS® Operational Network

OPNL RPTS operational reports

OPNOTE operational note

opns [FM 101-5-1] operations

OPO optical parametric oscillator

OPORD operations order

OPP 1octal print punch, 2order processing point, 3[JP 1-02] orderwire patch panel

OPPCE opposite commutator end

OPPLAN operation plan

OPPM outside principal period of maintenance

OPR 1office of primary responsibility, 2offsite procurement request, 3optical page reading, 4operation planning report, 5optical page reader, 6[AR 310-50] operational project requirement

OPRDY [AR 310-50] operationally ready

OPREP 1operational event/incident, 2[AR 310-50] operational reporting — examples:

OPREP–1 Operation and Planning Report–1
OPREP–2 Start Report
OPREP–3 Event/Incident Report
OPREP–4 Stop Report
OPREP–5 Summary Report

OPREPS operational reporting system

ops operations

OPS 1oil pressure switch, 2optical page reading, 3operational protection system, 4operations, 5on-line process synthesizer, 6Operations Processing System (OIA), 7Oracle parallel server, 8[JP 4-06] operational project stock

OPSAN Operations Analysis System (PACAF)

OPSCOM operational secure communications

OPSCOMM operational communications

OPSCON operations control [room]

OPSDEP operations deputy

OPSDEPS [JP 1-02] Service operations deputies

OPSEC operations security

OPSEC M&A operations security management and analysis section

OPSG operation planning steering group

OPSGP [TR 350-70] operations group

OPSMOD 1Operations Planning Module – (COMPES) (USAF), 2operational validation

OPSNET operations system network

OPSNOTE operations note

OPSORD operations order

OPSTAT 1operational status, 2operations status report (NATO)

OPSTK [JP 1-02] operational stock

OPSTR [AR 310-50] operating strength

OPSUM operational summary

OPT 1open protocol technology, 2operation planning tool, 3outline test plan, 4[JP 5-00.2] operational planning team

OPTA optimal performance theoretically attainable

OPTADS operations tactical data systems

OPTAR [JP 1-02] operating target

OPTEC Operational Test and Evaluation Command (Army)

OPTEMPO 1operational tempo, 2operating tempo

OPTEVFOR Operational Test and Evaluation Force (Navy)

OPTINT [JP 1-02] optical intelligence

OPUS 1octal program updating system, 2Officer Planning Utilization System (USMC)

OPVR operational performance validation report

OPW 1operating weight, 2orthogonalized plan wave

OPX off premise extension

OPZONE [JP 1-02] operation zone

OQE objective quality evidence

OQL object query language [database]

OQR [AR 310-50] officer's qualification record

OR 1operating reactor, 2operational readiness, 3operational requirement (Navy), 4operations research, 5Oregon, 6output register, 7outside radius, 8overhaul and repair, 9overload relay, 10operational report, 11operational research, 12operationally ready, 13owner's risk, 14[JP 1-02] other rank(s) (North Atlantic Treaty Organization)

OR/SA operations research/systems analysis

ORA 1output reference axis, 2odyssey research associates, 3operational requirement analysis, 4[AR 310-50] operations research analyst

ORACLE 1oversight of resources and capability for logistics effectiveness relational data, 2On-Line Inquiry and Report Generator (UNIX relational DB program)

ORAN orbital analysis

ORATE Ordered Random Access Talking Equipment

ORB 1object request broker [Microsoft], 2officer record brief, 3operations record book

ORBAT order of battle

ORBATTOA order of battle – transfer of authority

ORBIT 1on-line retrieval of bibliographic data, 2ORACLE binary internal translator

ORC 1on-line reactivity computers, 2operations research center, 3ordinance rocket center, 4offer release code

ORCA operations requirements continuity assessment

ORCEN [AR 310-50] overseas record center

ORCON 1originator control of information release, 2[JP 2-01.2] dissemination and extraction controlled by originator

ORCS on-line remote compile system

ord [AR 310-50] ordnance

ORD 1operational requirements document, 2operational readiness date, 3optical rotary dispersion, 4organizational requirements document, 5operational readiness document

ORD SDA systems device annex to the ORD

ORD TSR training support requirements (annex A) to the ORD

ORDB Occupational Research Data Bank

ORDENG ordnance engineering

ORDVAC Ordnance variable automatic computer

ORE 1occupational radiation exposure, 2operational readiness evaluation, 3operations readiness exercise

ORESTES intra-battle group tactical HF circuit

ORF 1origin, 2operational readiness float

ORFM outlet region feature model

org 1organization, 2[AR 310-50] organize, 3[AR 310-50] organized, 4[AR 310-50] organization

ORG 1operations research group, 2origin, 3[JP 1-02] origin (GELOC)

ORG ID organizational identification

ORGDEV organization developer

ORI 1online retrieval interface, 2operational readiness inspection

ORIT 1operational readiness inspection team, 2[AR 310-50] operational readiness inspection test

ORJETS on-line remote job entry terminal system

ORLA optimum repair level analysis

ORLL [AR 310-50] operational reports - lessons learned

ORLRAPS On-Line Remedial Action Progress System (JCS)

ORLY overload relay

ORM organizational record managers

ORMAS operational resource management assessment plan

ORNL Oak Ridge National Laboratories

OROM optical read only memory

ORP overhaul recovery percent

ORR 1operational radar replacement, 2overhaul replacement rate

ORRAS Optical Research Radiometrical Analysis System

ORS 1output record separator, 2operational reports section, 3operational requirements statement

ORSA operations research and systems analysts

ORSMC Off-Route Smart Mine Clearance System

ORT 1operational readiness test, 2overland radar technology, 3operational readiness training

ORTA office of research and technology application

ORTP [AR 310-50] operational readiness training program

ORTS operational readiness test system

ORTT [AR 310-50] operational readiness training test

ORU operator radio unit

ORUS orbital replacement units

ORWG operational requirements working group

OS 1operating strength, 2over-the-shoulder shot, 3[computer] operating system, 4operational sequence, 5organizational support, 6overseas, 7ordinary seaman, 8out of stock, 9operational suitability, 10[DoD/DSMC] open systems, 11[JP 1-02] contour single-unit

OS-JTF open system joint task force

OS&D over, short, and damaged

OS&M operational support and maintenance

OS/2 Operating System/2 [IBM]

OS/CMP operational support/configuration management plan

OS/E operating system/environment

OS/NDI other service/nondevelopmental item

OSA 1Office of the Secretary of the Army, 2open scripting architecture, 3open systems architecture, 4operational support airlift, 5operational support aircraft, 6open system approach, 7[AR 310-50] offshore acquisition

OSAD(C3I) [CJCSI 3410.01] Office of the Assistant Secretary of Defense (Command, Control, Communications, and Intelligence)

OSAF Office of the Secretary of the Air Force

OSAMM Optimum Supply and Maintenance Model

OSAT [JP 1-02] out-of-service analog test

OSATRMS operational resource tracking and management system

OSC 1on site safety committee, 2on scene commander, 3operational system control, 4operations support center, 5[AR 310-50] organizational supply code

OSCAR 1optimum systems covariance analysis results, 2Orbiting Satellite Carrying Amateur Radio, 3Operations Support Center (OSC) Automated Reports System (USAFE)

OSCE Organization for Security and Cooperation in Europe (formerly CSCE)

OSCP on-site computer programmer

OSCR operations and support cost reduction

OSD 1Office of the Secretary of Defense, 2operational sequence diagram, 3on-screen-display, 4operational systems development, 5operating strength deviation, 6[AR 310-50] over, short, and damaged report

OSD PSA Office of the Secretary of Defense principal staff assistant

OSD/C3I Office of Secretary of Defense/command, control, communications and intelligence

OSDBU Office of Small and Disadvantaged Business Utilization

OSDDEP&S [JP 3-07.4] Office of the Secretary of Defense for Drug Enforcement Policy and Support

OSDIDBAD [AR 310-50] Office of the Secretary of Defense identification badge

OSDIT Office of Software Development and Information Technology (GSA)

OSE 1OPSEC staff element, 2other support equipment, 3open systems environment, 4operational support equipment, 5[JP 1-02] on scene endurance

OSF 1Open Software Foundation, 2operational support facility (WIS)

OSGP Operations Support Group Prototype (PACFLT)

OSH occupational safety and health

OSHA 1Occupational Safety and Health Administration, 2Occupational Safety and Health Act

OSI 1Office of Special Investigations (USAF), 2Office of Scientific Intelligence, 3open systems interconnection, 4on-site inspection, 5open standards interconnection, 6operating space item, 7[JP 1-02] operational subsystem interface, 8[AR 310-50] Office of Strategic Information

OSI/RM open system interconnection/reference model

OSIA 1on-site inspection agency, 2[AR 310-50] Office, Services and Information Agency

OSIC optimization of subcarrier information capacity

OSIFA operational sequence and information flow analysis

OSINET open system interconnection network

OSINT open-source intelligence

OSIS 1Ocean Surveillance Information System (USN), 2operating systems installation support, 3[JP 2-01] Open Source Information System, 4[CJCSI 3410.01] Office of the Secretary, Joint Staff

OSL 1object script language, 2offensive sensor laboratory

OSM 1off-screen model, 2on-screen menu, 3operating system service module, 4operations systems manager, 5optical support measures, 6office security manager

OSMIS operating and support management information system

OSMV one-shot multivibrator

OSN Office of the Secretary of the Navy

OSO objective and strategies overview

OSP 1objective and strategies plan, 2on-site programmer, 3optical storage processor, 4on-screen programming, 5optical surveillance platform, 6offshore procurement

OSPA [JP 3-07.3] Office for Special Political Affairs

OSPE [AR 310-50] organizational spare parts and equipment

OSPF open shortest path first

OSPG [JP 3-07.2] Overseas Security Policy Group

OSQL object structured query language

OSR 1occupational survey report, 2output shift register, 3operational support requirement, 4[AR 310-50] Overseas Service Ribbon

OSREPL [AR 310-50] overseas replacement

OSRET [AR 310-50] overseas returnee

OSRI originating station routing indicator

OSRS overhead status reporting system

OSS 1operational storage site, 2ocean surveillance system, 3operations support system, 4optical surveillance system, 5operator support system, 6operational support squadron, 7Office of Strategic Services [later CIA], 8ocean sensor subsystem

OSSE on site system evaluation

OSSF other service stock fund

OSSN originating station serial number

OST 1on-shift tests, 2operational system test, 3order and shipping time, 4[AR 310-50] order ship time

OSTF off-site test facility (SPACECMD)

OSTP Office of Science and Technology Policy

OSUS ocean surveillance (USN)

OSUT 1one-station unit training, 2on-site user testing

OSV [JP 1-02] ocean station vessel

OSW operation support directorate

OT 1operational test, 2overall test, 3operating temperature, 4operations team, 5object technology, 6operational testing, 7overtime, 8operational tester; 9operating time, 10orientation tour, 11[FM 101-5-1] observer-target, 12[AR 310-50] occupational therapy

OT&A operational test and acceptance

OT&E operational test and evaluation [preferred usage OTE]

OTA 1open test assembly, 2operational transconductance amplifier, 3[United States] Office of Technology Assessment, 4operation-triggered architecture, 5operational test agency, 6operational test activity

OTAD [AR 310-50] overseas terminal arrival date

OTAG operations and training analysis group

OTAR over-the-air rekey

OTAU over-the-air updating

OTB over target baseline

OTC 1office of telecommunications, 2operational test center, 3officer in tactical command, 4operational training capability, 5Operational Training Course (USAF), 6over-the-counter, 7Overseas Telecommunications Commission, 8The United States Army Operational Test Command

OTCCC open-type control circuit contacts

OTCIXS 1office-in-tactical command information exchange subsystem, 2officer in tactical command information exchange system

OTD 1operator training device, 2operational test director

OTDB Operations Tasking Database (PACAF)

OTDC operational test design concept

OTDR optical time domain reflectometer

OTE 1operational test and evaluation, 2operational test equipment, 3operator training equipment

OTEA [Army] Operational Test and Evaluation Agency

OTEC 1Operational Test and Evaluation Command (Army), 2operational test and evaluation center

OTERAM operational test and evaluation reliability, analysis, and maintainability

OTES operational test and evaluation squadron (AFCC)

OTEVFOR operational test and evaluation for operational requirements (USN)

OTF open token foundation

OTF&OC other than full and open competition

OTG OPTEVFOR Tactics Guide (USN)

OTH 1over the horizon, 2other than honorable conditions

OTH-B over the horizon – backscatter (as in radar)

OTH-B WCRS Over-the-Horizon Backscatter West Coast Radar System

OTH-T over-the-horizon – targeting

OTHDT over-the-horizon detection and targeting

OTHR over-the-horizon radar

OTHT over-the-horizon targeting

OTIG [AR 310-50] Office of the Inspector General

OTIS 1office of telecommunications and information systems, 2[AR 310-50] ordnance telemetry instrumentation station

OTJAG [AR 310-50] Office of the Judge Advocate General

OTLP zero transmission level point

OTM 1operational test models, 2occupational training manager, 3on the move

OTMOP operational test measure(s) of performance

OTN own-the-night

OTOE objective TOE

OTP 1outline test plan, 2operational test procedure, 3one-time programmable, 4operational test plan

OTPMG [AR 310-50] Office of the Provost Marshall General

OTPO operational test project officer

OTPP operational transfer point plan

OTPS operational test program sets

OTR 1optical tracking, 2operational turn-round, 3operational test report

OTRA other than Regular Army

OTRR operational test and readiness review

OTRRWG operational test and readiness review working group

OTRS 1operational training readiness statement, 2operational test readiness statement

OTS 1operational test site, 2optical transport systems, 3off-the-shelf, 4Officer Training School (ATC), 5over target schedule, 6[JP 1-02] Oahu Telephone System

OTSA operational threat support activity

OTSG Office of the Surgeon General

OTSS operational telecommunications switching system

OTT 1one-time tape, 2operations team trainer, 3operator tactics trainer, 4operational test team

OTT&E operational test training and evaluation

OTU operational training unit

OTV 1operational television, 2overall threat value

OTWG operational test working group

OU 1operations unit, 2order of use

OUADP operational utility of ADP

OUB [JP 4-01.6] OPDS utility boat

OUDP [AR 310-50] Officer Undergraduate Degree Program

OUE operational utility evaluation

OUI organizationally unique identifier

OUIC operational unit identification code

OUO official use only

OURS open users recommended solutions

OUSARMA [AR 310-50] Office of the United States Army Attaché

OUSD [JP 3-07.4] Office of the Undersecretary of Defense

OUSD(A) Office of the Under Secretary of Defense (Acquisition)

OUSD(A&T) Office of the Under Secretary of Defense (Acquisition and Technology)

OUSD(P) Office of the Under Secretary of Defense for policy

OUSD(RE) Office of the Under Secretary of Defense for Research and Engineering

OUT 1outsize, 2[JP 1-02] outsize cargo

OUTRAN output translator

OUTS 1operational unit transportable system, 2output string

OV 1overvoltage, 2orientation visit, 3operational verification, 4overflow

OV-10 Bronco

OV/VM office vision/virtual machine

OVE on-vehicle equipment

OVER 1oversize, 2[JP 1-02] oversize cargo

OVERVIEW POM Spares Forecasting System

OVHL overhaul

OVT operational validation test

OVURREP [AR 310-50] overseas unit replacement system

OVV overvoltage

OW 1order wire, 2one way

OWCP Office of Workmen Compensation Program

OWE operating weight empty

OWF optimum working frequency

OWL Object Windows Library [Borland]

OWLP Overseas Workload Program

OWO on work order

OWR [AR 310-50] obligated war reserves

OWRM other war reserve materiel

OWRMR other war reserve materiel requirements

OWRMS [AR 310-50] other war reserve materiel stocks

OWS 1ocean weather station, 2operational weather support, 3orbital workshop, 4operator work station

OYC out year costs

OZ outer zone