Military Acronyms, Initialisms, and AbbreviationsO 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