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Governmental & Military >> Army Abbreviations

Look through 1825 acronyms and abbreviations related to Army:

• APFT — Army Physical Fitness Test
• XMIT — Transmit
• TIM — Technical Interchange Meeting
• LAN — Local Area Network
• ETA — Estimated Time of Arrival
• CSMA/CD — Carrier Sense Multiple Access with Collision Detection
• SPS — Standard Positioning Service (GPS)
• PPS — Precise Positioning Service
• ISAR — Inverse Synthetic-Aperture Radar
• ANFO — Ammonium Nitrate Fuel Oil Explosive
• BAOR — British Army of the Rhine
• MUX — Multiplexer
• DOB — Date Of Birth
• TDA — Table of Distribution and Allowances
• FCFS — First Come First Served
• MLS — Microwave Landing System
• MM — Millimeter
• ARPANET — Advanced Research Projects Agency Network (early internet)
• ROM — Read-Only Memory
• UCMJ — Uniform Code of Military Justice
• MAN — Metropolitan Area Network
• EOB — Electronic Order of Battle
• LASER — Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
• ASAP — As Soon As Possible (pronounced AY-sap)
• XO — Executive Officer
• OBE — Overtaken By Events
• IT — Information Technology
• CPU — Central Processing Unit
• ANSI — American National Standards Institute, Inc.
• OPS — Operations
• WWW — World Wide Web
• DAC — Discretionary Access Control
• BVR — Beyond Visual Range
• SSN — Social Security Number
• RF — Radio Frequency
• AIAA — American Institute of Aeronautics and Astronautics, Inc.
• UK — United Kingdom of Great Britain and Northern Ireland
• CDR — Critical Design Review
• BTW — By The Way
• FEMA — Federal Emergency Management Agency
• OEM — Original Equipment Manufacturer (usually in reference to car parts)
• VIP — Very Important Person
• MOS — Military Occupational Speciality
• MSG — Message
• ADC — Air Data Computer
• QC — Quality Control
• UFO — Unidentified Flying Object
• SAR — Search And Rescue
• AWE — Advanced Warfighting Experiment
• MSC — Military Sealift Command

• AAR — After Action Review
• CAP — Civil Air Patrol
• LCD — Liquid Crystal Display
• ESA — European Space Agency
• CCB — Configuration Control Board
• IP — Internet Protocol
• ACU — Army Combat Uniform
• PDR — Preliminary Design Review
• ELV — Expendable Launch Vehicle
• AC — Alternating Current
• CCB — Change Control Board
• FET — Field Effect Transistor
• ADM — Advanced Development Model
• AD — Air Defense
• EEO — Equal Employment Opportunity
• SCIF — Sensitive Compartmented Information Facility
• QOL — Quality of Life
• C/SSR — Cost/Schedule Status Report
• MOA — Memorandum Of Agreement
• CY — Calendar Year
• DFD — Data Flow Diagram
• BLUF — Bottom Line Up Front
• RWR — Radar Warning Receiver
• CBO — Congressional Budget Office
• APB — All Points Bulletin
• WAC — World Aeronautical Chart
• POC — Point Of Contact
• NFS — Network File System
• COB — close of business (End of duty day)
• USDA — United States Department of Agriculture
• IRR — Individual Ready Reserve
• EOD — Explosive Ordnance Disposal
• RFP — Request For Proposal
• APU — Auxiliary Power Unit
• SOPS — Standard Operating Procedures
• DSA — Digital Signature Algorithm
• NSN — National Stock Number
• STS — Space Transportation System
• MARV — Maneuverable Reentry Vehicle
• CDRL — Contract Data Requirements List
• PDA — Personal Digital Assistant
• ATA — Area Transportation Authority
• APT — Automatic Picture Transmission
• APB — Acquisition Program Baseline
• 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.
• ADM — Acquisition Decision Memorandum
• TQM — Total Quality Management
• CEO — Chief Executive Officer
• AFCS — Automatic Flight Control System
• MMIC — Monolithic Microwave Integrated Circuit

• RPG — Report Program Generator
• SIR — Shuttle Imaging Radar
• ASME — American Society of Mechanical Engineers
• MOU — Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
• TF — Task Force
• R&D — Research & Development
• CMOS — Complementary Metal-Oxide Semiconductor
• PPM — parts per million
• AGL — Above Ground Level
• ALO — Air Liaison Officer
• IPB — Intelligence Preparation of the Battlefield
• DMSP — Defense Meteorological Satellite Program (U.S.)
• EMP — Electromagnetic Pulse
• ADF — Australian Defence Force
• CEP — Circular Error Probable
• DME — Distance Measuring Equipment
• ATM — Asynchronous Transfer Mode
• WAN — Wide Area Network
• ACCP — Army Correspondence Course Program
• MP — Military Police
• UAV — Unmanned Aerial Vehicle
• ABR — Available Bit Rate
• EW — Electronic Warfare
• SA — Situation(al) Awareness
• DPKO — Department of Peacekeeping Operations
• CRS — Congressional Research Service
• OTC — Over The Counter (medications not requiring a prescription)
• EO — Executive Order
• LNG — Liquefied Natural Gas
• CAE — Computer-Aided Engineering
• AFATDS — Advanced Field Artillery Tactical Data System
• NSC — National Security Council
• TCB — Trusted Computing Base
• WBS — Work Breakdown Structure
• AIS — Automated Information System
• CE — Civil Engineer
• AVHRR — Advanced Very High Resolution Radiometer  
• USAF — United States Air Force
• USMTF — United States Message Text Format
• AT — Annual Training
• ADP — Automated Data Processing
• AF — Air Force
• VR — Virtual Reality
• BTU — British Thermal Unit
• EEOC — Equal Employment Opportunity Commission
• USA — United States Army
• ASR — Airport Surveillance Radar
• TCP — Transmission Control Protocol
• FAA — Federal Aviation Administration
• AWGN — Additive White Gaussian Noise

• RAC — Resident Agent in Charge
• CIO — Chief Information Officer
• ALT — Alternate
• ATF — Advanced Tactical Fighter
• CA — Civil Affairs
• AIT — Advanced Individual Training
• ARPA — Advanced Research Projects Agency (made early internet)
• DEC — Digital Equipment Corporation
• DPS — Department of Public Safety
• CTR — Center
• FA — Field Artillery
• SF — Special Forces
• BAE — British Aerospace Systems, LTD
• EDM — Engineering Development Model
• CFE — Contractor-Furnished Equipment
• AMU — Astronaut Maneuvering Unit
• ACL — Access Control List
• VHF — Very High Frequency
• NIS — Network Information System
• DTE — Data Terminal Equipment
• AOA — Angle Of Arrival
• DSU — Data Service Unit
• MSC — Major Subordinate Command
• SA — Security Assistance
• BITE — Built In Test Equipment/Battle Management Interoperability T&E Training Exercises
• BPA — Blanket Purchase Agreement
• SQ — Square
• AM — Amplitude Modulation
• OECD — Organization for Economic Cooperation and Development
• SYS — System
• MSA — Minimum Safe Altitude
• MIL — Military
• DOA — dead on arrival
• QRF — Quick Reaction Force. On standby to react to any situation.
• MTBF — Mean Time Before Failure
• EPA — Environmental Protection Agency (US)
• LPI — Lines Per Inch
• ASE — Aircraft Survivability Equipment
• FAR — Federal Acquisition Regulation
• ASCII — American National Standard Code for Information Interchange
• NAS — Naval Air Station
• DES — Data Encryption Standard
• ATS — applications technology satellite
• CIS — Commonwealth of Independent States
• NATO — North Atlantic Treaty Organisation
• SLIP — Serial Line Interface Protocol
• NACA — National Advisory Committee for Aeronautics
• OT — Overtime
• CD — Civil Defense
• FDMA — Frequency Division Multiple Access

• MX — Mexico
• CM — Configuration Management
• CFLCC — Combined Force Land Component Command
• RM — Resource Management
• SME — Subject Matter Expert
• POC — Proof Of Concept
• AC — Active Component
• CDU — Control Display Unit
• MAC — Message Authentication Code
• JMEM — Joint Munitions Effectiveness Manual
• VLS — Vertical Launch System
• BW — Bandwidth
• RAM — random-access memory
• ACA — Airspace Control Authority
• CRL — Certificate Revocation List
• ATD — Actual Time of Departure
• LAB — Laboratory
• OIF — Operation Iraqi Freedom
• ERP — Effective Radiated Power
• TM — Technical Manual
• AFWAL — Air Force Wright Aeronautical Laboratory
• DSA — Directory System Agent
• PM — Program Manager
• CS — Combat Support
• N — North
• MDC — Manipulation Detection Code
• CQ — Charge of Quarters
• BI — Background Investigation
• N/A — Not Applicable
• CW — Chemical Warfare
• PAR — Precision Approach Radar
• UHF — Ultra High Frequency (300-3000 MHz; 1m-10cm)
• SAG — Surface Action Group
• MSL — Mean Sea Level
• ATR — Automatic Target Recognition
• APP — Application
• CSS — Central Security Service
• FCS — Flight Control System (Subsystem)
• D — Delta
• MAC — Military Airlift Command
• DO — Delivery Order
• DAMA — Demand Assigned Multiple Access
• ET — Embedded Training
• NLT — No Later Than
• UPS — Uninterruptible Power System
• AWOL — Absent Without Leave
• ATC — Air traffic control
• DS — Direct Sequence
• MDR — Medium Data Rate
• ADPE — Automatic Data Processing Equipment

• ACR — Armored Cavalry Regiment
• MI — Military Intelligence
• CTE — Coefficient of Thermal Expansion
• STD — Standard
• TV — Television
• PMR — Program Management Review
• BIT — Binary Digit (either 0 Or 1)
• CAD — Computer-Assisted Design
• ALT — Altitude
• LEA — Law Enforcement Agency
• DS — Direct Support
• STP — Space Test Program
• EXCOM — Executive Committee
• EGA — Enhanced Graphics Adapter
• CDL — Common Data Link
• CAB — Combat Aviation Brigade
• SEC — Second
• STC — Sensitivity Time Control
• RNP — Required Navigation Performance
• FDC — Fire Direction Center
• BDA — Bomb Damage Assessment
• FISA — Foreign Intelligence Surveillance Act
• PW — Prisoner of War
• NC — No Change
• DARPA — Defense Advanced Research Projects Agency (US)
• SNAFU — Situation Normal All Fouled Up
• DC — Direct Current
• SB — Service Bulletin
• AGC — Automatic Gain Control
• CSS — Combat Service Support
• BW — Biological Warfare
• AI — Air Interdiction
• SDD — Software Design Document
• IW — Information Warfare
• RCC — Rescue Coordination Center
• TAC — Terminal Access Controller
• SCF — Satellite Control Facility
• AMR — Atlantic Missile Range
• SSAN — Social Security Account Number
• CTRL — Control
• CWO — Chief Warrant Officer
• AE — Application Entity
• AAE — Army Acquisition Executive
• EO — Equal Opportunity
• MT — Metric Ton
• PM — Preventive Maintenance
• PL — Public Law
• DIB — Directory Information Base
• MASH — Mobile Army Surgical Hospital
• LEO — Low Earth Orbit (satellite communications)

• FC — Fire Control
• SF — Standard Form
• APHIS — U.S. Department of Agriculture's Animal and Plant Health Inspection Service
• MF — Medium Frequency
• FDDI — Fiber Distributed Data Interface
• TBD — To Be Determined
• AR — Army Regulation
• NAC — National Agency Check
• SIG — Signal
• EPIRB — Emergency Position-Indicating Radio Beacon
• LDR — Low Data Rate
• MM — Million
• PAR — Perimeter Acquisition Radar
• DAR — Defense Acquisition Regulation
• AB — Air Base
• KEK — Key Encryption Key (COMSEC Key)
• EOS — Earth Observation Satellite
• RIP — Routing Information Protocol
• CSTC — Consolidated Space Test Center
• POTUS — President Of The United States. Acronym used by Whitehouse staff. See also FLOFTUS.
• EA — Executive Agent
• CIF — Central Issue Facility
• SES — Senior Executive Service
• LPF — Low Pass Filter
• DRAM — Dynamic Random Access Memory (dee-ram) (computing)
• EW — Early Warning
• AFSCN — Air Force Satellite Control Network
• CDS — Combat Direction System
• AFC — Automatic Frequency Control
• LEP — Linear Error Probable
• LF — Low Frequency
• CRT — Cathode Ray Tube (type of TV)
• FC — Fuel Cell
• MOS — Marine Observation Satellite
• RFI — Radio Frequency Interference
• LOS — Line Of Sight
• SL — Sea Level
• NSF — National Sanitation Foundation
• SCN — Specification Change Notice
• NSA — National Security Agency
• OSPF — Open Shortest Path First (ATM)
• UPI — United Press International
• CW — Continuous Wave
• CMP — Configuration Management Plan
• AAH — Advanced Attack Helicopter
• TNI — Trusted Network Interpretation
• PAT — Process Action Team
• CPX — Command Post Exercise
• RC — Reserve Component
• BIT — Built-In Test

• WS — Workstation
• COMSEC — Communications Security (military)
• FID — Foreign Internal Defense
• DAC — Development Assistance Committee
• RFS — Request For Service
• PMP — Program Management Plan
• IP — Initial Point
• CENTO — Central Treaty Organization (Baghdad Pact)
• ATA — Actual Time of Arrival
• CCAFS — Cape Canaveral Air Force Station, an air force base in Florida where NASA launches satellites from.
• CONUS — Continental United States (48 Contiguous States and DC)
• SALT — Strategic Arms Limitation Talks
• TMD — Theater Missile Defense
• DRS — Data Relay Satellite
• MCE — Modular Control Equipment
• MLV — Medium Launch Vehicle
• NASP — National Aerospace Plane
• DMZ — Demilitarized Zone
• CW — Carrier Wave
• MEPS — Military Entrance Processing Station
• JSC — Johnson Space Center (Houston, TX)
• RAM — Rolling Airframe Missile
• TED — Trunk Encryption Device
• OMV — Orbital Maneuvering Vehicle
• ESMC — Eastern Space And Missile Center (formerly AFETR)
• LAT — Latitude
• SDS — Satellite Data System
• NM — Nautical Mile
• MDA — Minimum Descent Altitude
• MODEM — Modulator-Demodulator
• CO — Company
• BOM — Bill of Material
• CPO — Chief Petty Officer
• UA — User Agent
• DCS — Deputy Chief of Staff
• CAM — computer aided manufacturing
• AU — Audio Unit
• MCW — Modulated Continuous Wave
• FIG — Figure
• DSU — Direct Support Unit
• AFSCF — Air Force Satellite Control Facility
• ATC — Air Training Command
• LF — Launch Facility
• ADA — Air Defense Artillery
• PSTN — Public Switched Telephone Network
• NESDIS — National Environmental Satellite, Data, and Information Service
• SBU — Sensitive But Unclassified
• DOD — United States Department of Defense
• PRF — Pulse Repetition Frequency
• EM — Electromagnetic

• COTR — Contracting Officer Technical Representative
• EEC — European Economic Community (predecessor of the European Union|EU)
• CIS — Combat Intelligence System
• MIS — Management Information System (OSHA)
• ASB — Army Science Board
• AVIM — Aviation Intermediate Maintenance
• CIA — Central Intelligence Agency
• BCE — Battlefield Coordination Element
• BER — Bit-Error Rate
• NSW — Naval Special Warfare
• DOJ — Department of Justice (US)
• NIC — Network Information Center
• AR — Army Reserve
• ORG — Organization
• QA — Center for Quality Assurance in International Education
• DSS — Decision Support System
• ATA — Advanced Tactical Aircraft
• OCR — Optical Character Recognition
• MHS — Message Handling System (electronic)
• USG — United States Government
• AFSTC — Air Force Space Technology Center
• K — Kilo-
• COMSAT — Communications Satellite Corporation
• CLIN — Contract Line Item Number
• LOI — Letter Of Intent
• DOMSAT — Domestic Satellite
• LFC — Large Format Camera
• AFOSI — Air Force Office of Special Investigations
• JPL — Jet Propulsion Laboratory (California Institute of Technology) (NASA)
• STR — Software Test Report
• WG — Working Group
• CAD — Computer Aided Designer
• PDU — Protocol data unit (such as segment, packet, frame, etc.)
• PMR — Pacific Missile Range
• MTTR — Mean Time To Repair
• TCP/IP — transmission control protocol/internet protocol
• COBE — Cosmic Background Explorer Satellite (NASA)
• RCV — Receive
• CAB — Cabinet
• TI — Tactical Internet
• OCD — Operational Concept Description
• SI — Special Intelligence
• AA — Australian Army
• OCS — Officer Candidate School
• SIC — Subject Indicator Code
• NIS — Network Information Service
• ATF — Amphibious Task Force
• RFI — Request For Information. Sales department shorthand. Special priority when use in conjunction with RFN (see below).
• COG — Continuity Of Government
• BCD — Bad Conduct Discharge

• FBI — Federal Bureau of Investigation
• EAM — Emergency Action Message
• VPN — Virtual Private Network (ATM)
• VM — Virtual Memory
• DMSS — Defense Meteorological Satellite System
• MOE — Measure Of Effectiveness
• TACS — Theater Air Control System
• TG — Task Group
• FCS — Fire Control System
• PDL — program design language
• LZ — Landing Zone
• JP — Joint Publication
• PW — Pulse Width
• AUTOVON — Automatic Voice Network
• OA — Office Automation
• DSCS — U.S. Defense Satellite Communications System
• DG — Defense Guidance
• DOS — Disk Operating System
• MVS — Multiple Virtual Storage
• SW — Switch
• SQL — Structured Query Language
• CACM — Central American Common Market
• AACB — Aeronautics & Astronautics Coordinating Board
• IUS — Inertial UPper Stage (was Interim UPper Stage)
• FAS — Frequency Assignment Subcommittee
• TWT — Traveling Wave Tube
• AEW — Airborne Early Warning
• AFB — Air Force Base (USAF)
• ABMA — Army Ballistic Missile Agency
• TAD — Theater Air Defense
• MAC — Mandatory Access Control
• ANG — Air National Guard
• DNA — Defense Nuclear Agency
• LPC — Linear Predictive Coding
• CDMA — Code Division Multiple Access (voice/data transmission)
• CEC — Cooperative Engagement Capability
• NMS — Network Management System
• DMA — direct memory access (computer term)
• TBO — Time Between Overhaul
• MBO — Management by Objective
• SCC — Space Control Center
• NCS — National Communications System
• COS — Chief of Staff
• CAVU — Ceiling And Visibility Unlimited
• ECO — Engineering Change Order
• SOW — Statement Of Work
• VOL — Volume
• ACS — Aerial Common Sensor
• OAS — Organization of American States
• BPR — Business Process Re-engineering

• DBA — Data Base Administrator
• PME — Professional Military Education
• LCC — Launch Control Center (KSC)
• DASD — Direct Access Storage Device
• SNMP — Simple Network Management Protocol (ATM)
• MARS — Military Affiliate Radio System
• NORAD — North American Air Defense (Command)
• MILS — Missile Impact Location System
• DIA — Defense Intelligence Agency (USA)
• NEACP — National Emergency Airborne Command Post
• NMS — National Military Strategy
• CNR — Combat Net Radio
• ERTS — Earth Resources Technology Satellite (now Landsat)
• CTC — Combat Training Center
• OP — Operator
• PC — Personal computer (host)
• CG — Coast Guard
• MSS — Multispectral Scanner System
• POP — Point Of Presence (Internet)
• D — Director
• SDHS — Satellite Data Handling System
• NAS — United States National Academy of Sciences
• ESS — Electronic Switching System
• ASEAN — Association of Southeast Asian Nations
• SID — Secondary Imagery Dissemination
• ELINT — Electronic Intelligence Satellite
• AFGL — Air Force Geophysics Laboratory
• PMCS — Preventive Maintenance Checks and Services
• OC — Optical Carrier
• DAD — Dual Air Density
• OS — Operating System
• FIPS — Federal Information Processing Standard
• FDX — Full Duplex
• EMT — Extraordinary Masochistic Tendencies (joke At Expense Of Emergency Medical Technicians)
• RCC — Regional Control Center
• TSC — Training Support Center
• SHF — Super High Frequency
• DDS — Defense Dissemination System
• O&M — Operation and Maintenance
• PPI — Plan Position Indicator
• TDY — temporary duty (non-unit-related personnel)
• KSC — John F. Kennedy Space Center
• ASN — Abstract Syntax Notation
• KISS — Keep It Simple Stupid
• IR — Infrared
• ACU — Antenna Control Unit
• AFRL — Air Force Research Laboratory
• LED — law enforcement desk; light emitting diode
• E&I — Engineering & Installation
• TRE — Tactical Receive Equipment

• ROC — Required Operational Capability
• WO — Washington Office
• PIN — Personal Identification Number
• AFOTEC — Air Force Operational Test and Evaluation Center's
• MDT — Message Distribution Terminal
• SAC — Strategic Air Command
• SBCT — Stryker Brigade Combat Team
• EMT — Emergency Medical Treatment
• NOR — Notice Of Revision
• IRS — U.S. Internal Revenue Service
• LIDAR — Lander Light Detection and Ranging
• COB — Command Operating Budget
• MAA — Mission Area Analysis
• DPG — Defense Planning Guidance
• LAGEOS — Laser Geodynamic Satellite
• BERT — Bit Error Rate Tester (telecommunication)
• BGP — Border Gateway Protocol (routing protocol)
• COS — Cosine
• POV — Privately Owned Vehicle
• PERT — Program Evaluation and Review Technique
• EUVE — Extreme Ultraviolet Explorer (NASA Satellite)
• NEPA — National Energy Policy Act of 1992
• AFM — Air Force Manual
• QBE — Query By Example
• NSW — New South Wales
• SAW — Squad Automatic Weapon
• SLV — Space Launch Vehicle
• OCR — Optical Character Reader
• CAPT — Captain
• S — Secret
• MLRS — Multiple Launch Rocket System (US)
• TASO — Terminal Area Security Officer
• PRI — Primary Rate Interface (ISDN)
• DNC — Digital Nautical Chart
• NIST — National Institute of Standards and Technology
• BSB — Base Support Battalion
• VLF — Very Low Frequency
• USCG — United States Coast Guard
• CDT — Central Daylight Time
• NOAA — National Oceanic and Atmospheric Administration (US)
• DCA — Defensive Counter Air
• SLAR — Side-Looking Airborne Radar
• 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.")
• DTED — Digital Terrain Elevation Data (dee-ted)
• FAA — Federal Aviation Agency
• ARL — Army Research Laboratory
• MASDC — Military Aircraft Storage & Disposition Center
• RAAF — Royal Australian Air Force
• AMHS — Automated Message Handling System
• CRRES — Combined Release and Radiation Effects Satellite

• CSOC — Consolidated Space Operations Center
• AFS — Air Force Station
• ERS — Earth Resources Satellite
• MMS — Multimission Modular Spacecraft
• AFTI — Advanced Fighter Technology Integration
• MFD — Multi-Function Display
• REDCOM — Readiness Command
• IPR — Impulse Response
• CRT — Crisis Response Team
• SSL — Secure Socket Layer
• WFOV — Wide Field Of View
• PPP — Point-to-Point Protocol
• DAB — Defense Acquisition Board
• TD — Technical Directive
• TCSEC — Trusted Computer System Evaluation Criteria
• SST — States Supersonic Transport
• NT — Northern Territory
• ELF — Extremely Low Frequency
• BWC — Biological Weapons Convention
• ETL — Endorsed Tools List
• DSN — Deep Space Network - network of large antennas and communication facilities.
• MMU — Manned Maneuvering Unit
• NSO — Network Security Officer
• ADL — Ada Design Language
• ADCCP — Advanced Data Communications Control Procedures
• TO — Technical Order
• OPSEC — Operational Security
• JVM — Java Virtual Machine
• BPS — bits per second
• DX — Direct Exchange (of Damaged Equipment)
• MDT — Mobile Data Terminal
• TAFIES — Tactical Air Force Intelligence Exploitation System
• DART — Disaster Assistance Response Team
• TPN — Tactical Packet Network
• EPROM — Erasable Programmable Read-Only Memory
• PFD — Power Flux Density
• BMO — Ballistic Missile Office
• TOC — Tactical Operations Center. Usually pronounced ‘tock.’ Where command elements are primarily located.
• NZ — New Zealand
• BAMF — Bad Ass Mother Fucker
• BAA — Broad Agency Announcement
• SDR — System Design Review
• CWGC — Commonwealth War Graves Commission
• NRC — National Research Council (Canada)
• MDT — Mean Down Time
• COTS — Commercial Off the Shelf Software
• SBIR — Small Business Innovation Research
• AT&T — American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
• TOR — terms of reference (ICAO/FAA)
• CGS — Common Ground Station

• AFLC — Air Force Logistics Command's
• RAD — Radiation Absorbed Dose
• PTR — Paper Tape Reader
• LAS — Land Analysis System
• OSTP — Office of Science and Technology Policy
• EMC — Electromagnetic Compatibility
• EIRP — Effective Isotropic Radiated Power
• ACDA — Arms Control and Disarmament Agency's
• E-MAIL — Electronic Mail
• NN — Neural Network
• DTM — Data Transfer Module
• BDR — Battle Damage Repair
• OJT — On the Job Training
• EFTA — European Free Trade Association (Geneva)
• PLL — Prescribed Load List
• JDAM — Joint Direct Attack Munition (djay-dam)
• IPT — Integrated Product Team
• NIS — National Input Segment
• FFP — Firm Fixed Priced
• RADAR — RAdio Detection And Ranging
• AKM — Apogee Kick Motor
• ACM — Advanced Cruise Missile
• ASARS — Advanced Synthetic Aperture Radar System
• IPS — Integrated Program Summary
• OPM — Office of Personnel Management
• CCTV — Closed Circuit Television
• PDS — Post Design Services
• TACC — Tactical Air Control Center (USN, UK)
• AFSOC — Air Force Special Operations Command
• COMM — Communication
• NCIC — National Crime Information Center
• CDC — Career Development Course
• VOR — VHF Omnidirectional Range
• DIAC — Defense Intelligence Analysis Center
• SUM — Software User's Manual
• MIC — Monolithic Integrated Circuit
• MT — Machine Translation
• VAR — Variable
• QPSK — aeronautical quadrature phase shift keying
• AC — annual closing
• FAADS — Forward Area Air Defense System
• ES — Electronic Support
• CBR — Case-Based Reasoning
• POTS — Plain Old Telephone System
• POM — Program Objective Memorandum
• MTT — Mobile Training Team
• DEPT — Department
• COBOL — Common Business-Oriented Language
• NM — Network Management
• AWS — Air Weather Service

• BER — Beyond Economical Repair
• PBX — Private Branch eXchange (company phone system)
• ANR — Active Noise Reduction
• ISDN — Integrated Service Digital Network
• EDP — Electronic Data Processing Plc (London Stock Exchange [LSE])
• ACE — Access Control Encryption
• ASD — Assistant Secretary of Defense
• AIRS — Advanced Inertial Reference Sphere
• MBPS — Megabytes Per Second
• DC — District Commissioner
• AFCSC — Air Force Cryptologic Support Center
• CAC — Combined Arms Center
• CNN — Cable News Network's
• LD — Low Density
• USAID — United States Agency for International Development
• NSA — Naval Support Activity
• NCA — National Command Authority
• ASI — Air Speed Indicator
• EC — Electronic Combat
• OPF — Orbiter Processing Facility
• TO — Task Order
• AFSC — United States Air Force specialty code
• FCC — Federal Communications Commission (US)
• VT — Virtual Terminal
• DAE — Defense Acquisition Executive
• LMI — Layer Management Interface
• AFAITC — Armed Forces Air Intelligence Training Center
• KBS — Knowledge-Based System
• VA — Veterans Administration
• CG — Commanding General
• AOA — Angle Of Attack
• NMCC — National Military Command Center
• OPR — Office of Primary Responsibility
• DLA — U.S. Defense Logistics Agency
• QDR — Quadrennial Defense Review
• SRS — Software Requirements Specifications
• EA — Electronic Attack
• DID — data item description
• CST — Central Standard Time (UTC-6 Hours)
• BRI — Basic Rate Interface
• COMMS — Communications
• SVD — Software Version Description
• C4 — Command, Control, Communications, and Computers
• ORI — Operational Readiness Inspection
• IPX — Internet Packet Exchange
• PCM — Pulse-Code Modulation
• NTIS — National Technical Information Service Technology Administration
• ANMCC — Alternate National Military Command Center
• CTS — communications technology satellite
• VOIP — Voice Over IP (Internet Protocol)

• ODA — Open Document Architecture
• STIG — Security Technical Implementation Guide
• MILSTAR — MILitary Strategic and Tactical Relay (US)
• ADIZ — Air Defense Identification Zone
• ASP — Ammunition Supply Point
• APL — Applied Physics Laboratory (at Johns Hopkins)
• MIB — Management Information Base (ATM)
• TACS — Tactical Air Control System
• PMS — Project Management System
• LANL — Los Alamos National Laboratory
• POS — Position
• AOD — Administrative Officer of the Day
• DIDS — Defense Integrated Data System
• BFT — Blue Force Tracking
• MIL STD — Military Standard
• SIMM — Single Inline Memory Module
• NBS — National Bureau of Standards (US)
• PVC — Permanent Virtual Circuit (ATM)
• TEMP — Test and Evaluation Master Plan
• SSB — Single SideBand
• MOD — Ministry Of Defence (United Kingdom) And Various Other Countries
• FEP — Front End Processor
• AMST — Advanced Medium STOL Transport
• TTY — Teletype Telex Machine
• LT — Light
• BCT — Basic Combat Training (familiarly Basic Training Or Basic)
• ARDC — Air Research and Development Command
• BIU — Bus Interface Unit
• BH — Busy Hour
• IVD — Interactive Video Disk
• SSTO — Single-Stage-to-Orbit
• B&W — Babcock & Wilcox - Black And White - Bowers & Wilkins
• AFAMPE — Air Force Automated Message Processing Exchange
• DOL — United States Department of Labor
• AFSC — Air Force Systems Command
• NES — Network Encryption System
• MTBCF — Mean Time Between Critical Failures
• DBMS — Data Base Management System
• A/D — Analog/Digital
• FDU — Force Design Update
• NRT — near real time
• JDISS — Joint Deployable Intelligence Support System
• TOA — Time Of Arrival
• AFARN — Air Force Air Request Net
• SUPT — Superintendent
• KP — Key Processor
• NG — National Guard
• OP — Operator Panel
• UNGA — United Nations General Assembly
• UNHCR — United Nations High Commissioner for Refugees Program

• AFMPC — Air Force Military Personnel Center
• PE — Program Element
• SDLC — Synchronous Data Link Control
• MECO — Main Engine Cutoff
• NOC — Network Operations Center
• JA — Judge Advocate
• TDM — Time Division Multiplexer
• NMCS — National Military Command System
• RSO — Range Safety Officer
• ODBC — Open Database Connectivity
• SDLC — Software development life cycle
• SOC — Special Operations Command
• FA — Forward Area
• CBJB — Congressional Budget Justification Book
• PM — Project Manager
• SCI — Sensitive Compartmented Information
• MTS — Movement Tracking System
• MINURSO — United Nations Mission for the Referendum in Western Sahara
• PPS — Post-Production Support
• ECOWAS — Economic Community of West African States
• LNA — Low-Noise Amplifier
• NCSC — National Computer Security Center (NSA)
• LRIP — Low-Rate Initial Production
• RISC — Reduced Instruction Set Computer
• TOVS — TIROS Operational Vertical Sounder
• AFR — Air Force Regulation
• DA — Direct Action
• TCC — Telecommunications Center
• PDM — Pulse Duration Modulation
• CAS — Calibrated Air Speed
• VDT — Video Display Terminal
• CG — Center of Gravity (DXS)
• APPS — Applications (software)
• EOB — Executive Office Building
• DRC — Data Reduction Center
• BOHICA — Bend Over, Here It Comes Again
• RTS — Remote Tracking Station
• PRT — Personal Rapid Transit
• AXAF — Advanced X-Ray Astrophysics Facility
• KMP — Key Management Protocol
• IPM — Interpersonal Messaging
• STP — Software Test Plan
• ASOC — Air Support Operations Center
• EHF — Extremely High Frequency
• ECM — Electronic Counter Measures
• EMCON — Electromagnetic Emission Control
• RI — Routing Indicator
• PEO — Program Executive Officer
• NDL — Network Data Language
• WPM — speech--words per minute

• FAX — Facsimile
• CIDR — Classless Inter-Domain Routing (ATM)
• MAG — Magnetic
• AUTODIN — Automatic Digital Network
• SA — Special Agent
• ATO — Air Tasking Order
• DREN — Defense Research and Engineering Network
• LLNL — The Department of Energy's Lawrence Livermore National Laboratory in Livermore, California
• AFMTC — Air Force Missile Test Center
• TAV — Total Asset Visibility
• NLP — Natural Language Processing
• DCE — Data Communication Equipment
• DIS — Defense Information System
• BAS — Basic Allowance for Subsistence
• AP — Application Processor
• PFPS — Portable Flight Planning Software
• BMEWS — Ballistic Missile Early Warning System (bee-mews)
• AR — Army Ranger
• CCTT — Close Combat Tactical Trainer
• SM — System Management
• EURATOM — European Atomic Energy Community
• CNO — Chief of Naval Operations
• VSAT — Very Small Aperture Terminal (satellite service)
• ELT — Emergency Locator Transmitter
• SW — Software (SFTWE Preferred)
• SLC — Space Launch Complex
• PST — Pacific Standard Time (UTC-8 Hours)
• DSI — Defense Simulation Internet
• EST — Estimated Starting Time
• IRS — Interface Requirements Specification
• MPEG — Motion Picture Experts Group
• EC — European Community
• USC — United States Code (book of laws)
• RO — Receive Only
• AFOSR — Air Force Office Of Scientific Research(USA)
• AWADS — Adverse Weather Aerial Delivery System
• OII — Operations-Intelligence Interface
• TS — Top Secret
• CGM — Computer Graphics Metafile
• CJTF — combined joint task force
• VMS — Virtual Memory System
• MAIS — Major Automated Information System
• TOE — Table of Organization and Equipment
• USGS — United States Geological Survey (DOI)
• COE — Common Operating Environment
• PROM — Programmable Read-Only Memory
• JRTC — Joint Readiness Training Center
• NEC — Navy Enlisted Classification
• TSO — Telecommunications Service Order
• SAR — synthetic aperture radar (satellite)

• MAINT — Maintenance
• EDW — Enterprise Data Warehouse
• APC — armored personnel carrier
• VF — Voice Frequency
• LOX — Liquid Oxygen
• FH — Frequency Hopping
• NARA — United States National Archives And Records Administration
• CSR — Current Situation Room
• CALS — Computer-Aided Acquisition and Logistics Support (CAALS)
• TDMA — Time Division Multiple Access
• COR — contracting officer representative
• CIC — Combat Information Center
• AMC — United States Army Materiel Command
• UPS — Uninterruptible Power Supply
• SMLM — Soviet Military Liaison Mission
• DMS — Data Management System
• OST — Outer Space Treaty
• MSR — Missile Site Radar
• JTF — Joint Task Force
• DNS — Domain Name Service
• DF — Disposition Form
• FAAS — Foreign Affairs Administrative Support
• CDB — Central Data Base
• DOS — United States Department of State
• CFE — Center For Engineering
• AWACS — Airborne Warning And Control System
• CAT — Category (e.g. CAT-5 cable)
• KDC — Kerberos Key Distribution Center
• DIS — Defense Investigative Service
• TM — Technical Monitor
• EPLRS — Enhanced Position Location Reporting System
• DUA — Directory User Agent
• SWE — Sweden
• TAIS — Tactical Airspace Integration System
• ABE — ARM-Based Electronics
• NIS — NATO Identification System
• LST — Local Standard Time
• JIPTL — Joint Integrated Prioritized Target List
• CP — command post
• DSN — Defense Switched Network
• SCPC — single channel per carrier
• DDN — U.S. Defense Data Network
• ALCS — Airborne Launch Control System
• MAD — Message Address Directory
• CFA — Center For Architecture
• VERT — Vertical
• PMIS — Personnel Management Information System
• CPS — characters per second
• UA — Unit of Action
• SEMA — Special Electronic Mission Aircraft

• OOP — Of an Object Oriented Programming
• SEI — Specific Emitter Identification
• NRL — Naval Research Laboratory
• DII — Defense Information Infrastructure
• OSS — Operations Support System
• AG — Adjutant General (Army)
• CBR — Constant Bit Rate
• ISA — Interservice Support Agreement
• ANLYS — Analysis
• APC — Adaptive Predictive Coding
• AOC — air operations center (USAF)
• PBD — Program Budget Decision
• Z — Zulu (Greenwich mean time)
• METL — Mission Essential Task List (mettle)
• VAX — Virtual Address Extension
• VRD — Virtual Retinal Display
• LMR — Land Mobile Radio
• TCF — Technical Control Facility
• OTA — Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
• AFV — Armored Fighting Vehicle
• SPM — Software Programmer's Manual
• MTMC — Military Traffic Management Command
• NIU — Network Interface Unit
• TMB — Technical Management Board
• ANDVT — Advanced Narrowband Digital Voice Terminal
• RGB — red-green-blue (signal)
• ECP — Engineering Change Proposals
• ADDS — Army Data Distribution System
• SORTS — Status of Resources and Training System
• PAM — Payload Assist Module
• BEF — British Expeditionary Force
• ACAAM — Air Courses of Action Assessment Model
• ERD — Entity-Relationship Diagram
• SECT — Section
• EIA — Electronics Industry Association (Adelaide, South Australia, Australia)
• DIR — Direction Interdépartementale des Routes
• SOC — Special Operations Capable
• PS — Packet Switch
• NEL — National Exploitation Laboratory
• BIM — Ballistic Intercept Missile
• SPS — Software Product Specification
• AD — airworthiness directives (FAA)
• MCS — Maneuver Control System
• JPEC — Joint Planning and Execution Community
• ARTEP — Army Training and Evaluation Program
• ASVAB — armed services vocational aptitude battery
• CBD — Commerce Business Daily (Changed To FBO)
• ACDS — Advanced Combat Direction System
• LOW — Launch on Warning
• RUP — Rational Unified Process

• PCMCIA — Personal Computer Memory Card International Association
• PHS — Public Health Service (U.S.)
• AAC — Alaskan Air Command
• MCC — Mission Control Center (JSC)
• IPC — Industrial Planning Committee
• NIMA — National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency|NGA)
• AUSA — Association of the United States Army's
• RIO — Radar Intercept Officer (US Navy)
• DCAA — (U.S.) Defense Contract Audit Agency
• SOF — Special Operations Force(s)
• MCS — Message Conversion System
• CHAMPUS — (U.S.) Civilian Health And Medical Program Of The Uniformed Services
• CIB — Combat Infantryman Badge
• DAP — Designated Acquisition Program
• AR — Army Reenlistment
• ESM — Electronic Support Measures
• SMB — Suck My Balls
• F — Degrees Fahrenheit
• RADIUS — Remote Authentication Dial-In User Service
• AIMD — Aircraft Intermediate Maintenance Department
• MIPR — Military Interdepartmental Purchase Request
• QPQ — Quid Pro Quo
• TLE — Target Location Error
• DEA — Drug Enforcement Administration (U.S. Department of Justice)
• SNA — System Network Architecture
• PM — Prime Minister
• EMS — Element Management System (ATM)
• AFSWC — Air Force Special Weapons Center
• MOC — Maintenance Operational Check
• ECU — Environmental Control Unit (GSM)
• JEC — Joint Economic Committee
• DRSN — Defense Red Switch Network
• DISN — Defense Information Systems Network
• EKMS — Electronic Key Management System
• AMCS — Alternate Master Control Station
• STX — Situational Training Exercise
• AGARD — Advisory Group for Aerospace Research & Development
• CARDE — Canadian Armament Research and Development Establishment
• JT — Joint
• ACC — Air Combat Command (formerly TAC)
• USPS — United States Postal Services
• DTS — Dedicated Transmission Service
• FEBA — Forward Edge of Battle Area
• EIB — European Investment Bank
• APM — Army Program Memorandum
• MTL — Materials Testing Laboratory
• MOOTW — Military Operations Other Than War (moot-double-you)
• BES — Budget Estimate Submission
• MIJI — Meaconing, Intrusion, Jamming and Interference
• NWS — National Weather Service (formerly U.S. Weather Bureau)

• AFAS — Advanced Field Artillery System
• ADDISS — Advanced Deployable Digital Imagery Support System
• RSTN — Radio Solar Telescope Network
• DDCMP — Digital Data Communications Message Protocol
• MCS — Master Control Station (VIS, Grumman)
• MC — Military Committee
• CIHS — Classified Information Handling System
• SDI — Strategic Defense Initiative
• WARC — World Administrative Radio Conference
• DRU — Direct Reporting Unit
• RDJTF — Rapid Deployment Joint Task Force (US)
• ASAR — Advanced Synthetic Aperture Radar 
• VLSI — Very Large-Scale Integration
• EO — End Office
• DITCO — Defense Information Technology Contracting Office (formerly DECCO)
• AZ — Azimuth
• DOC — United States Department of Commerce
• BPI — bits per inch
• ETD — Estimated Time of Departure
• DPC — Defense Planning Committee
• SMDS — Switched Multimegabit Data Service (ATM)
• EC — executive committee
• FEA — Front End Analysis
• CMW — Compartmented Mode Workstation
• NTZ — No Transgression Zone
• MGR — Manager
• SIP — Site Implementation Plan
• SSMA — Spread-Spectrum Multiple Access
• PPM — Pulse Position Modulation
• RPV — Remotely Piloted Vehicle
• FAPC — Food and Agriculture Planning Committee
• MEO — Medium-Earth Orbit
• TMDE — Test Measurement and Diagnostic Equipment
• VBR — Variable Bit Rate (ATM)
• VHSIC — Very High-Speed Integrated Circuit
• AFMIC — Armed Forces Medical Intelligence Center
• CJCS — Chairman of the Joint Chiefs of Staff
• RDBMS — Relational Data Base Management System (Oracle)
• AP — Associated Press
• NAV — Navigator
• SCI — Special Compartmented Information
• MNS — Mission Needs Statement
• DASC — Direct Air Support Center (USMC)
• DTU — Data Transfer Unit
• FAAR — Forward Area Alerting Radar (US)
• NCIS — Naval Criminal Investigative Service (US)
• EPS — Encapsulated Postscript
• ETF — Enhanced tactical fighter
• AFMSS — Air Force Mission Support System
• CRAF — Civil Reserve Air Fleet

• AFWA — Air Force Weather Agency
• CNWDI — Critical Nuclear Weapons Design Information
• BMDO — (U.S.) Ballistic Missile Defense Organization (bim-do)
• BMO — Ballistic Missile Organization
• ERA — Equal Rights Amendment
• RLG — Ring Laser Gyro
• DT&E — Developmental Test & Evaluation
• AOIC — Assistant Officer in Charge
• MSS — Mission Support System
• VDU — Video Display Unit
• PCA — Point of Closest Approach
• EMI — Electro-Magnetic Interference
• SOL — Solenoid
• BDP — Battlefield Development Plan
• NII — National Information Infrastructure (USA)
• ADGE — Air Defence Ground Environment
• DODISS — Department of Defense Index of Specifications and Standards
• IPF — Integrated Processing Facility
• ATP — Advanced Technology Program
• NGL — Natural Gas Liquid (usually Ethane Or Propane)
• JOC — joint operations center; joint oversight committee
• RLA — Repair-Level Analysis
• TR — Transportation Request
• MPP — Massively Parallel Processing/Processor
• NTDS — Naval Tactical Data System
• EBS — Emergency Broadcast System
• NOR — Norway
• WFC — World Food Council
• CAMS — Core Automated Maintenance System
• VHS — Video Home System
• MIA — Missing In Action
• F — Frequency
• CPE — Customer Premise Equipment
• CAC — Common Access Card (smart card technology used in DoD)
• PSN — Packet Switched Network
• NPR — National Performance Review (office)
• E3 — End-to-End Encryption
• PTT — Push to Talk Technology
• RX — Receive
• JOPES — Joint Operation Planning and Execution System
• C3I — Command, Control, Communications & Intelligence
• CACDA — Combined Arms Combat Development Activity
• SPR — Strategic Petroleum Reserve (US)
• EST — Estimated Ship Time
• EOSAT — Earth Observation Satellite Co.
• MAAP — Master Air Attack Plan
• NAVELEX — Naval Electronic Systems Command
• EUV — Extreme Ultraviolet Vertical
• RCS — Radar Cross Section
• WMD — Weapons of mass destruction

• VT — Video Terminal
• SPM — System Program Manager
• TEC — US Army Topographic Engineering Center
• CSU — Channel Service Unit
• AWL — Absent Without Leave
• PSS — Packet Switched Service
• LON — Longitude
• CONFIG — Configuration
• BAQ — Basic Allowance for Quarters
• JSOTF — Joint Special Operations Task Force
• AHFEWS — Army High Frequency Electronic Warfare System
• WR — Western Range
• UNAMIR — United Nations Assistance Mission for Rwanda
• ACAT — Acquisition Category
• SONET — Synchronous Optical Network
• SORD — System Operational Requirements Document
• OT&E — Operational Test and Evaluation
• PDM — Program Decision Memorandum
• ERDAS — Earth Resources Data Analysis System
• ATEC — Army Test and Evaluation Command (US Army; formerly OPTEC, Operational Test & Evaluation Command)
• DCG — Deputy Commanding General
• CRS — Community Relations Service
• CMTC — Combat Maneuver Training Center
• MMW — Millimeter Wave
• DISA — U.S. Defense Information Systems Agency
• TARPS — Tactical Air Reconnaissance Pod System
• UTM — Universal Transverse Mercator (geographical Co-ordinate System)
• JTA — Joint Table of Allowances
• MOPS — Million Operations per Second
• PKC — Public Key Cryptography
• SDNS — Secure Data Network System
• CAP — Combat Air Patrol
• OSD — U.S. Office Of The Secretary Of Defense
• OIC — Office in Charge
• UAE — United Arab Emirates
• NDA — Nondisclosure Agreement
• CFC — Combined Federal Campaign
• TRB — Technical Review Board (MRR)
• COMMO — Communications Officer
• TPS — Thermal Protection System
• OPL — Operational
• ATD — Advanced Technology Demonstration
• AMC — Air Mobility Command
• BMD — Ballistic Missile Defense; Boyevaya Mashina Desantika (Russian: airborne combat vehicle)
• NCS — Network Control Station
• CFSR — Contract Funds Status Report/ing
• LCM — Life Cycle Management
• URD — User Requirements Document
• DCTN — Defense Commercial Telecommunications Network
• SST — Safe Secure Transport

• DSP — Defense Support Program
• DDRS — Defense Data Repository System
• CFV — Cavalry Fighting Vehicle (M-3 Bradley)
• CEMA — Council for Mutual Economic Assistance
• JRMB — Joint Requirements and Management Board
• MOSFET — Metal-Oxide Semiconductor Field-Effect Transistor
• CAS — Close Air Support
• COMPUSEC — Computer Security
• CSSCS — Combat Service Support Control System
• DIC — Defense Intelligence College
• MTL — Material
• USN — United States Navy
• ODIF — Open Document Interchange Format
• RN — Royal Navy
• SVC — Switched Virtual Circuit (ATM)
• CAF — Combat Air Forces (US)
• ACW — Aircraft Control & Warning
• C-E — Communications-Electronics
• AFGWC — Air Force Global Weather Central (U.S.)
• FIPC — Foreign Intelligence Priorities Committee
• CBW — Chemical and Biological Warfare
• DEW — distant early warning (radar)
• FAAD — Forward Area Air Defense
• SDIO — Strategic Defense Initiative Organization
• WEFAX — Weather Facsimile
• IOT&E — Initial Operational Test & Evaluation
• DSSCS — Defense Special Security Communications System
• RECC — Regional Emergency Communications Coordinator
• DVI — Digital Video Interactive
• PROG — Program
• PSTN — Public Switched Telecommunications Network
• PTT — Push to Talk Taster
• OEU — Operational Evaluation Unit
• FBIS — Foreign Broadcast Information Service
• VCR — video cassette recorder/player
• AOSS — automated office support system
• APNIC — Asia Pacific Network Information Center
• STU — Secure Telephone Unit
• YAG — Yttrium Aluminum Garnet
• ATCCS — Army Tactical Command and Control System
• COMECON — Council For Mutual Economic Assistance (economic Counterpart Of The Warsaw Pact
• ARM — Atmospheric Radiation Measurement (DOE program)
• POC/ET — Proof Of Concept/Experimental Testbed
• DISNET — Defense Integrated Secure Network
• STT — Small Tactical Terminal
• LONG — Longitude
• AFIWC — Air Force Information Warfare Center
• TAC — Tactical Air Command (U.S. Air Force bases) (now ACC)
• NSDD — National Security Decision Directive
• SLEP — Service Life Extension Program

• MTST — Magnetic Tape Selectric Typewriter
• AFNET — Air Force Network
• MBT — Main Battle Tank
• AGCCS — Army Global Command and Control System
• CMAG — Cruise Missile Advanced Guidance
• RAAP — Rapid Application of Air Power
• ATB — Advanced Technology Bomber (USAF B-2)
• NF — no foreign
• DSRP — Defense Space Reconnaissance Program
• MAD — Magnetic Anomaly Detector/Detection
• EPDS — Electronic Processing and Dissemination System
• ARFCOS — Armed Forces Courier Service
• UPT — Universal Personal Telecommunications
• IU — Interface Unit
• DCS — Defense Communications System
• DND — Department of National Defence
• FBM — fleet ballistic missile submarine
• PTT — Push to Talk Testing
• LC — Library of Congress
• TAMPS — Tactical Aircraft Mission Planning System
• SAP — Special Access Program
• DCGS — Distributed Common Ground System
• PMO — Program Management Office (US)
• DTD — Data Transfer Device
• DCASR — Defense Contract Administration Services Region
• NHCD — National HUMINT Collection Directive
• JFLCC — Joint Force Land Component Commander and Staff
• MVS — Multiple Virtual System
• MEF — Marine Expeditionary Force (US)
• BRAC — Base Realignment and Closure (Commission)
• PDP — Programmable Data Processor
• EC/EDI — Electronic Commerce/Electronic Data Interchange
• MERADCOM — Mobility Equipment Research and Development Command (U.S. Army)
• ECMC — Enhanced Crisis Management Capability
• CTBT — Comprehensive Test Ban Treaty
• NTC — National Training Center (USA)
• OEF — Operation Enduring Freedom
• AFEWC — Air Force Electronic Warfare Center
• JPO — Joint Project Office
• JCS — Joint Chiefs of Staff
• LSA — Logistics Support Analysis
• JTC — Joint Technical Committee (USA)
• MTI — Moving Target Indicator
• CAB — Cabin
• MTL — Material Technology Laboratory
• CRREL — Cold Regions Research and Engineering Laboratory (COE)
• TACC — Tanker Airlift Control Center (USAF AMC)
• CP — Central Processor
• SPI — Surface Position Indicator
• IPSO — Internet Protocol Security Option

• AETC — Air Education and Training Command's
• TTBT — Threshold Test Ban Treaty
• RRF — Ready Reserve Force
• AIM — Air Intercept Missile
• DAWN — Defense Attache Worldwide Network
• AFCC — Air Force Communications Command
• AFMC — Air Force Materiel Command
• RADC — Rome Air Development Center (Now Rome Laboratory)
• MOTIF — Maui Optical Tracking and Identification Facility
• TDRSS — Tracking and Data Relay Satellite System
• DINAH — Desktop INterface to AUTODIN Host
• OOTW — Operations Other Than War (now SSO)
• AMPE — Automated Message Processing Exchange
• PRG — Program Review Group
• NCR — National Capital Region (Metro Manila)
• WA — Western Approaches
• SPOT — Satellite Pour l'Observation de la Terre (France)
• PAO — Public Affairs Officer
• SVIP — Secure Voice Improvement Program
• DISCO — Defense Industrial Security Clearance Office
• NLM — NetWare Loadable Module
• NAF — Numbered Air Force (US)
• ASC — AUTODIN Switching Center
• DMA — U.S. Defense Mapping Agency
• DCP — Decision Coordinating Paper
• DIPEC — Defense Industrial Plant Equipment Center
• ONR — Office of Naval Research (U.S.)
• DSP — Defense Standardization Program
• PNAF — Prime Nuclear Airlift Force
• PCS — Personal Communications Services
• CPM — Cycles Per Minute
• ASSIST — Automated Special Security Information System Terminal
• PSN — Public Switched Network
• DTIC — (U.S.) Defense Technical Information Center
• AMGOT — Allied Military Government for Occupied Territories
• MTA — Message Transfer Agents (Internet)
• RFPI — Rapid Force Projection Initiative
• JSAN — Joint Staff Automation of the Nineties
• CCS2 — Command and Control Subordinate System
• TELCO — Telephone Company
• USCS — United States Customs Service
• CIO — Central Imagery Office
• SSR — secondary surveillance radar (ICAO/FAA)
• MDW — Military District of Washington (US Army)
• UIC — Unit Identification Code
• TSM — TRADOC System Manager
• MILSTAMP — Military Standard Transportation & Movement Procedure
• ISB — Intermediate Staging Base
• USCMH — United States Commission on Military History
• LOC — Location Number

• CAA — Concepts Analysis Agency (U.S. Army)
• DCI — Director of Central Intelligence (DIA)
• MARAD — Maritime Administration (National Defense Reserve Fleet)
• EELV — Evolved Expendable Launch Vehicle
• REMIS — Reliability & Maintainability Information System
• VPF — Vector Product Format
• D — Directive
• CCMAT — Canadian Centre for Mine Action Technologies
• AO — Area of operations
• MTBMA — Mean Time Between Maintenance Actions
• ATGM — Anti-tank Guided Missile
• AR — Army Records
• ROK — Republic Of Korea
• DST — Decision Support Tools
• DON — Department Of the Navy
• AFTAC — Air Force Technical Applications Center
• LWIR — Long-Wavelength Infrared
• NSAD — Network Security Architecture and Design
• MILNET — Military Network
• TBA — To Be Announcede
• C&A — Certification and Accreditation
• EMD — Engineering and Manufacturing Development
• PV — Positive Vetting
• TEK — Traffic Encryption Key
• SWO — Staff Weather Officers
• DSARC — Defense Systems Acquisition Review Council
• DGCC — DISA Global Control Center
• DARP — Defense Airborne Reconnaissance Program
• RNAV — Random Navigation Area Navigation
• TOR — Tentative Operational Requirement
• IRBM — Intermediate-range ballistic missile
• ASSR — Agreed Set of Security Rules
• BRL — Ballistic Research Laboratory
• ASARC — Army Systems Acquisition Review Council
• NAOC — National Airborne Operations Center
• DTSS — Digital Topographic Support System
• OTEA — United States Army Operational Test and Evaluation Agency
• MAST — Mobile Ashore Support Terminal
• USNA — United States Naval Academy
• SJA — Staff Judge Advocate
• IRM — information resource management
• TADS — Target Acquisition and Designation System (US)
• OPIC — Overseas Private Investment Corporation
• SEMP — Systems Engineering Management Plan
• SDP — Service Delivery Point
• JWICS — Joint Worldwide Intelligence Communications System
• MHD — Moving-Head Disk
• DAES — Defense Acquisition Executive Summary
• MLA — Multispectral Linear Array
• VIN — vehicle identification number (US) (transportation)

• CITIS — Contractor Integrated Technical Information Service
• ABCCC — Airborne Battlefield Command and Control Center
• DA — Department of the Army's
• STAR — System Threat Assessment Report
• MBB — Modular Building Block
• WSMCR — Western Space and Missile Center Regulation
• DU — Depleted Uranium
• KSOS — Kernelized Secure Operating System
• JUMPS — Joint Uniform Military Pay System
• CSA — Chief of Staff of the Army
• CSTVRP — Computer Security Technical Vulnerability Reporting Program
• DPL — Degausser Products List
• C² — Command and Control
• SCS — Security Control System
• DCAS — Defense Contract Administration Services
• ERAST — Environmental Research Aircraft and Sensor Technology
• BEM — British Empire Medal
• MS — Master of Science
• PCS — Permanent Change Of Station. Reassignment To A Different Duty Station.
• TAMMS — The Army Maintenance Management System
• DSAA — (U.S.) Defense Security Assistance Agency
• RB/ER — Reduced Blast/Enhanced Radiation
• ETR — Eastern Test Range (ESME Preferred)
• NSIA — National Security Industrial Association (now part of NDIA)
• RT — Real Time (R/T Preferred)
• LSC — Linear Shaped Charge
• DARO — (U.S.) Defense Airborne Reconnaissance Office
• CCAS — Cape Canaveral Air Station
• CMCA — Cruise Missile Carrier Aircraft
• CTF — Combined Task Force
• SSCI — Senate Select Committee on Intelligence
• CDIP — Council of Defense Intelligence Producers
• CCITT — Consultative Committee for International Telephone and Telegraph
• JTIDS — Joint Tactical Information Distribution System (djay-tidz)
• JSMB — Joint Space Management Board
• MMU — Mass Memory Unit
• NAVNET — Navy Network
• SMILS — Sonobuoy Missile Impact Location System
• LEAF — Law Enforcement Access Field
• PMSP — Preliminary Message Security Protocol
• JSIPS — Joint Service Imagery Processing System
• DF — Direction Finding or Finder
• NTCB — Network Trusted Computing Base
• CRC — Control and Reporting Center (USAF 407L)
• PTP — Paper Tape Punch
• DTD — Directorate of Technical Development
• UNC — United Nations Command
• POW — Prisoner of war
• TAE — Transportable Applications Executive (a computer user interface)
• TIRS — Thermal Infrared Scanner

• OSIS — Ocean Surveillance Information System
• JOP — Joint Operating Procedure
• ASPO — Army Space Program Office
• ISO — Information Systems Office
• OIA — Office of Imagery Analysis
• TIROS — Television InfraRed Observation Satellite (POES)
• CPR — Cost Performance Report
• BTA — Best Technical Approach
• JDA — Joint Deployment Agency
• OSDPE — Office of the Secretary of Defense Program Element
• PRI — Pulse Repetition Interval = I/PRF
• NOSC — Naval Ocean Systems Center (replaced by NCCOSC and now SPAWAR Systems Center)
• JWG — Joint Working Groupof
• JAEIC — Joint Atomic Energy Intelligence Committee
• BETA — Battlefield Exploitation and Target Acquisition
• ASED — Assistant Secretary of Defense
• WWOLS — World Wide on-Line System
• USAREUR — United States Army European Command
• BOQ — Bachelor Officers' Quarters
• UNDP — United Nations Development Program
• BGPHES — Battle Group Passive Horizon Extension System
• JMETL — Joint Mission-Essential Task List
• S&T — Directorate for Science and Technology
• ONC — Operational Navigation Chart
• JMIC — Joint Military Intelligence College
• ELDO — European Launcher Development Organization
• DCSLOG — Deputy Chief of Staff for Logistics, US Army
• TAC — Terrain Analysis Center
• AID — Agency for International Development (U.S.)
• OSE — Open System Environment
• MEB — Marine Expeditionary Brigade (US)
• DCU — Data Control Unit
• OSF — Operations Support Facility
• PRB — Program Review Board
• NGA — NATO Guidelines Area
• METEOSAT — European Geostationary Meteorological Satellite
• CAP — crisis action planning (US DoD)
• MFI — Multifunction Interpreter
• MOUT — Military Operations in Urban Terrain (urban warfare) (US)
• MILSTD — Military Standard
• CAOC — Combined Air Operations Center
• LRC — Logistics Readiness Center
• ACTD — An Advanced Concept Technology Demonstration
• PNVS — Pilot Night Vision System
• MISSI — Multilevel Information System Security Initiative
• BCT — Brigade Combat Team
• FCS — Future Combat System
• PRB — Problem Review Board
• NGB — National Guard Bureau
• EWO — Emergency War Order

• DCA — Defense Cooperation Agreements
• P&L — Production & Logistics
• JSTARS — Joint Surveillance and Target Attack Radar System
• LRP — Long-range Plan
• MDAP — Major Defense Acquisition Program
• T/R — Transmitter/Receiver
• OSI — Open System Interconnection
• NTISSC — National Telecommunications & Information Systems Security Committee
• MSK — Minimum Shift Keying
• JTR — Joint Travel Regulation
• SEAD — Suppression of Enemy Air Defense
• DCA — Defense Communication Agency
• MWC — Missile Warning Center
• MAU — Marine Amphibious Unit
• NRO — U.S. National Reconnaissance Office
• DU — Decision Unit
• RCMP — Royal Canadian Mounted Police
• AJCC — Alternate Joint Communications Center
• UV — Ultra Violet
• ROC — Regional Operations Center (NATO)
• NCB — Nuclear Contingency Branch
• TFM — Trusted Facility Manual
• FBS — Forward-Based Systems
• MC — Mission Capable
• OTH — Over the Horizont
• SQL — Standard Query Language
• SRAM — Short Range Attack Missile
• SOP — standing operating procedure
• LSI — Large-Scale Integration
• DMSO — Defense Modeling and Simulation Office's
• NITF — National Imagery Transmission Format
• CECOM — U.S. Army Communications And Electronics Command
• DDTE — Director, Defense Test and Evaluation
• SO/LIC — Special Operations/Low Intensity Conflict
• LSB — Lower Sideband
• JITC — Joint Interoperability Test Center (DISA)
• DERA — Defense Environment Restoration Account
• MSPB — Merit System Protection Board
• AR — Army
• EOC — Emergency Operating Center
• XA — Extended Architecture (MVS)
• EDC — European Defence Community
• CLS — Contractor Logistics Support
• CTAPS — Contingency Theater Automated Planning System
• CEP — Civil Emergency Planning
• DRB — Defense Resources Board
• SIPRNET — Secret Ip Router Network
• COEA — Cost and Operational Effectiveness Analysis
• POS — Position Orientation Systems
• CE — command element (MAGTF) (US DoD)

• JPAM — Joint Program Assessment Memorandum
• NSTAC — National Security Telecommunications Advisory Committee
• SWC — Shield, Space Warfare Center
• NOSIC — Naval Ocean Surveillance Information Center
• ESSM — Evolved Sea Sparrow Missile
• DCID — Director of Central Intelligence Directive
• CP — Communications Processor
• CMWS — Common Missile Warning System
• EWO — Electronic Warfare Officer
• SAMTO — Space And Missile Test Organization
• JAC — Joint Analysis Center
• NMC — Not Mission Capable
• PDS — Power Distribution System (Subsystem)
• TACP — Tactical Air Control Party
• ROTHR — Relocatable Over-The-Horizon Radar
• MSIC — Missile and Space Intelligence Center
• COC — Combat Operations Center
• ACS — Army Community Service
• TEG — Tactical Exploitation Group (Navy's Joint Service Imagery Processing System)
• NSEP — National Security Emergency Preparedness
• TRSS — Tactical Remote Sensor System
• SHAPE — Supreme Headquarters Allied Powers Europe (NATO)
• DSNET — Defense Secure Network
• POES — Polar Orbiting Environmental Satellite
• DST — Daylight Savings Time
• VTS — Vandenberg Tracking Station (AFSCN)
• DES — Digital Encryption Standard
• TMPC — Theater Mission Planning Center
• PT — Physical Training. Used In The Plural (PTs)
• NICS — NATO Integrated Communications System
• MW — Missile Warning
• JFACC — Joint Force Air Component Commander
• TIBS — Tactical Information Broadcast System
• TSP — Telecommunications Service Priority
• JAOC — Joint Air Operations Center
• ON — Original Negative (film)
• SWC — Space Warfare Center
• MCEB — Military Communications-Electronics Board
• M&S — Modeling and Simulation
• MW — Microwave
• JSC — Joint Spectrum Center (formerly ECAC)
• ARC — Acquisition Review Committee
• DDC — Defense Documentation Center
• D/A — Digital/Analog
• PCS — Personal Communications System
• DFAS — Defense Finance & Accounting Service
• JMCIS — Joint Maritime Command Information System
• TSK — Transmission Security Key
• IPDS — Imagery Processing and Dissemination System
• BG — Battle Group (naval)

• DCS — Defense Courier Service
• V — Vertical
• ST&E — Security Test and Evaluations
• N-ISDN — Narrowband ISDN
• JMIP — Joint Military Intelligence Program
• CNET — Chief of Naval Education and Training
• KIAS — Knots Indicated Air Speed
• NMJIC — National Military Joint Intelligence Center
• NAC — North Atlantic Council
• JCALS — Joint Computer-Aided Logistics System
• JTA — Joint Technical Architecture
• SACS — Secure Access Control System
• LIVID — Language Identification and Voice Identification
• CHOP — Change of Operational Control
• JFMCC — Joint Force Maritime Component Commander
• LPI — Low Probability of Intercept
• JSCP — Joint Strategic Capabilities Plan
• JTCG — Joint Technical Coordinating Group
• JSTPS — Joint Strategic Target Planning Staff
• JSR — Joint Strategy Review
• ODS — Open Data Server
• OSI — Office of Special Investigations
• TSS — Timesharing System
• MAD — Mutual Assured Destruction
• RDD — required delivery date (at destination)
• JSPS — Joint Strategic Planning System
• SSO — Special Security Office
• CNC — Computerized Numerical Control
• JCMC — Joint Crisis Management Capability
• NPIC — National Photographic Interpretation Center
• SRD — System Requirements Document
• SBI — Special Background Investigation
• JPRS — Joint Publications Research Service
• USAMCC — United States Army Meteorology and Calibration Center
• CGSC — Command and General Staff College (U.S. Army)
• EPL — Evaluated Products List
• WGS — World Geodetic System
• BCTP — Battle Command Training Program
• CSSE — combat service support element (MAGTF) (US DoD)
• ADT — Active Duty for Training
• SDIS — Switched Digital Integrated Service
• IWSDB — Integrated Weapon System Data Base
• JOTS — Joint Operational Tactical System
• NISAC — National Industrial Security Advisory Committee
• ES — Expert System
• OCS — Operational Control Segment
• JCSE — Joint Communications Support Element
• MROC — Multicommand Required Operational Capability
• DB — Data Base
• NWC — National War College

• SLAT — Supersonic Low-Altitude Target
• DCTN — Defense Commercial Telephone Network
• ABCS — (U.S.) Army Battle Command System
• LDC — less-developed country
• AR — Army Recruiting
• SHADE — Shared Data Environment
• MPA — Maritime Patrol Aircraft
• USIA — United States Information Agency (changed To IIP)
• NITFS — National Imagery Transmission Format Standard
• TLAM — Tomahawk Land Attack Missiles
• JROC — Joint Requirements Oversight Council
• LDEF — Long Duration Exposure Facility (for Spacecraft Material Testing)
• CSP — Communications Support Processor
• MAISRC — Major Automated Information System Review Council
• TADIL — Tactical Data Information Link
• CFS — Center For Standards
• TIARA — Tactical Intelligence And Related Activities
• DODD — DoD Directive
• STACCS — Standard Theater Army Command and Control System
• TEHO — Tail-End-Hop-Off
• NSARC — Navy Systems Acquisition Review Council
• RMS — Remote Monitoring System
• WSMC — Western Space and Missile Center
• TAOC — Tactical Air Operations Center
• JPD — Joint Planning Document
• NDIC — National Drug Intelligence Center
• TBMD — Theater Ballistic Missile Defense
• CBRS — Concept Based Requirements System
• RSSAC — Root Server System Advisory Committee
• SVGA — Super Video Graphics Adapter
• LAV — Light Armored Vehicle (non-tactical)
• AIA — Air Intelligence Agency
• SMH — Society for Military History
• POS — Position of Strength
• JFSOCC — Joint Force Special Operations Component Commander
• CARS — Contingency Airborne Reconnaissance System
• LANDSAT — land satellite (photographs of the ground)
• JMNS — Joint Mission Needs Statement
• WWMCCS — Worldwide Military Command and Control System (obsolete)
• U/C — Undercarriage
• JSRC — Joint Search and Rescue Center
• JPOTF — Joint Psychological Operations Task Force
• RAF — Royal Air Force (U.K.)
• AAA — Anti Aircraft Artillery
• CSDE — Central Servicing Development Establishment
• NSS — National Seismic Station
• MTCR — Missile Technology Control Regime
• SAMSO — Space And Missile System Organization
• PLSS — Precision Location Strike System
• SOON — Solar Observing Optical Network

• JIEO — Joint Interoperability Engineering Organization (DISA)
• DIMSS — DSN Integrated Management Support System
• TA — Terrain Avoidance
• ASN — Assistant Secretary of the Navy
• MIES — Modernized Imagery Exploitation System
• PPL — Preferred Products List
• TWTA — Traveling Wave Tube Amplifier
• TADIL — Tactical Digital Information Link
• USB — Upper Sideband
• JSS — Joint Surveillance System
• NMICC — National Military Intelligence Collection Center
• SDD — Secure Data Device
• BMDO — Ballistic Missile Defense Office
• NDRF — National Defense Reserve Fleet
• LTBT — Limited Test Ban Treaty
• IUSS — Integrated Undersea Surveillance System
• TAA — Total Army Analysis
• ORD — Operational Requirements Documentation
• TRIXS — Tactical Reconnaissance Intelligence Exchange System
• MOC — Mission Operations Center
• ARIN — American Registry of Internet Numbers
• NETCOM — Network Enterprise Technology Command
• ASR — Air/Sea Rescue
• JSPD — Joint Strategic Planning Document
• SOTF — Security Operations Training Facility
• DTS — Data Transmission System
• PCO — Procuring Contracting Officer
• WPC — Word Processing Center
• PIP — Project Implementation Plan (AID)
• AITS — Adopted Information Technology Standards
• NSD — National Security Directive
• VAFB — Vandenberg Air Force Base
• JIEP — Joint Intelligence Estimate for Planning
• JFC — Joint Force Commander
• PDD — Presidential Decision Directive
• TSC — Tactical Support Center (formerly ASWOC)
• PSR — program status review
• DT — DEVELOPMENTAL TEST
• WRM — War Reserve Materiel
• TTPI — Trust Territory of the Pacific Islands
• MENA — Middle East (and) North Africa
• CWC — Chemical Weapons Convention (International Treaty)
• JPSD — Joint Precision Strike Demonstration
• OTCIXS — Officer in Tactical Command Information Exchange Subsystem
• MITT — Mobile Integrated Tactical Terminal
• PC — Production Control
• CIB — Controlled Image Based
• ETO — Earth-to-Orbit
• TIS — Tactical Input Segment (JSIPS)
• TREE — Transient Radiation Effects on Electronics

• OAU — Organization of African Unity
• WP — Word Processing
• UWB — Ultra Wide-Band
• ASG — Area Support Group
• WWIMS — Worldwide Warning Indicator Monitoring System
• ISB — Intelligence Systems Board
• KMR — Kwajalein Missile Range
• JMTK — Joint Mapping Tool Kit
• DTD — Digital Terrain Data
• USAR — United States Army Reserve
• SSS — Systems Science and Software
• TBM — Theater Battle Management
• WFP — World Food Program
• RFE — Radio Free Europe
• BFA — Battlefield Functional Area
• MEU — Marine Expeditionary Unit (US)
• USSS — United States Secret Service
• JWID — Joint Warrior Interoperability Demonstration
• JSEAD — Joint Suppression of Enemy Air Defenses
• DBOF — Defense Business Operating Fund
• SMC — System Management Center
• LANS — Local Area Network System
• WSMR — White Sands Missile Range (whiz-murr)
• EP — Electronic Protection
• NET — New Equipment Training
• ISC — United States Army Information Systems Command
• SPIRIT — (TROJAN) Special Purpose Integrated Remote Intelligence Terminal
• RM — Requirements Management
• ONI — U.S. Navy Office of Naval Intelligence
• CISS — Center for Information Systems Security
• CWC — Composite Warfare Commander
• NCS — net control station (communications)
• SLFCS — Survivable Low Frequency Communications System
• JIC — Joint Intelligence Center
• NSA — National Standards Association
• OTEA — Operational Test and Evaluation Agency (U.S. Army)
• NSS — National Security Strategy
• TBM — Theater Ballistic Missile
• MTL — Material Technology Logistics
• MED — Mediterranean (the region) (START)
• NFIP — National Foreign Intelligence Program
• TERPES — Tactical Electronic Reconnaissance Processing and Evaluation System
• FAO — Food Agriculture Organization
• LUT — Limited User Test
• LIWA — Land Information Warfare Activity
• JITC — Joint Interoperability Technology Center
• CE — Communications-Electronics
• NFCS — Nuclear Forces Communications Satellite
• PTT — Post Telephone and Telegraph Administration
• AR — Army Retirement

• SLAM — Standoff Land Attack Missile (Navy)
• VAC — Volts, Alternating Current
• OTC — Officer-in-Tactical Command
• IRDS — Information Resources Dictionary System
• NS/EP — National Security and Emergency Preparedness
• PTP — Point-To-Point
• SA — Secretary of the Army's
• AR — Army Respiratory
• PLRS — Position Location Reporting System
• AR — Army Reactor
• DSB — (U.S.) Defense Science Board
• USMA — United States Military Academy
• AR — Army Recordkeeping
• AR — Army Research
• OSF — Open Systems Foundation
• CSC — Customer Support Center
• MTL — Materials Test Loop
• USS — United States Ship
• NSI — National Security Information
• WB — Wideband
• MARECS — Maritime European Communications Satellite
• SIL — Systems Integration Laboratory
• WHCA — White House Communications Agency
• OBP — On-Board Processing
• PA — Public Affairs

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