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Governmental & Military >> Army Abbreviations

Look through 1825 acronyms and abbreviations related to Army:

• XMIT — Transmit
• OPS — Operations
• APFT — Army Physical Fitness Test
• LAN — Local Area Network
• N/A — Not Applicable
• SSAN — Social Security Account Number
• ETA — Estimated Time of Arrival
• OPR — Office of Primary Responsibility
• ARPANET — Advanced Research Projects Agency Network (early internet)
• MDC — Manipulation Detection Code
• C3I — Command, Control, Communications & Intelligence
• DOB — Date Of Birth
• OBE — Overtaken By Events
• OEM — Original Equipment Manufacturer (usually in reference to car parts)
• ROM — Read-Only Memory
• LASER — Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
• MSG — Message
• PPM — parts per million
• FCFS — First Come First Served
• MOS — Military Occupational Speciality
• C/SSR — Cost/Schedule Status Report
• UK — United Kingdom of Great Britain and Northern Ireland
• POC — Point Of Contact
• ASAP — As Soon As Possible (pronounced AY-sap)
• ANSI — American National Standards Institute, Inc.
• TDA — Table of Distribution and Allowances
• CSMA/CD — Carrier Sense Multiple Access with Collision Detection
• BTW — By The Way
• TIM — Technical Interchange Meeting
• IT — Information Technology
• ISAR — Inverse Synthetic-Aperture Radar
• SSN — Social Security Number
• MAN — Metropolitan Area Network
• EPA — Environmental Protection Agency (US)
• COB — close of business (End of duty day)
• CPU — Central Processing Unit
• MM — Millimeter
• EOB — Electronic Order of Battle
• PDR — Preliminary Design Review
• FEMA — Federal Emergency Management Agency
• IP — Internet Protocol
• AC — Alternating Current
• QC — Quality Control
• RFP — Request For Proposal
• CDR — Critical Design Review
• SPS — Standard Positioning Service (GPS)
• VIP — Very Important Person
• CY — Calendar Year
• TAFIES — Tactical Air Force Intelligence Exploitation System
• MOU — Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)

• MOA — Memorandum Of Agreement
• CCB — Change Control Board
• MLS — Microwave Landing System
• CEO — Chief Executive Officer
• RF — Radio Frequency
• O&M — Operation and Maintenance
• WBS — Work Breakdown Structure
• MTBF — Mean Time Before Failure
• ASCII — American National Standard Code for Information Interchange
• LOI — Letter Of Intent
• PPS — Precise Positioning Service
• OECD — Organization for Economic Cooperation and Development
• LCD — Liquid Crystal Display
• BTU — British Thermal Unit
• TQM — Total Quality Management
• AIAA — American Institute of Aeronautics and Astronautics, Inc.
• FET — Field Effect Transistor
• ANFO — Ammonium Nitrate Fuel Oil Explosive
• R&D — Research & Development
• ATM — Asynchronous Transfer Mode
• DOA — dead on arrival
• DEC — Digital Equipment Corporation
• XO — Executive Officer
• NSN — National Stock Number
• EEO — Equal Employment Opportunity
• CAP — Civil Air Patrol
• SME — Subject Matter Expert
• CMOS — Complementary Metal-Oxide Semiconductor
• ARPA — Advanced Research Projects Agency (made early internet)
• CLIN — Contract Line Item Number
• MM — Million
• USDA — United States Department of Agriculture
• QRF — Quick Reaction Force. On standby to react to any situation.
• UFO — Unidentified Flying Object
• CRT — Cathode Ray Tube (type of TV)
• VPN — Virtual Private Network (ATM)
• CCB — Configuration Control Board
• ADP — Automated Data Processing
• OTC — Over The Counter (medications not requiring a prescription)
• AWOL — Absent Without Leave
• ASME — American Society of Mechanical Engineers
• OJT — On the Job Training
• CTRL — Control
• SOW — Statement Of Work
• BAOR — British Army of the Rhine
• KEK — Key Encryption Key (COMSEC Key)
• MSR — Main supply route. Usually a highway with a name designation following it. Largest MSR in Iraq is MSR TAMPA, going from Kuwait to Turkey.
• CBO — Congressional Budget Office
• PDA — Personal Digital Assistant
• FBI — Federal Bureau of Investigation

• EXCOM — Executive Committee
• OT — Overtime
• ATA — Area Transportation Authority
• WWW — World Wide Web
• MUX — Multiplexer
• MIS — Management Information System (OSHA)
• BLUF — Bottom Line Up Front
• RFI — Request For Information. Sales department shorthand. Special priority when use in conjunction with RFN (see below).
• DARPA — Defense Advanced Research Projects Agency (US)
• APB — All Points Bulletin
• EO — Executive Order
• DOD — United States Department of Defense
• ESA — European Space Agency
• CDRL — Contract Data Requirements List
• NSF — National Sanitation Foundation
• TBD — To Be Determined
• ADM — Advanced Development Model
• IPB — Intelligence Preparation of the Battlefield
• FIPS — Federal Information Processing Standard
• OIC — Office in Charge
• CIO — Chief Information Officer
• RAM — random-access memory
• AAR — After Action Review
• METL — Mission Essential Task List (mettle)
• CAE — Computer-Aided Engineering
• BIT — Binary Digit (either 0 Or 1)
• JMEM — Joint Munitions Effectiveness Manual
• SAR — Search And Rescue
• FAR — Federal Acquisition Regulation
• DSS — Decision Support System
• FAA — Federal Aviation Administration
• UCMJ — Uniform Code of Military Justice
• SYS — System
• DES — Data Encryption Standard
• EDM — Engineering Development Model
• BITE — Built In Test Equipment/Battle Management Interoperability T&E Training Exercises
• SDD — Software Design Document
• SOPS — Standard Operating Procedures
• AM — Amplitude Modulation
• AGL — Above Ground Level
• MX — Mexico
• AGC — Automatic Gain Control
• EEOC — Equal Employment Opportunity Commission
• CAD — Computer Aided Designer
• ACU — Army Combat Uniform
• POTUS — President Of The United States. Acronym used by Whitehouse staff. See also FLOFTUS.
• POP — Point Of Presence (Internet)
• ADC — Air Data Computer
• SES — Senior Executive Service
• QA — Center for Quality Assurance in International Education

• CDT — Central Daylight Time
• CIS — Commonwealth of Independent States
• CTR — Center
• MTTR — Mean Time To Repair
• BVR — Beyond Visual Range
• DAC — Discretionary Access Control
• DEPT — Department
• SAG — Surface Action Group
• ALO — Air Liaison Officer
• WFOV — Wide Field Of View
• EEC — European Economic Community (predecessor of the European Union|EU)
• CRS — Congressional Research Service
• DPKO — Department of Peacekeeping Operations
• IRS — U.S. Internal Revenue Service
• FISA — Foreign Intelligence Surveillance Act
• POM — Program Objective Memorandum
• NSC — National Security Council
• DRAM — Dynamic Random Access Memory (dee-ram) (computing)
• SQ — Square
• ATC — Air traffic control
• OCR — Optical Character Recognition
• EOD — Explosive Ordnance Disposal
• STD — Standard
• PRI — Primary Rate Interface (ISDN)
• ECO — Engineering Change Order
• CO — Company
• DNS — Domain Name Service
• SLIP — Serial Line Interface Protocol
• AC — annual closing
• NATO — North Atlantic Treaty Organisation
• CONUS — Continental United States (48 Contiguous States and DC)
• CST — Central Standard Time (UTC-6 Hours)
• AIS — Automated Information System
• BPA — Blanket Purchase Agreement
• PMR — Program Management Review
• URD — User Requirements Document
• NFS — Network File System
• DOJ — Department of Justice (US)
• MSL — Mean Sea Level
• LNG — Liquefied Natural Gas
• UAV — Unmanned Aerial Vehicle
• CAM — computer aided manufacturing
• ALT — Alternate
• SCIF — Sensitive Compartmented Information Facility
• LAB — Laboratory
• COMSEC — Communications Security (military)
• WAN — Wide Area Network
• COG — Continuity Of Government
• PC — Personal computer (host)
• CEP — Circular Error Probable

• AOA — Angle Of Arrival
• ATA — Actual Time of Arrival
• MT — Metric Ton
• EPIRB — Emergency Position-Indicating Radio Beacon
• PM — Program Manager
• PM — Preventive Maintenance
• BPS — bits per second
• TDY — temporary duty (non-unit-related personnel)
• NIST — National Institute of Standards and Technology
• MMIC — Monolithic Microwave Integrated Circuit
• LED — law enforcement desk; light emitting diode
• ATO — Air Tasking Order
• APP — Application
• BOM — Bill of Material
• TASO — Terminal Area Security Officer
• APU — Auxiliary Power Unit
• SNAFU — Situation Normal All Fouled Up
• EDW — Enterprise Data Warehouse
• FCC — Federal Communications Commission (US)
• NTIS — National Technical Information Service Technology Administration
• BPR — Business Process Re-engineering
• AFCS — Automatic Flight Control System
• COS — Chief of Staff
• NCR — National Capital Region (Metro Manila)
• PST — Pacific Standard Time (UTC-8 Hours)
• SQL — Structured Query Language
• RWR — Radar Warning Receiver
• QOL — Quality of Life
• DLA — U.S. Defense Logistics Agency
• PERT — Program Evaluation and Review Technique
• DBA — Data Base Administrator
• KISS — Keep It Simple Stupid
• NAS — United States National Academy of Sciences
• APT — Automatic Picture Transmission
• SIC — Subject Indicator Code
• DFD — Data Flow Diagram
• NLT — No Later Than
• ACL — Access Control List
• DSA — Digital Signature Algorithm
• DOL — United States Department of Labor
• OPM — Office of Personnel Management
• COMM — Communication
• AT&T — American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
• DOS — Disk Operating System
• DC — Direct Current
• COTR — Contracting Officer Technical Representative
• STR — Software Test Report
• ADPE — Automatic Data Processing Equipment
• MGR — Manager
• MSC — Military Sealift Command

• CNN — Cable News Network's
• BRI — Basic Rate Interface
• SUPT — Superintendent
• NZ — New Zealand
• UIC — Unit Identification Code
• PM — Project Manager
• AD — Air Defense
• VHF — Very High Frequency
• MIL — Military
• AWGN — Additive White Gaussian Noise
• CIA — Central Intelligence Agency
• ELV — Expendable Launch Vehicle
• NM — Nautical Mile
• RISC — Reduced Instruction Set Computer
• K — Kilo-
• AWE — Advanced Warfighting Experiment
• ADM — Acquisition Decision Memorandum
• MBO — Management by Objective
• KBS — Knowledge-Based System
• ACCP — Army Correspondence Course Program
• OCR — Optical Character Reader
• CAVU — Ceiling And Visibility Unlimited
• DME — Distance Measuring Equipment
• ALT — Altitude
• LEO — Low Earth Orbit (satellite communications)
• LOS — Line Of Sight
• MARV — Maneuverable Reentry Vehicle
• PROG — Program
• POC — Proof Of Concept
• MHS — Message Handling System (electronic)
• USAF — United States Air Force
• RPG — Report Program Generator
• VA — Veterans Administration
• EMP — Electromagnetic Pulse
• NOAA — National Oceanic and Atmospheric Administration (US)
• EMT — Extraordinary Masochistic Tendencies (joke At Expense Of Emergency Medical Technicians)
• DMSP — Defense Meteorological Satellite Program (U.S.)
• ABR — Available Bit Rate
• DTE — Data Terminal Equipment
• DBMS — Data Base Management System
• AF — Air Force
• ASR — Airport Surveillance Radar
• USGS — United States Geological Survey (DOI)
• DO — Delivery Order
• PSTN — Public Switched Telephone Network
• SNMP — Simple Network Management Protocol (ATM)
• AWL — Absent Without Leave
• PBX — Private Branch eXchange (company phone system)
• OP — Operator
• STS — Space Transportation System

• SSL — Secure Socket Layer
• RM — Resource Management
• BER — Beyond Economical Repair
• COR — contracting officer representative
• WAC — World Aeronautical Chart
• AMC — United States Army Materiel Command
• ECP — Engineering Change Proposals
• BOHICA — Bend Over, Here It Comes Again
• AFATDS — Advanced Field Artillery Tactical Data System
• FFP — Firm Fixed Priced
• STP — Software Test Plan
• STIG — Security Technical Implementation Guide
• CAT — Category (e.g. CAT-5 cable)
• STC — Sensitivity Time Control
• TCP — Transmission Control Protocol
• EM — Electromagnetic
• AFC — Automatic Frequency Control
• CM — Configuration Management
• RAC — Resident Agent in Charge
• WFC — World Food Council
• CFE — Contractor-Furnished Equipment
• USPS — United States Postal Services
• USC — United States Code (book of laws)
• AVHRR — Advanced Very High Resolution Radiometer  
• ETD — Estimated Time of Departure
• EAM — Emergency Action Message
• EBS — Emergency Broadcast System
• FDMA — Frequency Division Multiple Access
• VDT — Video Display Terminal
• CRL — Certificate Revocation List
• EFTA — European Free Trade Association (Geneva)
• SECT — Section
• RFI — Radio Frequency Interference
• UNHCR — United Nations High Commissioner for Refugees Program
• AE — Application Entity
• EW — Electronic Warfare
• DCAA — (U.S.) Defense Contract Audit Agency
• TF — Task Force
• ATS — applications technology satellite
• NRC — National Research Council (Canada)
• SONAR — (DOD) A sonic device used primarily for the detection and location of underwater objects.(This term is derived from the words "sound navigation and ranging.")
• APHIS — U.S. Department of Agriculture's Animal and Plant Health Inspection Service
• SEC — Second
• NBS — National Bureau of Standards (US)
• UHF — Ultra High Frequency (300-3000 MHz; 1m-10cm)
• PVC — Permanent Virtual Circuit (ATM)
• BW — Bandwidth
• MP — Military Police
• ADF — Australian Defence Force
• MAINT — Maintenance

• NSA — National Security Agency
• TV — Television
• SA — Situation(al) Awareness
• FDDI — Fiber Distributed Data Interface
• CAD — Computer-Assisted Design
• COBOL — Common Business-Oriented Language
• LAT — Latitude
• ASP — Ammunition Supply Point
• COMMS — Communications
• CW — Continuous Wave
• N — North
• LF — Low Frequency
• IRR — Individual Ready Reserve
• VR — Virtual Reality
• E-MAIL — Electronic Mail
• TCP/IP — transmission control protocol/internet protocol
• SEMP — Systems Engineering Management Plan
• DEA — Drug Enforcement Administration (U.S. Department of Justice)
• SIR — Shuttle Imaging Radar
• TCB — Trusted Computing Base
• ELINT — Electronic Intelligence Satellite
• AIT — Advanced Individual Training
• JEC — Joint Economic Committee
• CE — Civil Engineer
• CBD — Commerce Business Daily (Changed To FBO)
• POV — Privately Owned Vehicle
• AVIM — Aviation Intermediate Maintenance
• IRS — Interface Requirements Specification
• AFSCN — Air Force Satellite Control Network
• COTS — Commercial Off the Shelf Software
• MODEM — Modulator-Demodulator
• ECOWAS — Economic Community of West African States
• AA — Australian Army
• MSC — Major Subordinate Command
• PMIS — Personnel Management Information System
• BER — Bit-Error Rate
• LANL — Los Alamos National Laboratory
• DMA — direct memory access (computer term)
• CCTV — Closed Circuit Television
• CDL — Common Data Link
• IR — Infrared
• SW — Switch
• APB — Acquisition Program Baseline
• EDP — Electronic Data Processing Plc (London Stock Exchange [LSE])
• MAD — Magnetic Anomaly Detector/Detection
• USA — United States Army
• POTS — Plain Old Telephone System
• MOE — Measure Of Effectiveness
• OS — Operating System
• AMU — Astronaut Maneuvering Unit

• EMC — Electromagnetic Compatibility
• PDU — Protocol data unit (such as segment, packet, frame, etc.)
• AT — Annual Training
• MSA — Minimum Safe Altitude
• RFS — Request For Service
• SWE — Sweden
• CACM — Central American Common Market
• DPS — Department of Public Safety
• POS — Position
• AFLC — Air Force Logistics Command's
• ELF — Extremely Low Frequency
• PPP — Point-to-Point Protocol
• MF — Medium Frequency
• EGA — Enhanced Graphics Adapter
• MAC — Message Authentication Code
• CENTO — Central Treaty Organization (Baghdad Pact)
• BI — Background Investigation
• IPT — Integrated Product Team
• PAR — Precision Approach Radar
• C4 — Command, Control, Communications, and Computers
• RDD — required delivery date (at destination)
• AACB — Aeronautics & Astronautics Coordinating Board
• VBR — Variable Bit Rate (ATM)
• ATF — Advanced Tactical Fighter
• AFM — Air Force Manual
• NDA — Nondisclosure Agreement
• CDMA — Code Division Multiple Access (voice/data transmission)
• LPF — Low Pass Filter
• DSU — Data Service Unit
• DS — Direct Support
• NRL — Naval Research Laboratory
• NAS — Naval Air Station
• CA — Civil Affairs
• DSA — Directory System Agent
• NEPA — National Energy Policy Act of 1992
• PIN — Personal Identification Number
• RIP — Routing Information Protocol
• JPL — Jet Propulsion Laboratory (California Institute of Technology) (NASA)
• AB — Air Base
• BCD — Bad Conduct Discharge
• CG — Coast Guard
• DNC — Digital Nautical Chart
• SALT — Strategic Arms Limitation Talks
• CDU — Control Display Unit
• COS — Cosine
• AMHS — Automated Message Handling System
• JOPES — Joint Operation Planning and Execution System
• PCMCIA — Personal Computer Memory Card International Association
• EPROM — Erasable Programmable Read-Only Memory
• MEPS — Military Entrance Processing Station

• TOC — Tactical Operations Center. Usually pronounced ‘tock.’ Where command elements are primarily located.
• MIB — Management Information Base (ATM)
• BDA — Bomb Damage Assessment
• AAE — Army Acquisition Executive
• UNAMIR — United Nations Assistance Mission for Rwanda
• OSPF — Open Shortest Path First (ATM)
• DASD — Direct Access Storage Device
• TD — Technical Directive
• NIS — Network Information System
• BWC — Biological Weapons Convention
• COMSAT — Communications Satellite Corporation
• QBE — Query By Example
• BAE — British Aerospace Systems, LTD
• TMDE — Test Measurement and Diagnostic Equipment
• RCC — Rescue Coordination Center
• DAC — Development Assistance Committee
• DTED — Digital Terrain Elevation Data (dee-ted)
• EST — Estimated Starting Time
• AFWAL — Air Force Wright Aeronautical Laboratory
• MIA — Missing In Action
• JSC — Johnson Space Center (Houston, TX)
• ERP — Effective Radiated Power
• CG — Center of Gravity (DXS)
• PLL — Prescribed Load List
• ATD — Actual Time of Departure
• UPS — Uninterruptible Power Supply
• LPI — Lines Per Inch
• NC — No Change
• SEI — Specific Emitter Identification
• NACA — National Advisory Committee for Aeronautics
• PMCS — Preventive Maintenance Checks and Services
• VOL — Volume
• DMZ — Demilitarized Zone
• PRF — Pulse Repetition Frequency
• SW — Software (SFTWE Preferred)
• AFB — Air Force Base (USAF)
• CAPT — Captain
• SL — Sea Level
• A/D — Analog/Digital
• MIL STD — Military Standard
• USMTF — United States Message Text Format
• ORG — Organization
• VERT — Vertical
• SBU — Sensitive But Unclassified
• NESDIS — National Environmental Satellite, Data, and Information Service
• DAMA — Demand Assigned Multiple Access
• CQ — Charge of Quarters
• LST — Local Standard Time
• LEP — Linear Error Probable
• REDCOM — Readiness Command

• ATR — Automatic Target Recognition
• MBPS — Megabytes Per Second
• SF — Special Forces
• RNP — Required Navigation Performance
• CW — Chemical Warfare
• BGP — Border Gateway Protocol (routing protocol)
• VOIP — Voice Over IP (Internet Protocol)
• TBO — Time Between Overhaul
• NOC — Network Operations Center
• ACR — Armored Cavalry Regiment
• FCS — Flight Control System (Subsystem)
• IW — Information Warfare
• CAB — Cabinet
• BIT — Built-In Test
• MTBCF — Mean Time Between Critical Failures
• NOR — Norway
• RADAR — RAdio Detection And Ranging
• LRIP — Low-Rate Initial Production
• FA — Field Artillery
• SCN — Specification Change Notice
• CTE — Coefficient of Thermal Expansion
• CALS — Computer-Aided Acquisition and Logistics Support (CAALS)
• PW — Prisoner of War
• OA — Office Automation
• DX — Direct Exchange (of Damaged Equipment)
• ANG — Air National Guard
• SIG — Signal
• BAMF — Bad Ass Mother Fucker
• CPO — Chief Petty Officer
• STP — Space Test Program
• AU — Audio Unit
• DSN — Deep Space Network - network of large antennas and communication facilities.
• TEMP — Test and Evaluation Master Plan
• DREN — Defense Research and Engineering Network
• NIC — Network Information Center
• VLF — Very Low Frequency
• FDC — Fire Direction Center
• MVS — Multiple Virtual Storage
• COBE — Cosmic Background Explorer Satellite (NASA)
• CWO — Chief Warrant Officer
• CPX — Command Post Exercise
• AMR — Atlantic Missile Range
• AP — Associated Press
• AFGL — Air Force Geophysics Laboratory
• CW — Carrier Wave
• LT — Light
• CSS — Combat Service Support
• EO — Equal Opportunity
• TACS — Theater Air Control System
• LIDAR — Lander Light Detection and Ranging

• JVM — Java Virtual Machine
• DS — Direct Sequence
• CAB — Combat Aviation Brigade
• TG — Task Group
• CSS — Central Security Service
• CEC — Cooperative Engagement Capability
• MAC — Mandatory Access Control
• DRS — Data Relay Satellite
• MAC — Military Airlift Command
• PCM — Pulse-Code Modulation
• TM — Technical Manual
• NCS — National Communications System
• EOS — Earth Observation Satellite
• WG — Working Group
• ADCCP — Advanced Data Communications Control Procedures
• LZ — Landing Zone
• EHF — Extremely High Frequency
• ABMA — Army Ballistic Missile Agency
• AC — Active Component
• ACA — Airspace Control Authority
• NIS — Network Information Service
• AEW — Airborne Early Warning
• DIB — Directory Information Base
• MASH — Mobile Army Surgical Hospital
• FDX — Full Duplex
• DPG — Defense Planning Guidance
• NAC — National Agency Check
• CSTC — Consolidated Space Test Center
• AFSCF — Air Force Satellite Control Facility
• FAX — Facsimile
• ASEAN — Association of Southeast Asian Nations
• JT — Joint
• CRT — Crisis Response Team
• AWADS — Adverse Weather Aerial Delivery System
• MEO — Medium-Earth Orbit
• DOS — United States Department of State
• MI — Military Intelligence
• CCAFS — Cape Canaveral Air Force Station, an air force base in Florida where NASA launches satellites from.
• PL — Public Law
• CIF — Central Issue Facility
• DDCMP — Digital Data Communications Message Protocol
• ASN — Abstract Syntax Notation
• BW — Biological Warfare
• RAD — Radiation Absorbed Dose
• TCSEC — Trusted Computer System Evaluation Criteria
• MINURSO — United Nations Mission for the Referendum in Western Sahara
• SA — Security Assistance
• AFSTC — Air Force Space Technology Center
• CD — Civil Defense
• FC — Fuel Cell

• AOD — Administrative Officer of the Day
• AI — Air Interdiction
• LEA — Law Enforcement Agency
• PAT — Process Action Team
• OAS — Organization of American States
• AFS — Air Force Station
• NCIC — National Crime Information Center
• EIB — European Investment Bank
• FIG — Figure
• ASE — Aircraft Survivability Equipment
• SF — Standard Form
• DAR — Defense Acquisition Regulation
• CDS — Combat Direction System
• ESS — Electronic Switching System
• EC — European Community
• OCS — Officer Candidate School
• CGM — Computer Graphics Metafile
• RCV — Receive
• OIF — Operation Iraqi Freedom
• UA — User Agent
• ET — Embedded Training
• TOR — terms of reference (ICAO/FAA)
• VHS — Video Home System
• EW — Early Warning
• F — Degrees Fahrenheit
• RGB — red-green-blue (signal)
• RIO — Radar Intercept Officer (US Navy)
• UPS — Uninterruptible Power System
• LPC — Linear Predictive Coding
• RAAF — Royal Australian Air Force
• DNA — Defense Nuclear Agency
• TAV — Total Asset Visibility
• D — Director
• AKM — Apogee Kick Motor
• PPI — Plan Position Indicator
• LDR — Low Data Rate
• WPM — speech--words per minute
• RCS — Radar Cross Section
• MDT — Mean Down Time
• SVD — Software Version Description
• VLS — Vertical Launch System
• RLA — Repair-Level Analysis
• EIRP — Effective Isotropic Radiated Power
• ABE — ARM-Based Electronics
• MCW — Modulated Continuous Wave
• MPEG — Motion Picture Experts Group
• TBA — To Be Announcede
• ADA — Air Defense Artillery
• CFLCC — Combined Force Land Component Command
• ESM — Electronic Support Measures

• FCS — Fire Control System
• JWICS — Joint Worldwide Intelligence Communications System
• DOC — United States Department of Commerce
• TAC — Terminal Access Controller
• WS — Workstation
• SOC — Special Operations Command
• MOOTW — Military Operations Other Than War (moot-double-you)
• CMP — Configuration Management Plan
• DRSN — Defense Red Switch Network
• SBCT — Stryker Brigade Combat Team
• DCA — Defensive Counter Air
• ESMC — Eastern Space And Missile Center (formerly AFETR)
• PAR — Perimeter Acquisition Radar
• ACDA — Arms Control and Disarmament Agency's
• KDC — Kerberos Key Distribution Center
• TWT — Traveling Wave Tube
• MECO — Main Engine Cutoff
• PMP — Program Management Plan
• BAA — Broad Agency Announcement
• SCF — Satellite Control Facility
• AD — airworthiness directives (FAA)
• ATC — Air Training Command
• DIA — Defense Intelligence Agency (USA)
• USCG — United States Coast Guard
• ERTS — Earth Resources Technology Satellite (now Landsat)
• NMS — Network Management System
• CIS — Combat Intelligence System
• PME — Professional Military Education
• TLE — Target Location Error
• DDN — U.S. Defense Data Network
• RT — Real Time (R/T Preferred)
• BERT — Bit Error Rate Tester (telecommunication)
• OMV — Orbital Maneuvering Vehicle
• VM — Virtual Memory
• ELT — Emergency Locator Transmitter
• SHF — Super High Frequency
• AFSC — United States Air Force specialty code
• TO — Technical Order
• NASP — National Aerospace Plane
• MOS — Marine Observation Satellite
• CS — Combat Support
• SB — Service Bulletin
• BCT — Basic Combat Training (familiarly Basic Training Or Basic)
• DDS — Defense Dissemination System
• TNI — Trusted Network Interpretation
• ODBC — Open Database Connectivity
• SDLC — Synchronous Data Link Control
• NSIA — National Security Industrial Association (now part of NDIA)
• PHS — Public Health Service (U.S.)
• MDR — Medium Data Rate

• ATA — Advanced Tactical Aircraft
• RC — Reserve Component
• QPSK — aeronautical quadrature phase shift keying
• E&I — Engineering & Installation
• D — Delta
• ROC — Required Operational Capability
• OSTP — Office of Science and Technology Policy
• AFOTEC — Air Force Operational Test and Evaluation Center's
• EMCON — Electromagnetic Emission Control
• DID — data item description
• SDLC — Software development life cycle
• MCC — Mission Control Center (JSC)
• UNDP — United Nations Development Program
• AIRS — Advanced Inertial Reference Sphere
• AUTOVON — Automatic Voice Network
• DCS — Deputy Chief of Staff
• DAD — Dual Air Density
• MDA — Minimum Descent Altitude
• OTA — Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
• AOA — Angle Of Attack
• CIDR — Classless Inter-Domain Routing (ATM)
• PFD — Power Flux Density
• AR — Army Regulation
• LLNL — The Department of Energy's Lawrence Livermore National Laboratory in Livermore, California
• BCE — Battlefield Coordination Element
• EMS — Element Management System (ATM)
• PFPS — Portable Flight Planning Software
• SMB — Suck My Balls
• TED — Trunk Encryption Device
• CNR — Combat Net Radio
• MAG — Magnetic
• SI — Special Intelligence
• MSS — Multispectral Scanner System
• NSW — New South Wales
• KSC — John F. Kennedy Space Center
• SAR — synthetic aperture radar (satellite)
• ECM — Electronic Counter Measures
• SPR — Strategic Petroleum Reserve (US)
• OCD — Operational Concept Description
• MOD — Ministry Of Defence (United Kingdom) And Various Other Countries
• CAP — Combat Air Patrol
• LSA — Logistics Support Analysis
• PROM — Programmable Read-Only Memory
• RAM — Rolling Airframe Missile
• OC — Optical Carrier
• MBT — Main Battle Tank
• IPR — Impulse Response
• LAGEOS — Laser Geodynamic Satellite
• TDMA — Time Division Multiple Access
• BIU — Bus Interface Unit

• RCC — Regional Control Center
• DSU — Direct Support Unit
• DSN — Defense Switched Network
• DII — Defense Information Infrastructure
• NCSC — National Computer Security Center (NSA)
• DSP — Defense Standardization Program
• EUVE — Extreme Ultraviolet Explorer (NASA Satellite)
• NORAD — North American Air Defense (Command)
• PDL — program design language
• CPS — characters per second
• LF — Launch Facility
• UPI — United Press International
• ADIZ — Air Defense Identification Zone
• MCS — Master Control Station (VIS, Grumman)
• DOMSAT — Domestic Satellite
• APL — Applied Physics Laboratory (at Johns Hopkins)
• SONET — Synchronous Optical Network
• CTC — Combat Training Center
• NARA — United States National Archives And Records Administration
• COMMO — Communications Officer
• DSCS — U.S. Defense Satellite Communications System
• JTF — Joint Task Force
• UAE — United Arab Emirates
• TOA — Time Of Arrival
• MAAP — Master Air Attack Plan
• LFC — Large Format Camera
• AWS — Air Weather Service
• AFRL — Air Force Research Laboratory
• IP — Initial Point
• MMS — Multimission Modular Spacecraft
• VSAT — Very Small Aperture Terminal (satellite service)
• FC — Fire Control
• SRS — Software Requirements Specifications
• DG — Defense Guidance
• CDC — Career Development Course
• SDS — Satellite Data System
• FAA — Federal Aviation Agency
• NGL — Natural Gas Liquid (usually Ethane Or Propane)
• AAH — Advanced Attack Helicopter
• EA — Executive Agent
• ARDC — Air Research and Development Command
• MLV — Medium Launch Vehicle
• ASOC — Air Support Operations Center
• NEACP — National Emergency Airborne Command Post
• AFOSI — Air Force Office of Special Investigations
• TMD — Theater Missile Defense
• ERD — Entity-Relationship Diagram
• FID — Foreign Internal Defense
• CRRES — Combined Release and Radiation Effects Satellite
• LCC — Launch Control Center (KSC)

• CBR — Constant Bit Rate
• VAR — Variable
• ARL — Army Research Laboratory
• ADL — Ada Design Language
• S — Secret
• NOR — Notice Of Revision
• SAW — Squad Automatic Weapon
• SAC — Strategic Air Command
• TOE — Table of Organization and Equipment
• ACU — Antenna Control Unit
• VOR — VHF Omnidirectional Range
• AFAITC — Armed Forces Air Intelligence Training Center
• ERS — Earth Resources Satellite
• RUP — Rational Unified Process
• SUM — Software User's Manual
• SDR — System Design Review
• ANMCC — Alternate National Military Command Center
• ACS — Aerial Common Sensor
• ANDVT — Advanced Narrowband Digital Voice Terminal
• TDM — Time Division Multiplexer
• LOX — Liquid Oxygen
• DISA — U.S. Defense Information Systems Agency
• FEP — Front End Processor
• ANR — Active Noise Reduction
• CBR — Case-Based Reasoning
• SLAR — Side-Looking Airborne Radar
• AWACS — Airborne Warning And Control System
• NCIS — Naval Criminal Investigative Service (US)
• DTM — Data Transfer Module
• DIAC — Defense Intelligence Analysis Center
• FEBA — Forward Edge of Battle Area
• UA — Unit of Action
• SBIR — Small Business Innovation Research
• TTY — Teletype Telex Machine
• FDU — Force Design Update
• AFSOC — Air Force Special Operations Command
• NT — Northern Territory
• CDB — Central Data Base
• ODA — Open Document Architecture
• DIDS — Defense Integrated Data System
• BPI — bits per inch
• MFD — Multi-Function Display
• LNA — Low-Noise Amplifier
• SCI — Sensitive Compartmented Information
• MCE — Modular Control Equipment
• TAD — Theater Air Defense
• USG — United States Government
• BFT — Blue Force Tracking
• OPSEC — Operational Security
• COB — Command Operating Budget

• NLP — Natural Language Processing
• B&W — Babcock & Wilcox - Black And White - Bowers & Wilkins
• PMO — Program Management Office (US)
• AFOSR — Air Force Office Of Scientific Research(USA)
• USAID — United States Agency for International Development
• ACE — Access Control Encryption
• AR — Army Reserve
• DCE — Data Communication Equipment
• DMS — Data Management System
• BMO — Ballistic Missile Office
• EMI — Electro-Magnetic Interference
• TCF — Technical Control Facility
• BH — Busy Hour
• CSOC — Consolidated Space Operations Center
• VMS — Virtual Memory System
• MARS — Military Affiliate Radio System
• ASARS — Advanced Synthetic Aperture Radar System
• NSW — Naval Special Warfare
• VT — Virtual Terminal
• RI — Routing Indicator
• AXAF — Advanced X-Ray Astrophysics Facility
• CWGC — Commonwealth War Graves Commission
• BSB — Base Support Battalion
• JIPTL — Joint Integrated Prioritized Target List
• BES — Budget Estimate Submission
• AFTI — Advanced Fighter Technology Integration
• NCA — National Command Authority
• Z — Zulu (Greenwich mean time)
• SMDS — Switched Multimegabit Data Service (ATM)
• AFMPC — Air Force Military Personnel Center
• CFE — Center For Engineering
• DAB — Defense Acquisition Board
• ADDS — Army Data Distribution System
• DMSS — Defense Meteorological Satellite System
• JRTC — Joint Readiness Training Center
• SIMM — Single Inline Memory Module
• DUA — Directory User Agent
• SSB — Single SideBand
• SDHS — Satellite Data Handling System
• MLRS — Multiple Launch Rocket System (US)
• AZ — Azimuth
• KMP — Key Management Protocol
• AFARN — Air Force Air Request Net
• NTZ — No Transgression Zone
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• SLV — Space Launch Vehicle
• PMR — Pacific Missile Range
• NMS — National Military Strategy
• OT&E — Operational Test and Evaluation
• CNWDI — Critical Nuclear Weapons Design Information

• MMU — Manned Maneuvering Unit
• AIMD — Aircraft Intermediate Maintenance Department
• AMST — Advanced Medium STOL Transport
• EMD — Engineering and Manufacturing Development
• ATF — Amphibious Task Force
• MIJI — Meaconing, Intrusion, Jamming and Interference
• TI — Tactical Internet
• ISO — Information Systems Office
• IUS — Inertial UPper Stage (was Interim UPper Stage)
• NES — Network Encryption System
• VF — Voice Frequency
• AFSC — Air Force Systems Command
• EMT — Emergency Medical Treatment
• MILS — Missile Impact Location System
• CFSR — Contract Funds Status Report/ing
• RADIUS — Remote Authentication Dial-In User Service
• ECU — Environmental Control Unit (GSM)
• CNO — Chief of Naval Operations
• PMS — Project Management System
• SST — States Supersonic Transport
• ASB — Army Science Board
• MTL — Material
• SCC — Space Control Center
• MT — Machine Translation
• SNA — System Network Architecture
• DRU — Direct Reporting Unit
• EPS — Encapsulated Postscript
• CBJB — Congressional Budget Justification Book
• TOVS — TIROS Operational Vertical Sounder
• RPV — Remotely Piloted Vehicle
• SPM — Software Programmer's Manual
• DIR — Direction Interdépartementale des Routes
• ASSIST — Automated Special Security Information System Terminal
• ASI — Air Speed Indicator
• ETL — Endorsed Tools List
• NIU — Network Interface Unit
• OOP — Of an Object Oriented Programming
• APC — armored personnel carrier
• LAS — Land Analysis System
• NEC — Navy Enlisted Classification
• JDAM — Joint Direct Attack Munition (djay-dam)
• CTBT — Comprehensive Test Ban Treaty
• OSDPE — Office of the Secretary of Defense Program Element
• FH — Frequency Hopping
• DAE — Defense Acquisition Executive
• SID — Secondary Imagery Dissemination
• IPX — Internet Packet Exchange
• TAIS — Tactical Airspace Integration System
• ASVAB — armed services vocational aptitude battery
• ACAT — Acquisition Category

• MDT — Message Distribution Terminal
• EKMS — Electronic Key Management System
• SSCI — Senate Select Committee on Intelligence
• SRD — System Requirements Document
• JOC — joint operations center; joint oversight committee
• TRE — Tactical Receive Equipment
• ORI — Operational Readiness Inspection
• FAS — Frequency Assignment Subcommittee
• TO — Task Order
• EPLRS — Enhanced Position Location Reporting System
• ATP — Advanced Technology Program
• UTM — Universal Transverse Mercator (geographical Co-ordinate System)
• CARDE — Canadian Armament Research and Development Establishment
• NN — Neural Network
• BDR — Battle Damage Repair
• VHSIC — Very High-Speed Integrated Circuit
• AFAMPE — Air Force Automated Message Processing Exchange
• TRB — Technical Review Board (MRR)
• REMIS — Reliability & Maintainability Information System
• DART — Disaster Assistance Response Team
• USN — United States Navy
• AFCSC — Air Force Cryptologic Support Center
• JP — Joint Publication
• CIC — Combat Information Center
• ARTEP — Army Training and Evaluation Program
• BMEWS — Ballistic Missile Early Warning System (bee-mews)
• USCMH — United States Commission on Military History
• DC — District Commissioner
• AFR — Air Force Regulation
• UNGA — United Nations General Assembly
• ACDS — Advanced Combat Direction System
• DF — Disposition Form
• MAA — Mission Area Analysis
• EUV — Extreme Ultraviolet Vertical
• OEF — Operation Enduring Freedom
• DISN — Defense Information Systems Network
• VAX — Virtual Address Extension
• PW — Pulse Width
• VCR — video cassette recorder/player
• NTC — National Training Center (USA)
• AUTODIN — Automatic Digital Network
• TEK — Traffic Encryption Key
• MTT — Mobile Training Team
• NMCC — National Military Command Center
• ANLYS — Analysis
• SVC — Switched Virtual Circuit (ATM)
• VIN — vehicle identification number (US) (transportation)
• AAC — Alaskan Air Command
• SOF — Special Operations Force(s)
• DSI — Defense Simulation Internet

• MMW — Millimeter Wave
• TSC — Training Support Center
• SPS — Software Product Specification
• FAADS — Forward Area Air Defense System
• APPS — Applications (software)
• PPS — Post-Production Support
• MPP — Massively Parallel Processing/Processor
• COMECON — Council For Mutual Economic Assistance (economic Counterpart Of The Warsaw Pact
• FEA — Front End Analysis
• TPN — Tactical Packet Network
• AFMSS — Air Force Mission Support System
• TSO — Telecommunications Service Order
• RX — Receive
• EIA — Electronics Industry Association (Adelaide, South Australia, Australia)
• AOIC — Assistant Officer in Charge
• JFACC — Joint Force Air Component Commander
• DTU — Data Transfer Unit
• NPR — National Performance Review (office)
• NRT — near real time
• CAS — Calibrated Air Speed
• NII — National Information Infrastructure (USA)
• CG — Commanding General
• F — Frequency
• PDS — Power Distribution System (Subsystem)
• ES — Electronic Support
• PRT — Personal Rapid Transit
• AP — Application Processor
• VDU — Video Display Unit
• IPS — Integrated Program Summary
• CP — command post
• MDT — Mobile Data Terminal
• TAMMS — The Army Maintenance Management System
• SDI — Strategic Defense Initiative
• MILSTAR — MILitary Strategic and Tactical Relay (US)
• OSS — Operations Support System
• SORTS — Status of Resources and Training System
• BEF — British Expeditionary Force
• EST — Estimated Ship Time
• JDISS — Joint Deployable Intelligence Support System
• CMW — Compartmented Mode Workstation
• STX — Situational Training Exercise
• SO/LIC — Special Operations/Low Intensity Conflict
• TDRSS — Tracking and Data Relay Satellite System
• NIS — National Input Segment
• PDS — Post Design Services
• BRL — Ballistic Research Laboratory
• OPF — Orbiter Processing Facility
• ACM — Advanced Cruise Missile
• SMLM — Soviet Military Liaison Mission
• PSN — Packet Switched Network

• QPQ — Quid Pro Quo
• ACAAM — Air Courses of Action Assessment Model
• PDM — Program Decision Memorandum
• JA — Judge Advocate
• PTR — Paper Tape Reader
• BIM — Ballistic Intercept Missile
• BMDO — (U.S.) Ballistic Missile Defense Organization (bim-do)
• ERDAS — Earth Resources Data Analysis System
• CAMS — Core Automated Maintenance System
• SSTO — Single-Stage-to-Orbit
• CGS — Common Ground Station
• SLEP — Service Life Extension Program
• CTS — communications technology satellite
• AO — Area of operations
• EA — Electronic Attack
• BAQ — Basic Allowance for Quarters
• DA — Department of the Army's
• NTDS — Naval Tactical Data System
• PAM — Payload Assist Module
• PDM — Pulse Duration Modulation
• ONR — Office of Naval Research (U.S.)
• ADDISS — Advanced Deployable Digital Imagery Support System
• MASDC — Military Aircraft Storage & Disposition Center
• ASAR — Advanced Synthetic Aperture Radar 
• NM — Network Management
• TCC — Telecommunications Center
• AMGOT — Allied Military Government for Occupied Territories
• LCM — Life Cycle Management
• NSA — Naval Support Activity
• TACC — Tactical Air Control Center (USN, UK)
• KP — Key Processor
• LONG — Longitude
• LMR — Land Mobile Radio
• ISB — Intermediate Staging Base
• E3 — End-to-End Encryption
• ADGE — Air Defence Ground Environment
• SSMA — Spread-Spectrum Multiple Access
• SCPC — single channel per carrier
• ACC — Air Combat Command (formerly TAC)
• MTMC — Military Traffic Management Command
• PBD — Program Budget Decision
• SDIO — Strategic Defense Initiative Organization
• AFMTC — Air Force Missile Test Center
• CSU — Channel Service Unit
• PRG — Program Review Group
• MSS — Mission Support System
• MTS — Movement Tracking System
• ERA — Equal Rights Amendment
• LMI — Layer Management Interface
• WO — Washington Office

• AFAS — Advanced Field Artillery System
• JSOTF — Joint Special Operations Task Force
• PPM — Pulse Position Modulation
• NAV — Navigator
• AETC — Air Education and Training Command's
• DMA — U.S. Defense Mapping Agency
• OP — Operator Panel
• DTIC — (U.S.) Defense Technical Information Center
• LON — Longitude
• SEAD — Suppression of Enemy Air Defense
• SSR — secondary surveillance radar (ICAO/FAA)
• RTS — Remote Tracking Station
• CIB — Combat Infantryman Badge
• CSR — Current Situation Room
• SA — Special Agent
• PT — Physical Training. Used In The Plural (PTs)
• DRC — Data Reduction Center
• PEO — Program Executive Officer
• AOC — air operations center (USAF)
• MNS — Mission Needs Statement
• EOSAT — Earth Observation Satellite Co.
• RSO — Range Safety Officer
• RN — Royal Navy
• MIC — Monolithic Integrated Circuit
• NIMA — National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency|NGA)
• SOL — Solenoid
• RNAV — Random Navigation Area Navigation
• AFEWC — Air Force Electronic Warfare Center
• MIPR — Military Interdepartmental Purchase Request
• QDR — Quadrennial Defense Review
• AFNET — Air Force Network
• AFV — Armored Fighting Vehicle
• RDBMS — Relational Data Base Management System (Oracle)
• NDL — Network Data Language
• EOB — Executive Office Building
• WMD — Weapons of mass destruction
• COE — Common Operating Environment
• PRB — Problem Review Board
• BOQ — Bachelor Officers' Quarters
• NG — National Guard
• CAS — Close Air Support
• DT&E — Developmental Test & Evaluation
• JPO — Joint Project Office
• CPE — Customer Premise Equipment
• EELV — Evolved Expendable Launch Vehicle
• NSO — Network Security Officer
• CHAMPUS — (U.S.) Civilian Health And Medical Program Of The Uniformed Services
• AFWA — Air Force Weather Agency
• TSP — Telecommunications Service Priority
• LD — Low Density

• AFGWC — Air Force Global Weather Central (U.S.)
• ARM — Atmospheric Radiation Measurement (DOE program)
• RDJTF — Rapid Deployment Joint Task Force (US)
• SEMA — Special Electronic Mission Aircraft
• CAC — Common Access Card (smart card technology used in DoD)
• EURATOM — European Atomic Energy Community
• ASD — Assistant Secretary of Defense
• IVD — Interactive Video Disk
• CIHS — Classified Information Handling System
• SOP — standing operating procedure
• AMC — Air Mobility Command
• ISA — Interservice Support Agreement
• CCTT — Close Combat Tactical Trainer
• DDTE — Director, Defense Test and Evaluation
• EC — Electronic Combat
• DITCO — Defense Information Technology Contracting Office (formerly DECCO)
• COMPUSEC — Computer Security
• MAD — Message Address Directory
• EC — executive committee
• OSD — U.S. Office Of The Secretary Of Defense
• YAG — Yttrium Aluminum Garnet
• AGARD — Advisory Group for Aerospace Research & Development
• AFMIC — Armed Forces Medical Intelligence Center
• IPM — Interpersonal Messaging
• WARC — World Administrative Radio Conference
• DSAA — (U.S.) Defense Security Assistance Agency
• VLSI — Very Large-Scale Integration
• IU — Interface Unit
• EO — End Office
• APNIC — Asia Pacific Network Information Center
• ALCS — Airborne Launch Control System
• FAAS — Foreign Affairs Administrative Support
• CJCS — Chairman of the Joint Chiefs of Staff
• STU — Secure Telephone Unit
• NEL — National Exploitation Laboratory
• MTL — Materials Testing Laboratory
• TPS — Thermal Protection System
• EC/EDI — Electronic Commerce/Electronic Data Interchange
• CPR — Cost Performance Report
• JTC — Joint Technical Committee (USA)
• NRO — U.S. National Reconnaissance Office
• CBW — Chemical and Biological Warfare
• NIS — NATO Identification System
• PTT — Push to Talk Technology
• CAC — Combined Arms Center
• PTT — Push to Talk Testing
• CITIS — Contractor Integrated Technical Information Service
• MTA — Message Transfer Agents (Internet)
• CFV — Cavalry Fighting Vehicle (M-3 Bradley)
• JSCP — Joint Strategic Capabilities Plan

• UV — Ultra Violet
• IRM — information resource management
• DVI — Digital Video Interactive
• DSRP — Defense Space Reconnaissance Program
• ROK — Republic Of Korea
• TSK — Transmission Security Key
• AMCS — Alternate Master Control Station
• AOSS — automated office support system
• OII — Operations-Intelligence Interface
• PTT — Push to Talk Taster
• MOUT — Military Operations in Urban Terrain (urban warfare) (US)
• MTI — Moving Target Indicator
• OST — Outer Space Treaty
• SJA — Staff Judge Advocate
• CIO — Central Imagery Office
• TS — Top Secret
• AFIWC — Air Force Information Warfare Center
• DU — Depleted Uranium
• TIROS — Television InfraRed Observation Satellite (POES)
• DCAS — Defense Contract Administration Services
• AFSWC — Air Force Special Weapons Center
• ATEC — Army Test and Evaluation Command (US Army; formerly OPTEC, Operational Test & Evaluation Command)
• LOC — Location Number
• FAAR — Forward Area Alerting Radar (US)
• MS — Master of Science
• PE — Program Element
• SPOT — Satellite Pour l'Observation de la Terre (France)
• DODISS — Department of Defense Index of Specifications and Standards
• SLC — Space Launch Complex
• C&A — Certification and Accreditation
• VT — Video Terminal
• DFAS — Defense Finance & Accounting Service
• NLM — NetWare Loadable Module
• ETF — Enhanced tactical fighter
• FA — Forward Area
• CRREL — Cold Regions Research and Engineering Laboratory (COE)
• POC/ET — Proof Of Concept/Experimental Testbed
• ISDN — Integrated Service Digital Network
• MILNET — Military Network
• DPC — Defense Planning Committee
• PSN — Public Switched Network
• DEW — distant early warning (radar)
• TACS — Tactical Air Control System
• SDNS — Secure Data Network System
• AUSA — Association of the United States Army's
• MSR — Missile Site Radar
• TADS — Target Acquisition and Designation System (US)
• SVIP — Secure Voice Improvement Program
• CBRS — Concept Based Requirements System
• TM — Technical Monitor

• ATGM — Anti-tank Guided Missile
• DCASR — Defense Contract Administration Services Region
• FAAD — Forward Area Air Defense
• PAO — Public Affairs Officer
• ARFCOS — Armed Forces Courier Service
• MVS — Multiple Virtual System
• S&T — Directorate for Science and Technology
• DIS — Defense Investigative Service
• AID — Agency for International Development (U.S.)
• TOR — Tentative Operational Requirement
• ABCS — (U.S.) Army Battle Command System
• RO — Receive Only
• DTD — Data Transfer Device
• JCS — Joint Chiefs of Staff
• DISCO — Defense Industrial Security Clearance Office
• SM — System Management
• D — Directive
• RRF — Ready Reserve Force
• MTBMA — Mean Time Between Maintenance Actions
• FBIS — Foreign Broadcast Information Service
• UPT — Universal Personal Telecommunications
• DCS — Defense Communications System
• CACDA — Combined Arms Combat Development Activity
• LC — Library of Congress
• CEMA — Council for Mutual Economic Assistance
• ATD — Advanced Technology Demonstration
• CRAF — Civil Reserve Air Fleet
• CRS — Community Relations Service
• FAPC — Food and Agriculture Planning Committee
• ABCCC — Airborne Battlefield Command and Control Center
• WA — Western Approaches
• EWO — Electronic Warfare Officer
• DIS — Defense Information System
• MARAD — Maritime Administration (National Defense Reserve Fleet)
• CSTVRP — Computer Security Technical Vulnerability Reporting Program
• WEFAX — Weather Facsimile
• IPC — Industrial Planning Committee
• TMPC — Theater Mission Planning Center
• DA — Direct Action
• MOSFET — Metal-Oxide Semiconductor Field-Effect Transistor
• COC — Combat Operations Center
• TTBT — Threshold Test Ban Treaty
• CCITT — Consultative Committee for International Telephone and Telegraph
• DND — Department of National Defence
• TMB — Technical Management Board
• AHFEWS — Army High Frequency Electronic Warfare System
• POW — Prisoner of war
• DCG — Deputy Commanding General
• PCS — Personal Communications Services
• NMCS — National Military Command System

• ODIF — Open Document Interchange Format
• CCS2 — Command and Control Subordinate System
• CTF — Combined Task Force
• CCAS — Cape Canaveral Air Station
• DAES — Defense Acquisition Executive Summary
• DARP — Defense Airborne Reconnaissance Program
• DTS — Dedicated Transmission Service
• JPEC — Joint Planning and Execution Community
• APM — Army Program Memorandum
• CRC — Control and Reporting Center (USAF 407L)
• TELCO — Telephone Company
• BMD — Ballistic Missile Defense; Boyevaya Mashina Desantika (Russian: airborne combat vehicle)
• BMO — Ballistic Missile Organization
• AFMC — Air Force Materiel Command
• FIPC — Foreign Intelligence Priorities Committee
• DDRS — Defense Data Repository System
• ASARC — Army Systems Acquisition Review Council
• CFC — Combined Federal Campaign
• OTH — Over the Horizont
• BAS — Basic Allowance for Subsistence
• RLG — Ring Laser Gyro
• MEB — Marine Expeditionary Brigade (US)
• C-E — Communications-Electronics
• RSTN — Radio Solar Telescope Network
• VRD — Virtual Retinal Display
• CMAG — Cruise Missile Advanced Guidance
• DCSLOG — Deputy Chief of Staff for Logistics, US Army
• NOSC — Naval Ocean Systems Center (replaced by NCCOSC and now SPAWAR Systems Center)
• AG — Adjutant General (Army)
• TAC — Tactical Air Command (U.S. Air Force bases) (now ACC)
• DTSS — Digital Topographic Support System
• RADC — Rome Air Development Center (Now Rome Laboratory)
• MAIS — Major Automated Information System
• PCS — Permanent Change Of Station. Reassignment To A Different Duty Station.
• TACC — Tanker Airlift Control Center (USAF AMC)
• OPIC — Overseas Private Investment Corporation
• MTST — Magnetic Tape Selectric Typewriter
• BEM — British Empire Medal
• DTD — Directorate of Technical Development
• BTA — Best Technical Approach
• AIM — Air Intercept Missile
• SOC — Special Operations Capable
• TAMPS — Tactical Aircraft Mission Planning System
• OOTW — Operations Other Than War (now SSO)
• BRAC — Base Realignment and Closure (Commission)
• NHCD — National HUMINT Collection Directive
• MCS — Message Conversion System
• CSSCS — Combat Service Support Control System
• CONFIG — Configuration
• VPF — Vector Product Format

• DON — Department Of the Navy
• PSTN — Public Switched Telecommunications Network
• DF — Direction Finding or Finder
• MOC — Maintenance Operational Check
• NSDD — National Security Decision Directive
• IPF — Integrated Processing Facility
• TAE — Transportable Applications Executive (a computer user interface)
• LSI — Large-Scale Integration
• KSOS — Kernelized Secure Operating System
• MOPS — Million Operations per Second
• CMTC — Combat Maneuver Training Center
• SWO — Staff Weather Officers
• ERAST — Environmental Research Aircraft and Sensor Technology
• MDW — Military District of Washington (US Army)
• SAP — Special Access Program
• EDC — European Defence Community
• DASC — Direct Air Support Center (USMC)
• AFCC — Air Force Communications Command
• ONC — Operational Navigation Chart
• LOW — Launch on Warning
• MOTIF — Maui Optical Tracking and Identification Facility
• RECC — Regional Emergency Communications Coordinator
• DSP — Defense Support Program
• CGSC — Command and General Staff College (U.S. Army)
• ASED — Assistant Secretary of Defense
• RFPI — Rapid Force Projection Initiative
• TEC — US Army Topographic Engineering Center
• JAEIC — Joint Atomic Energy Intelligence Committee
• AMPE — Automated Message Processing Exchange
• SPM — System Program Manager
• SQL — Standard Query Language
• PSS — Packet Switched Service
• PM — Prime Minister
• OEU — Operational Evaluation Unit
• IRBM — Intermediate-range ballistic missile
• TIRS — Thermal Infrared Scanner
• ECMC — Enhanced Crisis Management Capability
• OPL — Operational
• NAVELEX — Naval Electronic Systems Command
• CNET — Chief of Naval Education and Training
• KIAS — Knots Indicated Air Speed
• IPSO — Internet Protocol Security Option
• CJTF — combined joint task force
• AR — Army Ranger
• NITF — National Imagery Transmission Format
• CMCA — Cruise Missile Carrier Aircraft
• NF — no foreign
• PKC — Public Key Cryptography
• ETR — Eastern Test Range (ESME Preferred)
• MERADCOM — Mobility Equipment Research and Development Command (U.S. Army)

• NAF — Numbered Air Force (US)
• DIPEC — Defense Industrial Plant Equipment Center
• JITC — Joint Interoperability Test Center (DISA)
• BDP — Battlefield Development Plan
• MEF — Marine Expeditionary Force (US)
• OTEA — United States Army Operational Test and Evaluation Agency
• USCS — United States Customs Service
• DU — Decision Unit
• LSC — Linear Shaped Charge
• TRSS — Tactical Remote Sensor System
• PV — Positive Vetting
• POS — Position Orientation Systems
• APC — Adaptive Predictive Coding
• LTBT — Limited Test Ban Treaty
• MW — Microwave
• EPDS — Electronic Processing and Dissemination System
• DISNET — Defense Integrated Secure Network
• ONI — U.S. Navy Office of Naval Intelligence
• FBM — fleet ballistic missile submarine
• SDP — Service Delivery Point
• JTIDS — Joint Tactical Information Distribution System (djay-tidz)
• CWC — Chemical Weapons Convention (International Treaty)
• PMSP — Preliminary Message Security Protocol
• DIC — Defense Intelligence College
• ATCCS — Army Tactical Command and Control System
• DSSCS — Defense Special Security Communications System
• BETA — Battlefield Exploitation and Target Acquisition
• IOT&E — Initial Operational Test & Evaluation
• JSTARS — Joint Surveillance and Target Attack Radar System
• SCI — Special Compartmented Information
• CAF — Combat Air Forces (US)
• CFA — Center For Architecture
• T/R — Transmitter/Receiver
• CP — Central Processor
• AFTAC — Air Force Technical Applications Center
• SIP — Site Implementation Plan
• SDIS — Switched Digital Integrated Service
• USNA — United States Naval Academy
• LRC — Logistics Readiness Center
• ES — Expert System
• DSARC — Defense Systems Acquisition Review Council
• ROTHR — Relocatable Over-The-Horizon Radar
• OIA — Office of Imagery Analysis
• MTL — Material Technology Laboratory
• CCMAT — Canadian Centre for Mine Action Technologies
• JSMB — Joint Space Management Board
• MCS — Maneuver Control System
• ESSM — Evolved Sea Sparrow Missile
• NCS — Network Control Station
• DPL — Degausser Products List

• ASC — AUTODIN Switching Center
• JTA — Joint Table of Allowances
• UNC — United Nations Command
• JSC — Joint Spectrum Center (formerly ECAC)
• LWIR — Long-Wavelength Infrared
• JWG — Joint Working Groupof
• JDA — Joint Deployment Agency
• RB/ER — Reduced Blast/Enhanced Radiation
• CAA — Concepts Analysis Agency (U.S. Army)
• RMS — Remote Monitoring System
• DAWN — Defense Attache Worldwide Network
• JOP — Joint Operating Procedure
• BCT — Brigade Combat Team
• LDC — less-developed country
• FBS — Forward-Based Systems
• RCMP — Royal Canadian Mounted Police
• SCS — Security Control System
• SBI — Special Background Investigation
• MILSTAMP — Military Standard Transportation & Movement Procedure
• TR — Transportation Request
• PTP — Paper Tape Punch
• CHOP — Change of Operational Control
• JIEO — Joint Interoperability Engineering Organization (DISA)
• AGCCS — Army Global Command and Control System
• ACW — Aircraft Control & Warning
• DINAH — Desktop INterface to AUTODIN Host
• FCS — Future Combat System
• D/A — Digital/Analog
• DERA — Defense Environment Restoration Account
• ACTD — An Advanced Concept Technology Demonstration
• WRM — War Reserve Materiel
• CSA — Chief of Staff of the Army
• TEG — Tactical Exploitation Group (Navy's Joint Service Imagery Processing System)
• DCU — Data Control Unit
• SORD — System Operational Requirements Document
• PS — Packet Switch
• TARPS — Tactical Air Reconnaissance Pod System
• C² — Command and Control
• NTCB — Network Trusted Computing Base
• DRB — Defense Resources Board
• DAP — Designated Acquisition Program
• PIP — Project Implementation Plan (AID)
• VTS — Vandenberg Tracking Station (AFSCN)
• LUT — Limited User Test
• JSAN — Joint Staff Automation of the Nineties
• DCP — Decision Coordinating Paper
• LRP — Long-range Plan
• COEA — Cost and Operational Effectiveness Analysis
• DB — Data Base
• PCA — Point of Closest Approach

• WR — Western Range
• OSF — Operations Support Facility
• AR — Army
• JTR — Joint Travel Regulation
• WFP — World Food Program
• PRB — Program Review Board
• AR — Army Reenlistment
• USIA — United States Information Agency (changed To IIP)
• EWO — Emergency War Order
• DARO — (U.S.) Defense Airborne Reconnaissance Office
• NSI — National Security Information
• DCTN — Defense Commercial Telecommunications Network
• CECOM — U.S. Army Communications And Electronics Command
• CPM — Cycles Per Minute
• CEP — Civil Emergency Planning
• DIMSS — DSN Integrated Management Support System
• AJCC — Alternate Joint Communications Center
• WWOLS — World Wide on-Line System
• JRMB — Joint Requirements and Management Board
• SIPRNET — Secret Ip Router Network
• NSEP — National Security Emergency Preparedness
• P&L — Production & Logistics
• DCA — Defense Communication Agency
• DCGS — Distributed Common Ground System
• PPL — Preferred Products List
• XA — Extended Architecture (MVS)
• CAP — crisis action planning (US DoD)
• MMU — Mass Memory Unit
• NGB — National Guard Bureau
• PDP — Programmable Data Processor
• CDIP — Council of Defense Intelligence Producers
• CAB — Cabin
• NTISSC — National Telecommunications & Information Systems Security Committee
• TSM — TRADOC System Manager
• WSMC — Western Space and Missile Center
• MBB — Modular Building Block
• DCA — Defense Cooperation Agreements
• SHAPE — Supreme Headquarters Allied Powers Europe (NATO)
• ARC — Acquisition Review Committee
• TAC — Terrain Analysis Center
• DST — Daylight Savings Time
• TAA — Total Army Analysis
• DCID — Director of Central Intelligence Directive
• NSTAC — National Security Telecommunications Advisory Committee
• STT — Small Tactical Terminal
• LEAF — Law Enforcement Access Field
• PNAF — Prime Nuclear Airlift Force
• M&S — Modeling and Simulation
• CTAPS — Contingency Theater Automated Planning System
• MDAP — Major Defense Acquisition Program

• NSAD — Network Security Architecture and Design
• JPRS — Joint Publications Research Service
• NAVNET — Navy Network
• CLS — Contractor Logistics Support
• USAREUR — United States Army European Command
• JFLCC — Joint Force Land Component Commander and Staff
• IWSDB — Integrated Weapon System Data Base
• OAU — Organization of African Unity
• ASPO — Army Space Program Office
• ASN — Assistant Secretary of the Navy
• SST — Safe Secure Transport
• WSMCR — Western Space and Missile Center Regulation
• DST — Decision Support Tools
• MC — Military Committee
• ST&E — Security Test and Evaluations
• JFMCC — Joint Force Maritime Component Commander
• CAOC — Combined Air Operations Center
• JUMPS — Joint Uniform Military Pay System
• OSIS — Ocean Surveillance Information System
• CSP — Communications Support Processor
• ATB — Advanced Technology Bomber (USAF B-2)
• JMNS — Joint Mission Needs Statement
• NAOC — National Airborne Operations Center
• TFM — Trusted Facility Manual
• PLSS — Precision Location Strike System
• JMETL — Joint Mission-Essential Task List
• NISAC — National Industrial Security Advisory Committee
• DDC — Defense Documentation Center
• MAU — Marine Amphibious Unit
• MC — Mission Capable
• NGA — NATO Guidelines Area
• MAST — Mobile Ashore Support Terminal
• JAC — Joint Analysis Center
• MCEB — Military Communications-Electronics Board
• SMC — System Management Center
• ROC — Regional Operations Center (NATO)
• SOTF — Security Operations Training Facility
• JTA — Joint Technical Architecture
• PNVS — Pilot Night Vision System
• SSO — Special Security Office
• LSB — Lower Sideband
• SPI — Surface Position Indicator
• BGPHES — Battle Group Passive Horizon Extension System
• DCI — Director of Central Intelligence (DIA)
• MSPB — Merit System Protection Board
• RAAP — Rapid Application of Air Power
• ASSR — Agreed Set of Security Rules
• STAR — System Threat Assessment Report
• METEOSAT — European Geostationary Meteorological Satellite
• BFA — Battlefield Functional Area

• PCO — Procuring Contracting Officer
• USB — Upper Sideband
• NMC — Not Mission Capable
• JSEAD — Joint Suppression of Enemy Air Defenses
• JSTPS — Joint Strategic Target Planning Staff
• JSPS — Joint Strategic Planning System
• WGS — World Geodetic System
• OTEA — Operational Test and Evaluation Agency (U.S. Army)
• MHD — Moving-Head Disk
• POES — Polar Orbiting Environmental Satellite
• LANDSAT — land satellite (photographs of the ground)
• NCB — Nuclear Contingency Branch
• MISSI — Multilevel Information System Security Initiative
• CFS — Center For Standards
• NPIC — National Photographic Interpretation Center
• JSIPS — Joint Service Imagery Processing System
• MSK — Minimum Shift Keying
• CE — command element (MAGTF) (US DoD)
• DES — Digital Encryption Standard
• DTS — Data Transmission System
• SOON — Solar Observing Optical Network
• LDEF — Long Duration Exposure Facility (for Spacecraft Material Testing)
• OSI — Office of Special Investigations
• JROC — Joint Requirements Oversight Council
• WWMCCS — Worldwide Military Command and Control System (obsolete)
• MW — Missile Warning
• SLAT — Supersonic Low-Altitude Target
• SWC — Shield, Space Warfare Center
• NWC — National War College
• POS — Position of Strength
• ADT — Active Duty for Training
• JMCIS — Joint Maritime Command Information System
• LPI — Low Probability of Intercept
• OSI — Open System Interconnection
• CSDE — Central Servicing Development Establishment
• DGCC — DISA Global Control Center
• SMH — Society for Military History
• OSE — Open System Environment
• DODD — DoD Directive
• TIARA — Tactical Intelligence And Related Activities
• CARS — Contingency Airborne Reconnaissance System
• ACS — Army Community Service
• NDIC — National Drug Intelligence Center
• PCS — Personal Communications System
• USAMCC — United States Army Meteorology and Calibration Center
• AITS — Adopted Information Technology Standards
• TEHO — Tail-End-Hop-Off
• KMR — Kwajalein Missile Range
• N-ISDN — Narrowband ISDN
• NSD — National Security Directive

• ELDO — European Launcher Development Organization
• BCTP — Battle Command Training Program
• NCS — net control station (communications)
• TREE — Transient Radiation Effects on Electronics
• BG — Battle Group (naval)
• AAA — Anti Aircraft Artillery
• EPL — Evaluated Products List
• SRAM — Short Range Attack Missile
• IPDS — Imagery Processing and Dissemination System
• SMILS — Sonobuoy Missile Impact Location System
• OCS — Operational Control Segment
• MTCR — Missile Technology Control Regime
• UWB — Ultra Wide-Band
• PRI — Pulse Repetition Interval = I/PRF
• JOTS — Joint Operational Tactical System
• JPAM — Joint Program Assessment Memorandum
• NSARC — Navy Systems Acquisition Review Council
• ISC — United States Army Information Systems Command
• TACP — Tactical Air Control Party
• WWIMS — Worldwide Warning Indicator Monitoring System
• MSIC — Missile and Space Intelligence Center
• NMJIC — National Military Joint Intelligence Center
• JSR — Joint Strategy Review
• JCMC — Joint Crisis Management Capability
• RFE — Radio Free Europe
• ORD — Operational Requirements Documentation
• AR — Army Records
• PSR — program status review
• TSC — Tactical Support Center (formerly ASWOC)
• EOC — Emergency Operating Center
• WSMR — White Sands Missile Range (whiz-murr)
• TERPES — Tactical Electronic Reconnaissance Processing and Evaluation System
• CSSE — combat service support element (MAGTF) (US DoD)
• LAV — Light Armored Vehicle (non-tactical)
• CNC — Computerized Numerical Control
• TSS — Timesharing System
• DMSO — Defense Modeling and Simulation Office's
• NSS — National Seismic Station
• ON — Original Negative (film)
• SAMTO — Space And Missile Test Organization
• MILSTD — Military Standard
• RAF — Royal Air Force (U.K.)
• ISB — Intelligence Systems Board
• TLAM — Tomahawk Land Attack Missiles
• SHADE — Shared Data Environment
• VAC — Volts, Alternating Current
• SSS — Systems Science and Software
• STACCS — Standard Theater Army Command and Control System
• DTD — Digital Terrain Data
• MROC — Multicommand Required Operational Capability

• MLA — Multispectral Linear Array
• JPD — Joint Planning Document
• TIBS — Tactical Information Broadcast System
• JMIC — Joint Military Intelligence College
• JCALS — Joint Computer-Aided Logistics System
• MED — Mediterranean (the region) (START)
• TA — Terrain Avoidance
• MENA — Middle East (and) North Africa
• TADIL — Tactical Data Information Link
• JFSOCC — Joint Force Special Operations Component Commander
• OTCIXS — Officer in Tactical Command Information Exchange Subsystem
• JSRC — Joint Search and Rescue Center
• USSS — United States Secret Service
• MAD — Mutual Assured Destruction
• SVGA — Super Video Graphics Adapter
• V — Vertical
• JMTK — Joint Mapping Tool Kit
• WPC — Word Processing Center
• JPOTF — Joint Psychological Operations Task Force
• NDRF — National Defense Reserve Fleet
• JIC — Joint Intelligence Center
• CP — Communications Processor
• ETO — Earth-to-Orbit
• NAC — North Atlantic Council
• NOSIC — Naval Ocean Surveillance Information Center
• MWC — Missile Warning Center
• JSS — Joint Surveillance System
• TTPI — Trust Territory of the Pacific Islands
• SAMSO — Space And Missile System Organization
• JAOC — Joint Air Operations Center
• SDD — Secure Data Device
• JMIP — Joint Military Intelligence Program
• SWC — Space Warfare Center
• TBMD — Theater Ballistic Missile Defense
• AIA — Air Intelligence Agency
• OTC — Officer-in-Tactical Command
• VAFB — Vandenberg Air Force Base
• DSNET — Defense Secure Network
• TRIXS — Tactical Reconnaissance Intelligence Exchange System
• SACS — Secure Access Control System
• TWTA — Traveling Wave Tube Amplifier
• TADIL — Tactical Digital Information Link
• JSPD — Joint Strategic Planning Document
• CMWS — Common Missile Warning System
• BMDO — Ballistic Missile Defense Office
• NICS — NATO Integrated Communications System
• ARIN — American Registry of Internet Numbers
• PLRS — Position Location Reporting System
• SLFCS — Survivable Low Frequency Communications System
• USAR — United States Army Reserve

• PDD — Presidential Decision Directive
• CIB — Controlled Image Based
• PC — Production Control
• NMICC — National Military Intelligence Collection Center
• CWC — Composite Warfare Commander
• MOC — Mission Operations Center
• JFC — Joint Force Commander
• USS — United States Ship
• U/C — Undercarriage
• MPA — Maritime Patrol Aircraft
• TAOC — Tactical Air Operations Center
• CISS — Center for Information Systems Security
• NITFS — National Imagery Transmission Format Standard
• JTCG — Joint Technical Coordinating Group
• JIEP — Joint Intelligence Estimate for Planning
• MFI — Multifunction Interpreter
• MEU — Marine Expeditionary Unit (US)
• NET — New Equipment Training
• JPSD — Joint Precision Strike Demonstration
• TIS — Tactical Input Segment (JSIPS)
• MAISRC — Major Automated Information System Review Council
• LIWA — Land Information Warfare Activity
• DBOF — Defense Business Operating Fund
• NETCOM — Network Enterprise Technology Command
• RM — Requirements Management
• LIVID — Language Identification and Voice Identification
• JCSE — Joint Communications Support Element
• MITT — Mobile Integrated Tactical Terminal
• LANS — Local Area Network System
• NSS — National Security Strategy
• EP — Electronic Protection
• AR — Army Recruiting
• SPIRIT — (TROJAN) Special Purpose Integrated Remote Intelligence Terminal
• FAO — Food Agriculture Organization
• NS/EP — National Security and Emergency Preparedness
• ODS — Open Data Server
• PTT — Post Telephone and Telegraph Administration
• WHCA — White House Communications Agency
• DCTN — Defense Commercial Telephone Network
• USMA — United States Military Academy
• TBM — Theater Ballistic Missile
• WB — Wideband
• PTP — Point-To-Point
• NFCS — Nuclear Forces Communications Satellite
• DSB — (U.S.) Defense Science Board
• DCS — Defense Courier Service
• OSF — Open Systems Foundation
• WP — Word Processing
• ASR — Air/Sea Rescue
• IRDS — Information Resources Dictionary System

• TBM — Theater Battle Management
• CE — Communications-Electronics
• IUSS — Integrated Undersea Surveillance System
• NFIP — National Foreign Intelligence Program
• CSC — Customer Support Center
• MTL — Material Technology Logistics
• JWID — Joint Warrior Interoperability Demonstration
• AR — Army Reactor
• JITC — Joint Interoperability Technology Center
• DT — DEVELOPMENTAL TEST
• MIES — Modernized Imagery Exploitation System
• MTL — Materials Test Loop
• SA — Secretary of the Army's
• RSSAC — Root Server System Advisory Committee
• AR — Army Respiratory
• ASG — Area Support Group
• SIL — Systems Integration Laboratory
• SLAM — Standoff Land Attack Missile (Navy)
• AR — Army Research
• NSA — National Standards Association
• AR — Army Retirement
• MARECS — Maritime European Communications Satellite
• AR — Army Recordkeeping
• OBP — On-Board Processing
• PA — Public Affairs

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