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Governmental & Military >> Army Abbreviations

Look through 1825 acronyms and abbreviations related to Army:

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

• BAOR — British Army of the Rhine
• AIAA — American Institute of Aeronautics and Astronautics, Inc.
• CY — Calendar Year
• CEO — Chief Executive Officer
• XO — Executive Officer
• MUX — Multiplexer
• RF — Radio Frequency
• LOI — Letter Of Intent
• CCB — Change Control Board
• AC — Alternating Current
• LCD — Liquid Crystal Display
• ATM — Asynchronous Transfer Mode
• MOA — Memorandum Of Agreement
• FET — Field Effect Transistor
• TQM — Total Quality Management
• OECD — Organization for Economic Cooperation and Development
• WBS — Work Breakdown Structure
• MOU — Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
• BTU — British Thermal Unit
• WWW — World Wide Web
• CAP — Civil Air Patrol
• ASCII — American National Standard Code for Information Interchange
• MTBF — Mean Time Before Failure
• R&D — Research & Development
• SME — Subject Matter Expert
• CCB — Configuration Control Board
• MM — Million
• NSN — National Stock Number
• EEO — Equal Employment Opportunity
• UFO — Unidentified Flying Object
• DEC — Digital Equipment Corporation
• DOA — dead on arrival
• UCMJ — Uniform Code of Military Justice
• CMOS — Complementary Metal-Oxide Semiconductor
• BLUF — Bottom Line Up Front
• PDA — Personal Digital Assistant
• ADP — Automated Data Processing
• O&M — Operation and Maintenance
• USDA — United States Department of Agriculture
• ASME — American Society of Mechanical Engineers
• ADM — Advanced Development Model
• KEK — Key Encryption Key (COMSEC Key)
• SAR — Search And Rescue
• CBO — Congressional Budget Office
• ESA — European Space Agency
• CLIN — Contract Line Item Number
• AWOL — Absent Without Leave
• APB — All Points Bulletin
• IPB — Intelligence Preparation of the Battlefield
• EXCOM — Executive Committee

• VPN — Virtual Private Network (ATM)
• OTC — Over The Counter (medications not requiring a prescription)
• AAR — After Action Review
• ATA — Area Transportation Authority
• DAC — Discretionary Access Control
• CDRL — Contract Data Requirements List
• EO — Executive Order
• OT — Overtime
• ADC — Air Data Computer
• QRF — Quick Reaction Force. On standby to react to any situation.
• MIS — Management Information System (OSHA)
• BVR — Beyond Visual Range
• ARPA — Advanced Research Projects Agency (made early internet)
• ALO — Air Liaison Officer
• 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.
• RFI — Request For Information. Sales department shorthand. Special priority when use in conjunction with RFN (see below).
• FBI — Federal Bureau of Investigation
• FISA — Foreign Intelligence Surveillance Act
• CRT — Cathode Ray Tube (type of TV)
• CAE — Computer-Aided Engineering
• CIO — Chief Information Officer
• OJT — On the Job Training
• EDM — Engineering Development Model
• CTRL — Control
• DOD — United States Department of Defense
• TBD — To Be Determined
• SOPS — Standard Operating Procedures
• AGL — Above Ground Level
• EOD — Explosive Ordnance Disposal
• RAM — random-access memory
• FAA — Federal Aviation Administration
• NFS — Network File System
• FAR — Federal Acquisition Regulation
• SYS — System
• NSF — National Sanitation Foundation
• EEOC — Equal Employment Opportunity Commission
• DSS — Decision Support System
• BITE — Built In Test Equipment/Battle Management Interoperability T&E Training Exercises
• JMEM — Joint Munitions Effectiveness Manual
• AM — Amplitude Modulation
• DES — Data Encryption Standard
• ACU — Army Combat Uniform
• SOW — Statement Of Work
• DPKO — Department of Peacekeeping Operations
• CRS — Congressional Research Service
• SCIF — Sensitive Compartmented Information Facility
• CIS — Commonwealth of Independent States
• FIPS — Federal Information Processing Standard
• EEC — European Economic Community (predecessor of the European Union|EU)
• MX — Mexico

• NSC — National Security Council
• AIS — Automated Information System
• CEP — Circular Error Probable
• COG — Continuity Of Government
• DARPA — Defense Advanced Research Projects Agency (US)
• SES — Senior Executive Service
• CAD — Computer Aided Designer
• MTTR — Mean Time To Repair
• DRAM — Dynamic Random Access Memory (dee-ram) (computing)
• BIT — Binary Digit (either 0 Or 1)
• SLIP — Serial Line Interface Protocol
• LNG — Liquefied Natural Gas
• POTUS — President Of The United States. Acronym used by Whitehouse staff. See also FLOFTUS.
• CTR — Center
• MMIC — Monolithic Microwave Integrated Circuit
• DEPT — Department
• BPA — Blanket Purchase Agreement
• NATO — North Atlantic Treaty Organisation
• APU — Auxiliary Power Unit
• WAN — Wide Area Network
• AOA — Angle Of Arrival
• SDD — Software Design Document
• QA — Center for Quality Assurance in International Education
• MSC — Military Sealift Command
• AGC — Automatic Gain Control
• SAG — Surface Action Group
• POP — Point Of Presence (Internet)
• POM — Program Objective Memorandum
• OCR — Optical Character Recognition
• APT — Automatic Picture Transmission
• METL — Mission Essential Task List (mettle)
• CDT — Central Daylight Time
• QOL — Quality of Life
• CONUS — Continental United States (48 Contiguous States and DC)
• ATC — Air traffic control
• SQ — Square
• STD — Standard
• IRS — U.S. Internal Revenue Service
• ALT — Alternate
• DFD — Data Flow Diagram
• DOJ — Department of Justice (US)
• URD — User Requirements Document
• ELV — Expendable Launch Vehicle
• TASO — Terminal Area Security Officer
• ACL — Access Control List
• UAV — Unmanned Aerial Vehicle
• PM — Program Manager
• AWE — Advanced Warfighting Experiment
• PRI — Primary Rate Interface (ISDN)
• AFCS — Automatic Flight Control System

• CST — Central Standard Time (UTC-6 Hours)
• USAF — United States Air Force
• CAM — computer aided manufacturing
• PM — Preventive Maintenance
• EPIRB — Emergency Position-Indicating Radio Beacon
• RWR — Radar Warning Receiver
• LAB — Laboratory
• ECO — Engineering Change Order
• SIC — Subject Indicator Code
• TDY — temporary duty (non-unit-related personnel)
• BPS — bits per second
• PC — Personal computer (host)
• MSL — Mean Sea Level
• MT — Metric Ton
• DNS — Domain Name Service
• PMR — Program Management Review
• AD — Air Defense
• ACCP — Army Correspondence Course Program
• MARV — Maneuverable Reentry Vehicle
• COMSEC — Communications Security (military)
• CO — Company
• MIL — Military
• DSA — Digital Signature Algorithm
• ADPE — Automatic Data Processing Equipment
• DMSP — Defense Meteorological Satellite Program (U.S.)
• ADM — Acquisition Decision Memorandum
• NIST — National Institute of Standards and Technology
• DC — Direct Current
• VHF — Very High Frequency
• BOM — Bill of Material
• POC — Proof Of Concept
• OIC — Office in Charge
• LED — law enforcement desk; light emitting diode
• RPG — Report Program Generator
• PERT — Program Evaluation and Review Technique
• LOS — Line Of Sight
• EMP — Electromagnetic Pulse
• WAC — World Aeronautical Chart
• NLT — No Later Than
• STS — Space Transportation System
• BPR — Business Process Re-engineering
• WFOV — Wide Field Of View
• ATA — Actual Time of Arrival
• COTR — Contracting Officer Technical Representative
• AWGN — Additive White Gaussian Noise
• SNAFU — Situation Normal All Fouled Up
• SQL — Structured Query Language
• DME — Distance Measuring Equipment
• DBA — Data Base Administrator
• LEO — Low Earth Orbit (satellite communications)

• APP — Application
• DTE — Data Terminal Equipment
• CAVU — Ceiling And Visibility Unlimited
• AF — Air Force
• ABR — Available Bit Rate
• AC — annual closing
• AT&T — American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
• ASR — Airport Surveillance Radar
• CFE — Contractor-Furnished Equipment
• COS — Chief of Staff
• FCC — Federal Communications Commission (US)
• RM — Resource Management
• RAC — Resident Agent in Charge
• EW — Electronic Warfare
• OPM — Office of Personnel Management
• ALT — Altitude
• NAS — United States National Academy of Sciences
• AWL — Absent Without Leave
• IRR — Individual Ready Reserve
• STR — Software Test Report
• TCP — Transmission Control Protocol
• DOL — United States Department of Labor
• CNN — Cable News Network's
• MP — Military Police
• SUPT — Superintendent
• KISS — Keep It Simple Stupid
• OP — Operator
• BRI — Basic Rate Interface
• STC — Sensitivity Time Control
• NM — Nautical Mile
• DOS — Disk Operating System
• MBO — Management by Objective
• EM — Electromagnetic
• SIR — Shuttle Imaging Radar
• NTIS — National Technical Information Service Technology Administration
• AVHRR — Advanced Very High Resolution Radiometer  
• ATS — applications technology satellite
• VR — Virtual Reality
• CRL — Certificate Revocation List
• NZ — New Zealand
• EAM — Emergency Action Message
• TCP/IP — transmission control protocol/internet protocol
• MGR — Manager
• TF — Task Force
• COMM — Communication
• CIA — Central Intelligence Agency
• PM — Project Manager
• MSC — Major Subordinate Command
• PST — Pacific Standard Time (UTC-8 Hours)
• DLA — U.S. Defense Logistics Agency

• TV — Television
• UHF — Ultra High Frequency (300-3000 MHz; 1m-10cm)
• ADF — Australian Defence Force
• APB — Acquisition Program Baseline
• DO — Delivery Order
• TCB — Trusted Computing Base
• CE — Civil Engineer
• OCR — Optical Character Reader
• NOAA — National Oceanic and Atmospheric Administration (US)
• AFATDS — Advanced Field Artillery Tactical Data System
• KBS — Knowledge-Based System
• CM — Configuration Management
• MHS — Message Handling System (electronic)
• EMT — Extraordinary Masochistic Tendencies (joke At Expense Of Emergency Medical Technicians)
• COR — contracting officer representative
• FDDI — Fiber Distributed Data Interface
• AFC — Automatic Frequency Control
• BW — Bandwidth
• EDW — Enterprise Data Warehouse
• FDMA — Frequency Division Multiple Access
• USA — United States Army
• E-MAIL — Electronic Mail
• CAD — Computer-Assisted Design
• N — North
• SA — Situation(al) Awareness
• VA — Veterans Administration
• LAT — Latitude
• NCR — National Capital Region (Metro Manila)
• RISC — Reduced Instruction Set Computer
• AIT — Advanced Individual Training
• AE — Application Entity
• SEC — Second
• NSA — National Security Agency
• FFP — Firm Fixed Priced
• PBX — Private Branch eXchange (company phone system)
• ATO — Air Tasking Order
• APHIS — U.S. Department of Agriculture's Animal and Plant Health Inspection Service
• DBMS — Data Base Management System
• PAR — Precision Approach Radar
• ATF — Advanced Tactical Fighter
• STP — Software Test Plan
• RFI — Radio Frequency Interference
• PSTN — Public Switched Telephone Network
• EFTA — European Free Trade Association (Geneva)
• STIG — Security Technical Implementation Guide
• LF — Low Frequency
• SSL — Secure Socket Layer
• CW — Continuous Wave
• BER — Bit-Error Rate
• EDP — Electronic Data Processing Plc (London Stock Exchange [LSE])

• ECP — Engineering Change Proposals
• K — Kilo-
• MSA — Minimum Safe Altitude
• AFM — Air Force Manual
• DSU — Data Service Unit
• SNMP — Simple Network Management Protocol (ATM)
• MAC — Message Authentication Code
• BER — Beyond Economical Repair
• BWC — Biological Weapons Convention
• AMU — Astronaut Maneuvering Unit
• UNHCR — United Nations High Commissioner for Refugees Program
• DPS — Department of Public Safety
• AT — Annual Training
• AVIM — Aviation Intermediate Maintenance
• CCTV — Closed Circuit Television
• 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.")
• AMC — United States Army Materiel Command
• CA — Civil Affairs
• OS — Operating System
• MF — Medium Frequency
• MAD — Magnetic Anomaly Detector/Detection
• PPP — Point-to-Point Protocol
• NAS — Naval Air Station
• AFSCN — Air Force Satellite Control Network
• DMA — direct memory access (computer term)
• VDT — Video Display Terminal
• PDU — Protocol data unit (such as segment, packet, frame, etc.)
• EGA — Enhanced Graphics Adapter
• USPS — United States Postal Services
• BI — Background Investigation
• NRC — National Research Council (Canada)
• USC — United States Code (book of laws)
• COTS — Commercial Off the Shelf Software
• LPF — Low Pass Filter
• LPI — Lines Per Inch
• NIS — Network Information System
• ETD — Estimated Time of Departure
• IPT — Integrated Product Team
• USGS — United States Geological Survey (DOI)
• ELINT — Electronic Intelligence Satellite
• CDL — Common Data Link
• RFS — Request For Service
• IR — Infrared
• ELF — Extremely Low Frequency
• BDA — Bomb Damage Assessment
• BAE — British Aerospace Systems, LTD
• CDMA — Code Division Multiple Access (voice/data transmission)
• NBS — National Bureau of Standards (US)
• RCC — Rescue Coordination Center
• BCD — Bad Conduct Discharge

• C4 — Command, Control, Communications, and Computers
• DS — Direct Support
• JPL — Jet Propulsion Laboratory (California Institute of Technology) (NASA)
• CDU — Control Display Unit
• UIC — Unit Identification Code
• OSPF — Open Shortest Path First (ATM)
• POS — Position
• COMMS — Communications
• RIP — Routing Information Protocol
• COS — Cosine
• DSA — Directory System Agent
• USMTF — United States Message Text Format
• CACM — Central American Common Market
• ECOWAS — Economic Community of West African States
• COMSAT — Communications Satellite Corporation
• ERP — Effective Radiated Power
• BOHICA — Bend Over, Here It Comes Again
• EMC — Electromagnetic Compatibility
• COBOL — Common Business-Oriented Language
• PVC — Permanent Virtual Circuit (ATM)
• IRS — Interface Requirements Specification
• SW — Switch
• MAINT — Maintenance
• NC — No Change
• SALT — Strategic Arms Limitation Talks
• LANL — Los Alamos National Laboratory
• JSC — Johnson Space Center (Houston, TX)
• DCAA — (U.S.) Defense Contract Audit Agency
• FA — Field Artillery
• DAMA — Demand Assigned Multiple Access
• MODEM — Modulator-Demodulator
• CAT — Category (e.g. CAT-5 cable)
• NEPA — National Energy Policy Act of 1992
• FCS — Flight Control System (Subsystem)
• MEPS — Military Entrance Processing Station
• DTED — Digital Terrain Elevation Data (dee-ted)
• CENTO — Central Treaty Organization (Baghdad Pact)
• DASD — Direct Access Storage Device
• JEC — Joint Economic Committee
• NESDIS — National Environmental Satellite, Data, and Information Service
• AFWAL — Air Force Wright Aeronautical Laboratory
• CG — Coast Guard
• MOE — Measure Of Effectiveness
• DNC — Digital Nautical Chart
• PIN — Personal Identification Number
• SF — Special Forces
• IW — Information Warfare
• AAE — Army Acquisition Executive
• CQ — Charge of Quarters
• CBD — Commerce Business Daily (Changed To FBO)

• ATR — Automatic Target Recognition
• PROG — Program
• ATD — Actual Time of Departure
• AACB — Aeronautics & Astronautics Coordinating Board
• SECT — Section
• CSS — Central Security Service
• CW — Chemical Warfare
• TD — Technical Directive
• AA — Australian Army
• DAC — Development Assistance Committee
• AB — Air Base
• MBPS — Megabytes Per Second
• VOL — Volume
• WFC — World Food Council
• CSS — Combat Service Support
• ORG — Organization
• QBE — Query By Example
• MAC — Military Airlift Command
• MASH — Mobile Army Surgical Hospital
• PRF — Pulse Repetition Frequency
• MVS — Multiple Virtual Storage
• STP — Space Test Program
• TM — Technical Manual
• SA — Security Assistance
• SBU — Sensitive But Unclassified
• SL — Sea Level
• PMIS — Personnel Management Information System
• NACA — National Advisory Committee for Aeronautics
• AFLC — Air Force Logistics Command's
• RNP — Required Navigation Performance
• SEI — Specific Emitter Identification
• VOIP — Voice Over IP (Internet Protocol)
• COBE — Cosmic Background Explorer Satellite (NASA)
• CG — Center of Gravity (DXS)
• SIG — Signal
• FDC — Fire Direction Center
• AC — Active Component
• DMZ — Demilitarized Zone
• CD — Civil Defense
• CTE — Coefficient of Thermal Expansion
• PLL — Prescribed Load List
• EPROM — Erasable Programmable Read-Only Memory
• CPX — Command Post Exercise
• ACR — Armored Cavalry Regiment
• DIB — Directory Information Base
• CWO — Chief Warrant Officer
• POV — Privately Owned Vehicle
• BGP — Border Gateway Protocol (routing protocol)
• ANG — Air National Guard
• LIDAR — Lander Light Detection and Ranging

• FC — Fuel Cell
• ASE — Aircraft Survivability Equipment
• NDA — Nondisclosure Agreement
• UPS — Uninterruptible Power Supply
• TBO — Time Between Overhaul
• POTS — Plain Old Telephone System
• OIF — Operation Iraqi Freedom
• SWE — Sweden
• PW — Prisoner of War
• MAC — Mandatory Access Control
• CAB — Combat Aviation Brigade
• EO — Equal Opportunity
• FDX — Full Duplex
• NCS — National Communications System
• EBS — Emergency Broadcast System
• UPS — Uninterruptible Power System
• CSTC — Consolidated Space Test Center
• TG — Task Group
• ACA — Airspace Control Authority
• DX — Direct Exchange (of Damaged Equipment)
• LEP — Linear Error Probable
• PL — Public Law
• DRS — Data Relay Satellite
• VLF — Very Low Frequency
• BIT — Built-In Test
• NIC — Network Information Center
• MIB — Management Information Base (ATM)
• AU — Audio Unit
• DAR — Defense Acquisition Regulation
• MTBCF — Mean Time Between Critical Failures
• CEC — Cooperative Engagement Capability
• CAB — Cabinet
• VLS — Vertical Launch System
• CCAFS — Cape Canaveral Air Force Station, an air force base in Florida where NASA launches satellites from.
• MIL STD — Military Standard
• ET — Embedded Training
• BAMF — Bad Ass Mother Fucker
• CW — Carrier Wave
• PCMCIA — Personal Computer Memory Card International Association
• DSN — Deep Space Network - network of large antennas and communication facilities.
• LST — Local Standard Time
• CPO — Chief Petty Officer
• NOC — Network Operations Center
• AMR — Atlantic Missile Range
• TEMP — Test and Evaluation Master Plan
• NAC — National Agency Check
• TMDE — Test Measurement and Diagnostic Equipment
• SCN — Specification Change Notice
• CIF — Central Issue Facility
• WG — Working Group

• PMCS — Preventive Maintenance Checks and Services
• FAX — Facsimile
• DS — Direct Sequence
• OA — Office Automation
• EST — Estimated Starting Time
• AFB — Air Force Base (USAF)
• CRT — Crisis Response Team
• LDR — Low Data Rate
• EOS — Earth Observation Satellite
• DPG — Defense Planning Guidance
• CDS — Combat Direction System
• NRL — Naval Research Laboratory
• CFLCC — Combined Force Land Component Command
• AMHS — Automated Message Handling System
• TAC — Terminal Access Controller
• FIG — Figure
• VERT — Vertical
• MI — Military Intelligence
• BW — Biological Warfare
• AI — Air Interdiction
• LEA — Law Enforcement Agency
• RADAR — RAdio Detection And Ranging
• AFGL — Air Force Geophysics Laboratory
• CS — Combat Support
• ASP — Ammunition Supply Point
• SCF — Satellite Control Facility
• PAR — Perimeter Acquisition Radar
• WS — Workstation
• AOD — Administrative Officer of the Day
• UNAMIR — United Nations Assistance Mission for Rwanda
• SF — Standard Form
• LRIP — Low-Rate Initial Production
• CAPT — Captain
• ASEAN — Association of Southeast Asian Nations
• VBR — Variable Bit Rate (ATM)
• CALS — Computer-Aided Acquisition and Logistics Support (CAALS)
• VHS — Video Home System
• AFSCF — Air Force Satellite Control Facility
• EW — Early Warning
• PAT — Process Action Team
• AEW — Airborne Early Warning
• ADCCP — Advanced Data Communications Control Procedures
• NIS — Network Information Service
• MINURSO — United Nations Mission for the Referendum in Western Sahara
• NCIC — National Crime Information Center
• OAS — Organization of American States
• TNI — Trusted Network Interpretation
• ABMA — Army Ballistic Missile Agency
• RCV — Receive
• PMP — Program Management Plan

• LPC — Linear Predictive Coding
• MDR — Medium Data Rate
• NASP — National Aerospace Plane
• OMV — Orbital Maneuvering Vehicle
• UA — User Agent
• ESMC — Eastern Space And Missile Center (formerly AFETR)
• TAV — Total Asset Visibility
• CMP — Configuration Management Plan
• JVM — Java Virtual Machine
• ASN — Abstract Syntax Notation
• EC — European Community
• DOS — United States Department of State
• D — Delta
• MECO — Main Engine Cutoff
• FCS — Fire Control System
• MEO — Medium-Earth Orbit
• MOS — Marine Observation Satellite
• RAD — Radiation Absorbed Dose
• LZ — Landing Zone
• RAAF — Royal Australian Air Force
• SB — Service Bulletin
• A/D — Analog/Digital
• PPI — Plan Position Indicator
• CIS — Combat Intelligence System
• PCM — Pulse-Code Modulation
• OCS — Officer Candidate School
• DNA — Defense Nuclear Agency
• SOC — Special Operations Command
• DREN — Defense Research and Engineering Network
• TCSEC — Trusted Computer System Evaluation Criteria
• WPM — speech--words per minute
• CGM — Computer Graphics Metafile
• AFSTC — Air Force Space Technology Center
• TED — Trunk Encryption Device
• USCG — United States Coast Guard
• NORAD — North American Air Defense (Command)
• MCW — Modulated Continuous Wave
• DDCMP — Digital Data Communications Message Protocol
• MDA — Minimum Descent Altitude
• SBCT — Stryker Brigade Combat Team
• AUTOVON — Automatic Voice Network
• EIRP — Effective Isotropic Radiated Power
• PME — Professional Military Education
• SEMP — Systems Engineering Management Plan
• AFS — Air Force Station
• SVD — Software Version Description
• ERTS — Earth Resources Technology Satellite (now Landsat)
• ESS — Electronic Switching System
• LT — Light
• AR — Army Regulation

• DIA — Defense Intelligence Agency (USA)
• SHF — Super High Frequency
• MDT — Mean Down Time
• VM — Virtual Memory
• TWT — Traveling Wave Tube
• TO — Technical Order
• BERT — Bit Error Rate Tester (telecommunication)
• JT — Joint
• ADA — Air Defense Artillery
• RCS — Radar Cross Section
• OSTP — Office of Science and Technology Policy
• RC — Reserve Component
• TOC — Tactical Operations Center. Usually pronounced ‘tock.’ Where command elements are primarily located.
• RCC — Regional Control Center
• FC — Fire Control
• TACS — Theater Air Control System
• NMS — Network Management System
• FID — Foreign Internal Defense
• DDS — Defense Dissemination System
• EIB — European Investment Bank
• DCS — Deputy Chief of Staff
• NOR — Norway
• RGB — red-green-blue (signal)
• DCA — Defensive Counter Air
• E&I — Engineering & Installation
• JOPES — Joint Operation Planning and Execution System
• SDLC — Software development life cycle
• ATC — Air Training Command
• EHF — Extremely High Frequency
• EA — Executive Agent
• ATA — Advanced Tactical Aircraft
• MIA — Missing In Action
• ROC — Required Operational Capability
• MPEG — Motion Picture Experts Group
• LAGEOS — Laser Geodynamic Satellite
• BCE — Battlefield Coordination Element
• QPSK — aeronautical quadrature phase shift keying
• AKM — Apogee Kick Motor
• REDCOM — Readiness Command
• IP — Initial Point
• DEA — Drug Enforcement Administration (U.S. Department of Justice)
• RAM — Rolling Airframe Missile
• DAD — Dual Air Density
• PFPS — Portable Flight Planning Software
• ECM — Electronic Counter Measures
• DDN — U.S. Defense Data Network
• OC — Optical Carrier
• TMD — Theater Missile Defense
• SDLC — Synchronous Data Link Control
• ACDA — Arms Control and Disarmament Agency's

• TOR — terms of reference (ICAO/FAA)
• PDL — program design language
• NSW — New South Wales
• OCD — Operational Concept Description
• AFOTEC — Air Force Operational Test and Evaluation Center's
• MSS — Multispectral Scanner System
• DSU — Direct Support Unit
• DOMSAT — Domestic Satellite
• F — Degrees Fahrenheit
• LF — Launch Facility
• ELT — Emergency Locator Transmitter
• D — Director
• UPI — United Press International
• KDC — Kerberos Key Distribution Center
• DSCS — U.S. Defense Satellite Communications System
• AAH — Advanced Attack Helicopter
• SW — Software (SFTWE Preferred)
• EUVE — Extreme Ultraviolet Explorer (NASA Satellite)
• TDMA — Time Division Multiple Access
• MLV — Medium Launch Vehicle
• DID — data item description
• EMS — Element Management System (ATM)
• PFD — Power Flux Density
• MMS — Multimission Modular Spacecraft
• MCE — Modular Control Equipment
• CRRES — Combined Release and Radiation Effects Satellite
• SDS — Satellite Data System
• DG — Defense Guidance
• CNR — Combat Net Radio
• AFOSI — Air Force Office of Special Investigations
• TAD — Theater Air Defense
• NEACP — National Emergency Airborne Command Post
• BIU — Bus Interface Unit
• KSC — John F. Kennedy Space Center
• CTC — Combat Training Center
• MCC — Mission Control Center (JSC)
• MOOTW — Military Operations Other Than War (moot-double-you)
• ODBC — Open Database Connectivity
• BAA — Broad Agency Announcement
• AFSC — United States Air Force specialty code
• OTA — Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
• LFC — Large Format Camera
• ASARS — Advanced Synthetic Aperture Radar System
• NSW — Naval Special Warfare
• OPSEC — Operational Security
• NCSC — National Computer Security Center (NSA)
• IPR — Impulse Response
• CBR — Case-Based Reasoning
• DOC — United States Department of Commerce
• ABE — ARM-Based Electronics

• ESM — Electronic Support Measures
• ACS — Aerial Common Sensor
• FAA — Federal Aviation Agency
• PROM — Programmable Read-Only Memory
• SRS — Software Requirements Specifications
• DII — Defense Information Infrastructure
• DIAC — Defense Intelligence Analysis Center
• USG — United States Government
• SI — Special Intelligence
• ARL — Army Research Laboratory
• LCC — Launch Control Center (KSC)
• JRTC — Joint Readiness Training Center
• SAC — Strategic Air Command
• AWS — Air Weather Service
• ATF — Amphibious Task Force
• CIDR — Classless Inter-Domain Routing (ATM)
• EMCON — Electromagnetic Emission Control
• CDB — Central Data Base
• TLE — Target Location Error
• ERS — Earth Resources Satellite
• LLNL — The Department of Energy's Lawrence Livermore National Laboratory in Livermore, California
• MFD — Multi-Function Display
• CDC — Career Development Course
• DSN — Defense Switched Network
• TOA — Time Of Arrival
• AWACS — Airborne Warning And Control System
• FDU — Force Design Update
• ASB — Army Science Board
• AIRS — Advanced Inertial Reference Sphere
• SAR — synthetic aperture radar (satellite)
• VOR — VHF Omnidirectional Range
• NOR — Notice Of Revision
• CBR — Constant Bit Rate
• DSP — Defense Standardization Program
• CSOC — Consolidated Space Operations Center
• SDHS — Satellite Data Handling System
• VAR — Variable
• VSAT — Very Small Aperture Terminal (satellite service)
• MOD — Ministry Of Defence (United Kingdom) And Various Other Countries
• TDM — Time Division Multiplexer
• AR — Army Reserve
• SAW — Squad Automatic Weapon
• CFE — Center For Engineering
• SBIR — Small Business Innovation Research
• SLAR — Side-Looking Airborne Radar
• TTY — Teletype Telex Machine
• COB — Command Operating Budget
• VMS — Virtual Memory System
• AOA — Angle Of Attack
• CPS — characters per second

• NT — Northern Territory
• MILS — Missile Impact Location System
• TI — Tactical Internet
• PMR — Pacific Missile Range
• JIPTL — Joint Integrated Prioritized Target List
• ASOC — Air Support Operations Center
• S — Secret
• DTM — Data Transfer Module
• TCF — Technical Control Facility
• APL — Applied Physics Laboratory (at Johns Hopkins)
• BMO — Ballistic Missile Office
• AFRL — Air Force Research Laboratory
• NLP — Natural Language Processing
• RLA — Repair-Level Analysis
• B&W — Babcock & Wilcox - Black And White - Bowers & Wilkins
• ERD — Entity-Relationship Diagram
• DMSS — Defense Meteorological Satellite System
• DIDS — Defense Integrated Data System
• AP — Associated Press
• SUM — Software User's Manual
• SMB — Suck My Balls
• IUS — Inertial UPper Stage (was Interim UPper Stage)
• FEP — Front End Processor
• PHS — Public Health Service (U.S.)
• ADL — Ada Design Language
• FAS — Frequency Assignment Subcommittee
• UAE — United Arab Emirates
• RADIUS — Remote Authentication Dial-In User Service
• LSA — Logistics Support Analysis
• VT — Virtual Terminal
• ACU — Antenna Control Unit
• USAID — United States Agency for International Development
• BCT — Basic Combat Training (familiarly Basic Training Or Basic)
• NSIA — National Security Industrial Association (now part of NDIA)
• ANMCC — Alternate National Military Command Center
• NTZ — No Transgression Zone
• DAB — Defense Acquisition Board
• ODA — Open Document Architecture
• SLV — Space Launch Vehicle
• AD — airworthiness directives (FAA)
• EMT — Emergency Medical Treatment
• DCE — Data Communication Equipment
• NMS — National Military Strategy
• NES — Network Encryption System
• ASSIST — Automated Special Security Information System Terminal
• SPR — Strategic Petroleum Reserve (US)
• NCA — National Command Authority
• FEBA — Forward Edge of Battle Area
• ADIZ — Air Defense Identification Zone
• JTF — Joint Task Force

• SST — States Supersonic Transport
• AXAF — Advanced X-Ray Astrophysics Facility
• AFSOC — Air Force Special Operations Command
• AFOSR — Air Force Office Of Scientific Research(USA)
• MARS — Military Affiliate Radio System
• RIO — Radar Intercept Officer (US Navy)
• BDR — Battle Damage Repair
• RUP — Rational Unified Process
• LNA — Low-Noise Amplifier
• DMS — Data Management System
• JP — Joint Publication
• SIMM — Single Inline Memory Module
• SID — Secondary Imagery Dissemination
• AFAITC — Armed Forces Air Intelligence Training Center
• CFSR — Contract Funds Status Report/ing
• UNDP — United Nations Development Program
• NGL — Natural Gas Liquid (usually Ethane Or Propane)
• AFMPC — Air Force Military Personnel Center
• BPI — bits per inch
• ARDC — Air Research and Development Command
• NCIS — Naval Criminal Investigative Service (US)
• SONET — Synchronous Optical Network
• PMO — Program Management Office (US)
• ETL — Endorsed Tools List
• MLRS — Multiple Launch Rocket System (US)
• TSC — Training Support Center
• CWGC — Commonwealth War Graves Commission
• NARA — United States National Archives And Records Administration
• MT — Machine Translation
• BSB — Base Support Battalion
• VF — Voice Frequency
• ANR — Active Noise Reduction
• TRE — Tactical Receive Equipment
• SDR — System Design Review
• NIU — Network Interface Unit
• SSCI — Senate Select Committee on Intelligence
• MMU — Manned Maneuvering Unit
• AFTI — Advanced Fighter Technology Integration
• TOVS — TIROS Operational Vertical Sounder
• SSB — Single SideBand
• MDT — Message Distribution Terminal
• PW — Pulse Width
• MIJI — Meaconing, Intrusion, Jamming and Interference
• SCC — Space Control Center
• EMI — Electro-Magnetic Interference
• SCI — Sensitive Compartmented Information
• MCS — Master Control Station (VIS, Grumman)
• COMMO — Communications Officer
• LOX — Liquid Oxygen
• ECU — Environmental Control Unit (GSM)

• MAG — Magnetic
• KMP — Key Management Protocol
• TOE — Table of Organization and Equipment
• JDAM — Joint Direct Attack Munition (djay-dam)
• RPV — Remotely Piloted Vehicle
• BES — Budget Estimate Submission
• AFARN — Air Force Air Request Net
• DISA — U.S. Defense Information Systems Agency
• UA — Unit of Action
• NEC — Navy Enlisted Classification
• DRU — Direct Reporting Unit
• IPX — Internet Packet Exchange
• CAP — Combat Air Patrol
• EPS — Encapsulated Postscript
• ANDVT — Advanced Narrowband Digital Voice Terminal
• DAE — Defense Acquisition Executive
• OT&E — Operational Test and Evaluation
• DUA — Directory User Agent
• TPN — Tactical Packet Network
• LAS — Land Analysis System
• BFT — Blue Force Tracking
• TO — Task Order
• BH — Busy Hour
• FH — Frequency Hopping
• DART — Disaster Assistance Response Team
• ASI — Air Speed Indicator
• DRSN — Defense Red Switch Network
• ES — Electronic Support
• SNA — System Network Architecture
• MTT — Mobile Training Team
• JWICS — Joint Worldwide Intelligence Communications System
• NN — Neural Network
• TBA — To Be Announcede
• JOC — joint operations center; joint oversight committee
• MAA — Mission Area Analysis
• DIR — Direction Interdépartementale des Routes
• NMCC — National Military Command Center
• MDT — Mobile Data Terminal
• ORI — Operational Readiness Inspection
• AIMD — Aircraft Intermediate Maintenance Department
• RI — Routing Indicator
• IPS — Integrated Program Summary
• ACE — Access Control Encryption
• CG — Commanding General
• PMS — Project Management System
• PDS — Post Design Services
• DC — District Commissioner
• DSI — Defense Simulation Internet
• AMST — Advanced Medium STOL Transport
• AFSC — Air Force Systems Command

• UTM — Universal Transverse Mercator (geographical Co-ordinate System)
• SMDS — Switched Multimegabit Data Service (ATM)
• AFCSC — Air Force Cryptologic Support Center
• ARTEP — Army Training and Evaluation Program
• CGS — Common Ground Station
• DISN — Defense Information Systems Network
• BMEWS — Ballistic Missile Early Warning System (bee-mews)
• AWADS — Adverse Weather Aerial Delivery System
• EUV — Extreme Ultraviolet Vertical
• OOP — Of an Object Oriented Programming
• AUTODIN — Automatic Digital Network
• NIS — National Input Segment
• RT — Real Time (R/T Preferred)
• FAADS — Forward Area Air Defense System
• AFR — Air Force Regulation
• CNO — Chief of Naval Operations
• TCC — Telecommunications Center
• UNGA — United Nations General Assembly
• MPP — Massively Parallel Processing/Processor
• TEK — Traffic Encryption Key
• REMIS — Reliability & Maintainability Information System
• VCR — video cassette recorder/player
• CMW — Compartmented Mode Workstation
• PTR — Paper Tape Reader
• SSTO — Single-Stage-to-Orbit
• PDM — Program Decision Memorandum
• SPM — Software Programmer's Manual
• EMD — Engineering and Manufacturing Development
• TSO — Telecommunications Service Order
• EA — Electronic Attack
• TACC — Tactical Air Control Center (USN, UK)
• MMW — Millimeter Wave
• CAS — Calibrated Air Speed
• AZ — Azimuth
• ASAR — Advanced Synthetic Aperture Radar 
• NSA — Naval Support Activity
• MIC — Monolithic Integrated Circuit
• USN — United States Navy
• OEF — Operation Enduring Freedom
• CBJB — Congressional Budget Justification Book
• SPS — Software Product Specification
• ADDS — Army Data Distribution System
• PDM — Pulse Duration Modulation
• MILSTAR — MILitary Strategic and Tactical Relay (US)
• VHSIC — Very High-Speed Integrated Circuit
• ISO — Information Systems Office
• FEA — Front End Analysis
• SMLM — Soviet Military Liaison Mission
• Z — Zulu (Greenwich mean time)
• WO — Washington Office

• OPF — Orbiter Processing Facility
• CNWDI — Critical Nuclear Weapons Design Information
• NRT — near real time
• JA — Judge Advocate
• OP — Operator Panel
• JDISS — Joint Deployable Intelligence Support System
• SLEP — Service Life Extension Program
• CTBT — Comprehensive Test Ban Treaty
• SVC — Switched Virtual Circuit (ATM)
• CTS — communications technology satellite
• SORTS — Status of Resources and Training System
• NII — National Information Infrastructure (USA)
• BMDO — (U.S.) Ballistic Missile Defense Organization (bim-do)
• MAAP — Master Air Attack Plan
• EIA — Electronics Industry Association (Adelaide, South Australia, Australia)
• SDI — Strategic Defense Initiative
• ACM — Advanced Cruise Missile
• APC — armored personnel carrier
• OSS — Operations Support System
• EPLRS — Enhanced Position Location Reporting System
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• ASD — Assistant Secretary of Defense
• MBT — Main Battle Tank
• KP — Key Processor
• MASDC — Military Aircraft Storage & Disposition Center
• NM — Network Management
• BEF — British Expeditionary Force
• PRG — Program Review Group
• ATP — Advanced Technology Program
• MTS — Movement Tracking System
• LMR — Land Mobile Radio
• PPS — Post-Production Support
• LMI — Layer Management Interface
• RSO — Range Safety Officer
• DTU — Data Transfer Unit
• ANLYS — Analysis
• APPS — Applications (software)
• BIM — Ballistic Intercept Missile
• QDR — Quadrennial Defense Review
• QPQ — Quid Pro Quo
• PAM — Payload Assist Module
• TRB — Technical Review Board (MRR)
• OSDPE — Office of the Secretary of Defense Program Element
• CP — command post
• SOF — Special Operations Force(s)
• TAIS — Tactical Airspace Integration System
• SEMA — Special Electronic Mission Aircraft
• COE — Common Operating Environment
• BAQ — Basic Allowance for Quarters
• MTMC — Military Traffic Management Command

• NPR — National Performance Review (office)
• PBD — Program Budget Decision
• EST — Estimated Ship Time
• CARDE — Canadian Armament Research and Development Establishment
• NSO — Network Security Officer
• DRC — Data Reduction Center
• EC — Electronic Combat
• VAX — Virtual Address Extension
• CAMS — Core Automated Maintenance System
• MNS — Mission Needs Statement
• ASVAB — armed services vocational aptitude battery
• VDU — Video Display Unit
• AFAMPE — Air Force Automated Message Processing Exchange
• STX — Situational Training Exercise
• CIC — Combat Information Center
• CIHS — Classified Information Handling System
• COMECON — Council For Mutual Economic Assistance (economic Counterpart Of The Warsaw Pact
• EKMS — Electronic Key Management System
• MTL — Material
• SCPC — single channel per carrier
• MSS — Mission Support System
• NTC — National Training Center (USA)
• CAC — Combined Arms Center
• NAV — Navigator
• LD — Low Density
• CSR — Current Situation Room
• NIS — NATO Identification System
• EC — executive committee
• AP — Application Processor
• ERDAS — Earth Resources Data Analysis System
• DF — Disposition Form
• CSU — Channel Service Unit
• BOQ — Bachelor Officers' Quarters
• CJCS — Chairman of the Joint Chiefs of Staff
• TSP — Telecommunications Service Priority
• IVD — Interactive Video Disk
• MTL — Materials Testing Laboratory
• ACDS — Advanced Combat Direction System
• VLSI — Very Large-Scale Integration
• PSN — Packet Switched Network
• FAAS — Foreign Affairs Administrative Support
• NDL — Network Data Language
• SSMA — Spread-Spectrum Multiple Access
• RTS — Remote Tracking Station
• SEAD — Suppression of Enemy Air Defense
• TDRSS — Tracking and Data Relay Satellite System
• LCM — Life Cycle Management
• NTDS — Naval Tactical Data System
• RX — Receive
• SOP — standing operating procedure

• TSK — Transmission Security Key
• NG — National Guard
• CAS — Close Air Support
• PRT — Personal Rapid Transit
• TS — Top Secret
• E3 — End-to-End Encryption
• JSOTF — Joint Special Operations Task Force
• CCTT — Close Combat Tactical Trainer
• EOB — Executive Office Building
• ONR — Office of Naval Research (U.S.)
• VIN — vehicle identification number (US) (transportation)
• RDBMS — Relational Data Base Management System (Oracle)
• ACAAM — Air Courses of Action Assessment Model
• LONG — Longitude
• NIMA — National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency|NGA)
• ERA — Equal Rights Amendment
• AFNET — Air Force Network
• AFAS — Advanced Field Artillery System
• CHAMPUS — (U.S.) Civilian Health And Medical Program Of The Uniformed Services
• TACS — Tactical Air Control System
• PE — Program Element
• PEO — Program Executive Officer
• ISDN — Integrated Service Digital Network
• AOC — air operations center (USAF)
• AFMSS — Air Force Mission Support System
• EOSAT — Earth Observation Satellite Co.
• CIB — Combat Infantryman Badge
• ISA — Interservice Support Agreement
• DMA — U.S. Defense Mapping Agency
• EURATOM — European Atomic Energy Community
• EELV — Evolved Expendable Launch Vehicle
• SDIO — Strategic Defense Initiative Organization
• BRL — Ballistic Research Laboratory
• DTIC — (U.S.) Defense Technical Information Center
• CPE — Customer Premise Equipment
• AOIC — Assistant Officer in Charge
• IPM — Interpersonal Messaging
• ACC — Air Combat Command (formerly TAC)
• OII — Operations-Intelligence Interface
• AMGOT — Allied Military Government for Occupied Territories
• YAG — Yttrium Aluminum Garnet
• WMD — Weapons of mass destruction
• DIS — Defense Investigative Service
• AFV — Armored Fighting Vehicle
• DITCO — Defense Information Technology Contracting Office (formerly DECCO)
• SO/LIC — Special Operations/Low Intensity Conflict
• SA — Special Agent
• AAC — Alaskan Air Command
• TOR — Tentative Operational Requirement
• AO — Area of operations

• WARC — World Administrative Radio Conference
• PPM — Pulse Position Modulation
• F — Frequency
• ALCS — Airborne Launch Control System
• LON — Longitude
• STU — Secure Telephone Unit
• AFMTC — Air Force Missile Test Center
• ARM — Atmospheric Radiation Measurement (DOE program)
• DT&E — Developmental Test & Evaluation
• RN — Royal Navy
• CPR — Cost Performance Report
• DSRP — Defense Space Reconnaissance Program
• ACAT — Acquisition Category
• TPS — Thermal Protection System
• DFAS — Defense Finance & Accounting Service
• CAC — Common Access Card (smart card technology used in DoD)
• MSR — Missile Site Radar
• MAD — Message Address Directory
• DPC — Defense Planning Committee
• AFMIC — Armed Forces Medical Intelligence Center
• FA — Forward Area
• RNAV — Random Navigation Area Navigation
• TAMMS — The Army Maintenance Management System
• NEL — National Exploitation Laboratory
• RDJTF — Rapid Deployment Joint Task Force (US)
• SSR — secondary surveillance radar (ICAO/FAA)
• JFACC — Joint Force Air Component Commander
• DDTE — Director, Defense Test and Evaluation
• PTT — Push to Talk Technology
• RO — Receive Only
• APNIC — Asia Pacific Network Information Center
• OSD — U.S. Office Of The Secretary Of Defense
• MTA — Message Transfer Agents (Internet)
• UPT — Universal Personal Telecommunications
• SVIP — Secure Voice Improvement Program
• OST — Outer Space Treaty
• SRD — System Requirements Document
• ADDISS — Advanced Deployable Digital Imagery Support System
• DA — Direct Action
• JTC — Joint Technical Committee (USA)
• AMC — Air Mobility Command
• SPOT — Satellite Pour l'Observation de la Terre (France)
• AGARD — Advisory Group for Aerospace Research & Development
• AETC — Air Education and Training Command's
• USCMH — United States Commission on Military History
• SOL — Solenoid
• PRB — Problem Review Board
• ROK — Republic Of Korea
• SLC — Space Launch Complex
• MTI — Moving Target Indicator

• COMPUSEC — Computer Security
• FBIS — Foreign Broadcast Information Service
• PTT — Push to Talk Testing
• JCS — Joint Chiefs of Staff
• CFV — Cavalry Fighting Vehicle (M-3 Bradley)
• EO — End Office
• IRM — information resource management
• CBW — Chemical and Biological Warfare
• FAAD — Forward Area Air Defense
• SM — System Management
• AFGWC — Air Force Global Weather Central (U.S.)
• DVI — Digital Video Interactive
• AFWA — Air Force Weather Agency
• DA — Department of the Army's
• VT — Video Terminal
• MTBMA — Mean Time Between Maintenance Actions
• ADGE — Air Defence Ground Environment
• ISB — Intermediate Staging Base
• ATEC — Army Test and Evaluation Command (US Army; formerly OPTEC, Operational Test & Evaluation Command)
• EWO — Electronic Warfare Officer
• TMB — Technical Management Board
• ETF — Enhanced tactical fighter
• BAS — Basic Allowance for Subsistence
• DIS — Defense Information System
• AUSA — Association of the United States Army's
• SJA — Staff Judge Advocate
• DARP — Defense Airborne Reconnaissance Program
• IPC — Industrial Planning Committee
• APM — Army Program Memorandum
• CIO — Central Imagery Office
• MVS — Multiple Virtual System
• MOSFET — Metal-Oxide Semiconductor Field-Effect Transistor
• ARFCOS — Armed Forces Courier Service
• VRD — Virtual Retinal Display
• IU — Interface Unit
• NMCS — National Military Command System
• CACDA — Combined Arms Combat Development Activity
• PTT — Push to Talk Taster
• MIPR — Military Interdepartmental Purchase Request
• DEW — distant early warning (radar)
• JITC — Joint Interoperability Test Center (DISA)
• DSAA — (U.S.) Defense Security Assistance Agency
• DTD — Data Transfer Device
• DISCO — Defense Industrial Security Clearance Office
• TM — Technical Monitor
• LOW — Launch on Warning
• FAPC — Food and Agriculture Planning Committee
• AMCS — Alternate Master Control Station
• TIROS — Television InfraRed Observation Satellite (POES)
• CRAF — Civil Reserve Air Fleet

• DCG — Deputy Commanding General
• DU — Depleted Uranium
• CRREL — Cold Regions Research and Engineering Laboratory (COE)
• AR — Army Ranger
• TAC — Tactical Air Command (U.S. Air Force bases) (now ACC)
• SOC — Special Operations Capable
• POW — Prisoner of war
• DTS — Dedicated Transmission Service
• AOSS — automated office support system
• FAAR — Forward Area Alerting Radar (US)
• CITIS — Contractor Integrated Technical Information Service
• DODISS — Department of Defense Index of Specifications and Standards
• TELCO — Telephone Company
• C&A — Certification and Accreditation
• EC/EDI — Electronic Commerce/Electronic Data Interchange
• UV — Ultra Violet
• DCAS — Defense Contract Administration Services
• MAIS — Major Automated Information System
• TADS — Target Acquisition and Designation System (US)
• LC — Library of Congress
• JSCP — Joint Strategic Capabilities Plan
• CFC — Combined Federal Campaign
• MS — Master of Science
• JPEC — Joint Planning and Execution Community
• JPO — Joint Project Office
• CEMA — Council for Mutual Economic Assistance
• NLM — NetWare Loadable Module
• DCS — Defense Communications System
• PSTN — Public Switched Telecommunications Network
• SDNS — Secure Data Network System
• CCAS — Cape Canaveral Air Station
• MOUT — Military Operations in Urban Terrain (urban warfare) (US)
• BDP — Battlefield Development Plan
• POC/ET — Proof Of Concept/Experimental Testbed
• MILNET — Military Network
• RLG — Ring Laser Gyro
• TACC — Tanker Airlift Control Center (USAF AMC)
• CJTF — combined joint task force
• DAES — Defense Acquisition Executive Summary
• FIPC — Foreign Intelligence Priorities Committee
• AFSWC — Air Force Special Weapons Center
• WEFAX — Weather Facsimile
• TMPC — Theater Mission Planning Center
• PCS — Personal Communications Services
• D — Directive
• PSN — Public Switched Network
• DSSCS — Defense Special Security Communications System
• CRS — Community Relations Service
• PAO — Public Affairs Officer
• DND — Department of National Defence

• AG — Adjutant General (Army)
• DDRS — Defense Data Repository System
• MOC — Maintenance Operational Check
• MARAD — Maritime Administration (National Defense Reserve Fleet)
• ATGM — Anti-tank Guided Missile
• DCASR — Defense Contract Administration Services Region
• OPIC — Overseas Private Investment Corporation
• CFA — Center For Architecture
• PM — Prime Minister
• ATD — Advanced Technology Demonstration
• NSDD — National Security Decision Directive
• C-E — Communications-Electronics
• SWO — Staff Weather Officers
• MCS — Maneuver Control System
• CMTC — Combat Maneuver Training Center
• ASARC — Army Systems Acquisition Review Council
• MTST — Magnetic Tape Selectric Typewriter
• DTD — Directorate of Technical Development
• CONFIG — Configuration
• TAMPS — Tactical Aircraft Mission Planning System
• DSP — Defense Support Program
• KIAS — Knots Indicated Air Speed
• S&T — Directorate for Science and Technology
• DISNET — Defense Integrated Secure Network
• BTA — Best Technical Approach
• CCS2 — Command and Control Subordinate System
• MTL — Material Technology Laboratory
• SCI — Special Compartmented Information
• CSSCS — Combat Service Support Control System
• MCS — Message Conversion System
• APC — Adaptive Predictive Coding
• TAE — Transportable Applications Executive (a computer user interface)
• CMAG — Cruise Missile Advanced Guidance
• JTA — Joint Table of Allowances
• MOTIF — Maui Optical Tracking and Identification Facility
• VPF — Vector Product Format
• DTSS — Digital Topographic Support System
• BMO — Ballistic Missile Organization
• LWIR — Long-Wavelength Infrared
• DON — Department Of the Navy
• OOTW — Operations Other Than War (now SSO)
• CGSC — Command and General Staff College (U.S. Army)
• WA — Western Approaches
• TIRS — Thermal Infrared Scanner
• BRAC — Base Realignment and Closure (Commission)
• TEC — US Army Topographic Engineering Center
• CMCA — Cruise Missile Carrier Aircraft
• CTF — Combined Task Force
• LSI — Large-Scale Integration
• DASC — Direct Air Support Center (USMC)

• CAF — Combat Air Forces (US)
• IOT&E — Initial Operational Test & Evaluation
• NAVELEX — Naval Electronic Systems Command
• IPF — Integrated Processing Facility
• CCITT — Consultative Committee for International Telephone and Telegraph
• AID — Agency for International Development (U.S.)
• RECC — Regional Emergency Communications Coordinator
• TTBT — Threshold Test Ban Treaty
• ODIF — Open Document Interchange Format
• EDC — European Defence Community
• RSTN — Radio Solar Telescope Network
• AFMC — Air Force Materiel Command
• AHFEWS — Army High Frequency Electronic Warfare System
• BMD — Ballistic Missile Defense; Boyevaya Mashina Desantika (Russian: airborne combat vehicle)
• LOC — Location Number
• RFPI — Rapid Force Projection Initiative
• IRBM — Intermediate-range ballistic missile
• NHCD — National HUMINT Collection Directive
• SPM — System Program Manager
• NOSC — Naval Ocean Systems Center (replaced by NCCOSC and now SPAWAR Systems Center)
• OEU — Operational Evaluation Unit
• ASED — Assistant Secretary of Defense
• CRC — Control and Reporting Center (USAF 407L)
• PKC — Public Key Cryptography
• AFEWC — Air Force Electronic Warfare Center
• SAP — Special Access Program
• BEM — British Empire Medal
• PT — Physical Training. Used In The Plural (PTs)
• IPSO — Internet Protocol Security Option
• DF — Direction Finding or Finder
• OTEA — United States Army Operational Test and Evaluation Agency
• RRF — Ready Reserve Force
• ECMC — Enhanced Crisis Management Capability
• MERADCOM — Mobility Equipment Research and Development Command (U.S. Army)
• NAF — Numbered Air Force (US)
• MOPS — Million Operations per Second
• LSC — Linear Shaped Charge
• JAEIC — Joint Atomic Energy Intelligence Committee
• CSTVRP — Computer Security Technical Vulnerability Reporting Program
• AR — Army Reenlistment
• ASC — AUTODIN Switching Center
• DCSLOG — Deputy Chief of Staff for Logistics, US Army
• PS — Packet Switch
• COC — Combat Operations Center
• CBRS — Concept Based Requirements System
• USCS — United States Customs Service
• ABCCC — Airborne Battlefield Command and Control Center
• NRO — U.S. National Reconnaissance Office
• EPDS — Electronic Processing and Dissemination System
• TR — Transportation Request

• CWC — Chemical Weapons Convention (International Treaty)
• CAA — Concepts Analysis Agency (U.S. Army)
• TEG — Tactical Exploitation Group (Navy's Joint Service Imagery Processing System)
• JDA — Joint Deployment Agency
• RDD — required delivery date (at destination)
• MEB — Marine Expeditionary Brigade (US)
• ABCS — (U.S.) Army Battle Command System
• DIC — Defense Intelligence College
• DAP — Designated Acquisition Program
• ETR — Eastern Test Range (ESME Preferred)
• T/R — Transmitter/Receiver
• PCA — Point of Closest Approach
• DIPEC — Defense Industrial Plant Equipment Center
• OTH — Over the Horizont
• TARPS — Tactical Air Reconnaissance Pod System
• SIP — Site Implementation Plan
• DU — Decision Unit
• ATCCS — Army Tactical Command and Control System
• NF — no foreign
• AFIWC — Air Force Information Warfare Center
• BETA — Battlefield Exploitation and Target Acquisition
• WRM — War Reserve Materiel
• AIM — Air Intercept Missile
• WR — Western Range
• SDIS — Switched Digital Integrated Service
• NCS — Network Control Station
• CCMAT — Canadian Centre for Mine Action Technologies
• ESSM — Evolved Sea Sparrow Missile
• JTIDS — Joint Tactical Information Distribution System (djay-tidz)
• AMPE — Automated Message Processing Exchange
• JRMB — Joint Requirements and Management Board
• SORD — System Operational Requirements Document
• OPL — Operational
• ACW — Aircraft Control & Warning
• DCP — Decision Coordinating Paper
• DPL — Degausser Products List
• MW — Microwave
• DAWN — Defense Attache Worldwide Network
• MC — Military Committee
• ES — Expert System
• JFLCC — Joint Force Land Component Commander and Staff
• RCMP — Royal Canadian Mounted Police
• RB/ER — Reduced Blast/Enhanced Radiation
• DINAH — Desktop INterface to AUTODIN Host
• NSAD — Network Security Architecture and Design
• CP — Central Processor
• PSS — Packet Switched Service
• WWOLS — World Wide on-Line System
• OIA — Office of Imagery Analysis
• ERAST — Environmental Research Aircraft and Sensor Technology

• C² — Command and Control
• PDS — Power Distribution System (Subsystem)
• JSTARS — Joint Surveillance and Target Attack Radar System
• JTR — Joint Travel Regulation
• FBM — fleet ballistic missile submarine
• AFCC — Air Force Communications Command
• PV — Positive Vetting
• IWSDB — Integrated Weapon System Data Base
• RADC — Rome Air Development Center (Now Rome Laboratory)
• NGB — National Guard Bureau
• PCS — Permanent Change Of Station. Reassignment To A Different Duty Station.
• VTS — Vandenberg Tracking Station (AFSCN)
• SBI — Special Background Investigation
• JWG — Joint Working Groupof
• SQL — Standard Query Language
• MEF — Marine Expeditionary Force (US)
• CHOP — Change of Operational Control
• CNET — Chief of Naval Education and Training
• CPM — Cycles Per Minute
• D/A — Digital/Analog
• KSOS — Kernelized Secure Operating System
• AFTAC — Air Force Technical Applications Center
• NITF — National Imagery Transmission Format
• DCGS — Distributed Common Ground System
• SDP — Service Delivery Point
• JSMB — Joint Space Management Board
• DSARC — Defense Systems Acquisition Review Council
• JSAN — Joint Staff Automation of the Nineties
• JUMPS — Joint Uniform Military Pay System
• USNA — United States Naval Academy
• CEP — Civil Emergency Planning
• DCTN — Defense Commercial Telecommunications Network
• POS — Position Orientation Systems
• LRC — Logistics Readiness Center
• EWO — Emergency War Order
• DERA — Defense Environment Restoration Account
• MILSTAMP — Military Standard Transportation & Movement Procedure
• LDC — less-developed country
• PDP — Programmable Data Processor
• OSIS — Ocean Surveillance Information System
• JOP — Joint Operating Procedure
• CSA — Chief of Staff of the Army
• TRSS — Tactical Remote Sensor System
• COEA — Cost and Operational Effectiveness Analysis
• NSEP — National Security Emergency Preparedness
• ONC — Operational Navigation Chart
• JSC — Joint Spectrum Center (formerly ECAC)
• NAOC — National Airborne Operations Center
• ATB — Advanced Technology Bomber (USAF B-2)
• OSF — Operations Support Facility

• MDW — Military District of Washington (US Army)
• DCU — Data Control Unit
• LUT — Limited User Test
• SST — Safe Secure Transport
• NTISSC — National Telecommunications & Information Systems Security Committee
• SCS — Security Control System
• STT — Small Tactical Terminal
• MBB — Modular Building Block
• CAB — Cabin
• FCS — Future Combat System
• NTCB — Network Trusted Computing Base
• WSMCR — Western Space and Missile Center Regulation
• JMETL — Joint Mission-Essential Task List
• MDAP — Major Defense Acquisition Program
• ROTHR — Relocatable Over-The-Horizon Radar
• ONI — U.S. Navy Office of Naval Intelligence
• DRB — Defense Resources Board
• PNAF — Prime Nuclear Airlift Force
• TSM — TRADOC System Manager
• AJCC — Alternate Joint Communications Center
• DARO — (U.S.) Defense Airborne Reconnaissance Office
• CAOC — Combined Air Operations Center
• MMU — Mass Memory Unit
• PIP — Project Implementation Plan (AID)
• DCI — Director of Central Intelligence (DIA)
• CSP — Communications Support Processor
• CDIP — Council of Defense Intelligence Producers
• PRB — Program Review Board
• PMSP — Preliminary Message Security Protocol
• BCT — Brigade Combat Team
• MAST — Mobile Ashore Support Terminal
• DST — Decision Support Tools
• FBS — Forward-Based Systems
• MC — Mission Capable
• LTBT — Limited Test Ban Treaty
• AGCCS — Army Global Command and Control System
• NAVNET — Navy Network
• DB — Data Base
• DST — Daylight Savings Time
• JSIPS — Joint Service Imagery Processing System
• DCA — Defense Cooperation Agreements
• XA — Extended Architecture (MVS)
• USAREUR — United States Army European Command
• USIA — United States Information Agency (changed To IIP)
• JFMCC — Joint Force Maritime Component Commander
• CECOM — U.S. Army Communications And Electronics Command
• PLSS — Precision Location Strike System
• STAR — System Threat Assessment Report
• M&S — Modeling and Simulation
• SHAPE — Supreme Headquarters Allied Powers Europe (NATO)

• DCID — Director of Central Intelligence Directive
• BGPHES — Battle Group Passive Horizon Extension System
• JAC — Joint Analysis Center
• UNC — United Nations Command
• PTP — Paper Tape Punch
• CTAPS — Contingency Theater Automated Planning System
• ASPO — Army Space Program Office
• WSMC — Western Space and Missile Center
• PCO — Procuring Contracting Officer
• TAA — Total Army Analysis
• LSB — Lower Sideband
• SIPRNET — Secret Ip Router Network
• DDC — Defense Documentation Center
• TAC — Terrain Analysis Center
• SSO — Special Security Office
• TFM — Trusted Facility Manual
• CAP — crisis action planning (US DoD)
• MCEB — Military Communications-Electronics Board
• PNVS — Pilot Night Vision System
• LEAF — Law Enforcement Access Field
• DCA — Defense Communication Agency
• ASN — Assistant Secretary of the Navy
• P&L — Production & Logistics
• METEOSAT — European Geostationary Meteorological Satellite
• CLS — Contractor Logistics Support
• POES — Polar Orbiting Environmental Satellite
• RAAP — Rapid Application of Air Power
• DIMSS — DSN Integrated Management Support System
• DGCC — DISA Global Control Center
• OSI — Office of Special Investigations
• RMS — Remote Monitoring System
• AR — Army
• WFP — World Food Program
• LRP — Long-range Plan
• MAU — Marine Amphibious Unit
• DES — Digital Encryption Standard
• NMC — Not Mission Capable
• ROC — Regional Operations Center (NATO)
• NCB — Nuclear Contingency Branch
• NISAC — National Industrial Security Advisory Committee
• ACTD — An Advanced Concept Technology Demonstration
• SWC — Shield, Space Warfare Center
• MISSI — Multilevel Information System Security Initiative
• ASSR — Agreed Set of Security Rules
• CFS — Center For Standards
• WWIMS — Worldwide Warning Indicator Monitoring System
• JIEO — Joint Interoperability Engineering Organization (DISA)
• NGA — NATO Guidelines Area
• JMCIS — Joint Maritime Command Information System
• MSPB — Merit System Protection Board

• SPI — Surface Position Indicator
• DTS — Data Transmission System
• MHD — Moving-Head Disk
• JPAM — Joint Program Assessment Memorandum
• ARC — Acquisition Review Committee
• USB — Upper Sideband
• JPRS — Joint Publications Research Service
• BFA — Battlefield Functional Area
• TACP — Tactical Air Control Party
• OSI — Open System Interconnection
• CE — command element (MAGTF) (US DoD)
• PPL — Preferred Products List
• MSIC — Missile and Space Intelligence Center
• ST&E — Security Test and Evaluations
• JOTS — Joint Operational Tactical System
• ELDO — European Launcher Development Organization
• OAU — Organization of African Unity
• JCMC — Joint Crisis Management Capability
• NPIC — National Photographic Interpretation Center
• CARS — Contingency Airborne Reconnaissance System
• ORD — Operational Requirements Documentation
• AR — Army Records
• OSE — Open System Environment
• SMC — System Management Center
• SOTF — Security Operations Training Facility
• MILSTD — Military Standard
• SLAT — Supersonic Low-Altitude Target
• NSD — National Security Directive
• SMILS — Sonobuoy Missile Impact Location System
• JTA — Joint Technical Architecture
• NSI — National Security Information
• LANDSAT — land satellite (photographs of the ground)
• NDIC — National Drug Intelligence Center
• JSTPS — Joint Strategic Target Planning Staff
• CSSE — combat service support element (MAGTF) (US DoD)
• NSTAC — National Security Telecommunications Advisory Committee
• NWC — National War College
• SOON — Solar Observing Optical Network
• KMR — Kwajalein Missile Range
• MAD — Mutual Assured Destruction
• JSRC — Joint Search and Rescue Center
• PCS — Personal Communications System
• DODD — DoD Directive
• TSC — Tactical Support Center (formerly ASWOC)
• USAMCC — United States Army Meteorology and Calibration Center
• EOC — Emergency Operating Center
• JPD — Joint Planning Document
• WGS — World Geodetic System
• DMSO — Defense Modeling and Simulation Office's
• SRAM — Short Range Attack Missile

• MSK — Minimum Shift Keying
• LDEF — Long Duration Exposure Facility (for Spacecraft Material Testing)
• TIARA — Tactical Intelligence And Related Activities
• OTEA — Operational Test and Evaluation Agency (U.S. Army)
• JSEAD — Joint Suppression of Enemy Air Defenses
• IPDS — Imagery Processing and Dissemination System
• PRI — Pulse Repetition Interval = I/PRF
• SHADE — Shared Data Environment
• WWMCCS — Worldwide Military Command and Control System (obsolete)
• SAMTO — Space And Missile Test Organization
• BG — Battle Group (naval)
• WSMR — White Sands Missile Range (whiz-murr)
• TEHO — Tail-End-Hop-Off
• TIBS — Tactical Information Broadcast System
• ISC — United States Army Information Systems Command
• JROC — Joint Requirements Oversight Council
• ADT — Active Duty for Training
• ACS — Army Community Service
• JSPS — Joint Strategic Planning System
• AITS — Adopted Information Technology Standards
• NCS — net control station (communications)
• MLA — Multispectral Linear Array
• NOSIC — Naval Ocean Surveillance Information Center
• JMNS — Joint Mission Needs Statement
• MTCR — Missile Technology Control Regime
• TERPES — Tactical Electronic Reconnaissance Processing and Evaluation System
• LPI — Low Probability of Intercept
• TREE — Transient Radiation Effects on Electronics
• LAV — Light Armored Vehicle (non-tactical)
• CNC — Computerized Numerical Control
• SMH — Society for Military History
• JPOTF — Joint Psychological Operations Task Force
• JCALS — Joint Computer-Aided Logistics System
• CSDE — Central Servicing Development Establishment
• JMIC — Joint Military Intelligence College
• TLAM — Tomahawk Land Attack Missiles
• JAOC — Joint Air Operations Center
• POS — Position of Strength
• AIA — Air Intelligence Agency
• MW — Missile Warning
• N-ISDN — Narrowband ISDN
• EPL — Evaluated Products List
• NMJIC — National Military Joint Intelligence Center
• JSR — Joint Strategy Review
• TSS — Timesharing System
• ISB — Intelligence Systems Board
• MWC — Missile Warning Center
• NSARC — Navy Systems Acquisition Review Council
• CP — Communications Processor
• RAF — Royal Air Force (U.K.)

• SVGA — Super Video Graphics Adapter
• NAC — North Atlantic Council
• JMTK — Joint Mapping Tool Kit
• RFE — Radio Free Europe
• CMWS — Common Missile Warning System
• NMICC — National Military Intelligence Collection Center
• JMIP — Joint Military Intelligence Program
• MPA — Maritime Patrol Aircraft
• MENA — Middle East (and) North Africa
• SWC — Space Warfare Center
• JIEP — Joint Intelligence Estimate for Planning
• OCS — Operational Control Segment
• JCSE — Joint Communications Support Element
• UWB — Ultra Wide-Band
• JSPD — Joint Strategic Planning Document
• NICS — NATO Integrated Communications System
• PSR — program status review
• BCTP — Battle Command Training Program
• USSS — United States Secret Service
• STACCS — Standard Theater Army Command and Control System
• MFI — Multifunction Interpreter
• SACS — Secure Access Control System
• DSNET — Defense Secure Network
• ON — Original Negative (film)
• TAOC — Tactical Air Operations Center
• JTCG — Joint Technical Coordinating Group
• WPC — Word Processing Center
• OTCIXS — Officer in Tactical Command Information Exchange Subsystem
• JFSOCC — Joint Force Special Operations Component Commander
• TWTA — Traveling Wave Tube Amplifier
• TADIL — Tactical Digital Information Link
• MOC — Mission Operations Center
• USAR — United States Army Reserve
• V — Vertical
• JSS — Joint Surveillance System
• CWC — Composite Warfare Commander
• JFC — Joint Force Commander
• TRIXS — Tactical Reconnaissance Intelligence Exchange System
• MROC — Multicommand Required Operational Capability
• TADIL — Tactical Data Information Link
• DTD — Digital Terrain Data
• TA — Terrain Avoidance
• TIS — Tactical Input Segment (JSIPS)
• TTPI — Trust Territory of the Pacific Islands
• OTC — Officer-in-Tactical Command
• SSS — Systems Science and Software
• BMDO — Ballistic Missile Defense Office
• AAA — Anti Aircraft Artillery
• MEU — Marine Expeditionary Unit (US)
• LIWA — Land Information Warfare Activity

• PDD — Presidential Decision Directive
• ETO — Earth-to-Orbit
• DBOF — Defense Business Operating Fund
• AR — Army Recruiting
• JPSD — Joint Precision Strike Demonstration
• LANS — Local Area Network System
• DCS — Defense Courier Service
• U/C — Undercarriage
• TBMD — Theater Ballistic Missile Defense
• WB — Wideband
• VAFB — Vandenberg Air Force Base
• IUSS — Integrated Undersea Surveillance System
• SAMSO — Space And Missile System Organization
• DCTN — Defense Commercial Telephone Network
• CE — Communications-Electronics
• ODS — Open Data Server
• ARIN — American Registry of Internet Numbers
• PLRS — Position Location Reporting System
• EP — Electronic Protection
• WHCA — White House Communications Agency
• NDRF — National Defense Reserve Fleet
• MED — Mediterranean (the region) (START)
• NITFS — National Imagery Transmission Format Standard
• MITT — Mobile Integrated Tactical Terminal
• NSS — National Seismic Station
• SLFCS — Survivable Low Frequency Communications System
• MAISRC — Major Automated Information System Review Council
• SDD — Secure Data Device
• USS — United States Ship
• CISS — Center for Information Systems Security
• NS/EP — National Security and Emergency Preparedness
• JIC — Joint Intelligence Center
• NETCOM — Network Enterprise Technology Command
• VAC — Volts, Alternating Current
• NET — New Equipment Training
• FAO — Food Agriculture Organization
• JWID — Joint Warrior Interoperability Demonstration
• CIB — Controlled Image Based
• TBM — Theater Ballistic Missile
• TBM — Theater Battle Management
• ASR — Air/Sea Rescue
• LIVID — Language Identification and Voice Identification
• DSB — (U.S.) Defense Science Board
• NFCS — Nuclear Forces Communications Satellite
• PC — Production Control
• SA — Secretary of the Army's
• PTT — Post Telephone and Telegraph Administration
• SPIRIT — (TROJAN) Special Purpose Integrated Remote Intelligence Terminal
• RSSAC — Root Server System Advisory Committee
• MIES — Modernized Imagery Exploitation System

• ASG — Area Support Group
• IRDS — Information Resources Dictionary System
• NSS — National Security Strategy
• WP — Word Processing
• MTL — Material Technology Logistics
• PTP — Point-To-Point
• USMA — United States Military Academy
• RM — Requirements Management
• JITC — Joint Interoperability Technology Center
• OSF — Open Systems Foundation
• NFIP — National Foreign Intelligence Program
• DT — DEVELOPMENTAL TEST
• AR — Army Research
• AR — Army Respiratory
• NSA — National Standards Association
• SLAM — Standoff Land Attack Missile (Navy)
• CSC — Customer Support Center
• AR — Army Retirement
• AR — Army Reactor
• MTL — Materials Test Loop
• AR — Army Recordkeeping
• MARECS — Maritime European Communications Satellite
• SIL — Systems Integration Laboratory
• PA — Public Affairs
• OBP — On-Board Processing

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