Army Abbreviations

Look through 1825 acronyms and abbreviations related to Army:

A/D	Analog/Digital
AA	Australian Army
AAA	Anti Aircraft Artillery
AAC	Alaskan Air Command
AACB	Aeronautics & Astronautics Coordinating Board
AAE	Army Acquisition Executive
AAH	Advanced Attack Helicopter
AAR	After Action Review
AB	Air Base
ABCCC	Airborne Battlefield Command and Control Center
ABCS	(U.S.) Army Battle Command System
ABE	ARM-Based Electronics
ABMA	Army Ballistic Missile Agency
ABR	Available Bit Rate
AC	Alternating Current
AC	Active Component
AC	annual closing
ACA	Airspace Control Authority
ACAAM	Air Courses of Action Assessment Model
ACAT	Acquisition Category
ACC	Air Combat Command (formerly TAC)
ACCP	Army Correspondence Course Program
acda	Arms Control and Disarmament Agency's
ACDS	Advanced Combat Direction System
ACE	Access Control Encryption
ACL	Access Control List
ACM	Advanced Cruise Missile
ACR	Armored Cavalry Regiment
ACS	Army Community Service
ACS	Aerial Common Sensor
ACTD	An Advanced Concept Technology Demonstration
ACU	Antenna Control Unit
ACU	Army Combat Uniform
ACW	Aircraft Control & Warning
AD	airworthiness directives (FAA)
AD	Air Defense
ADA	Air Defense Artillery
ADC	Air Data Computer
ADCCP	Advanced Data Communications Control Procedures
ADDISS	Advanced Deployable Digital Imagery Support System
ADDS	Army Data Distribution System
ADF	Australian Defence Force
ADGE	Air Defence Ground Environment
ADIZ	Air Defense Identification Zone
ADL	Ada Design Language
ADM	Acquisition Decision Memorandum
ADM	Advanced Development Model
ADP	Automated Data Processing
ADPE	Automatic Data Processing Equipment
ADT	Active Duty for Training

AE	Application Entity
aetc	Air Education and Training Command's
AEW	Airborne Early Warning
AF	Air Force
AFAITC	Armed Forces Air Intelligence Training Center
AFAMPE	Air Force Automated Message Processing Exchange
AFARN	Air Force Air Request Net
AFAS	Advanced Field Artillery System
AFATDS	Advanced Field Artillery Tactical Data System
AFB	Air Force Base (USAF)
AFC	Automatic Frequency Control
AFCC	Air Force Communications Command
AFCS	Automatic Flight Control System
AFCSC	Air Force Cryptologic Support Center
AFEWC	Air Force Electronic Warfare Center
AFGL	Air Force Geophysics Laboratory
AFGWC	Air Force Global Weather Central (U.S.)
AFIWC	Air Force Information Warfare Center
aflc	Air Force Logistics Command's
AFM	Air Force Manual
AFMC	Air Force Materiel Command
AFMIC	Armed Forces Medical Intelligence Center
AFMPC	Air Force Military Personnel Center
AFMSS	Air Force Mission Support System
AFMTC	Air Force Missile Test Center
AFNET	Air Force Network
AFOSI	Air Force Office of Special Investigations
AFOSR	Air Force Office Of Scientific Research(USA)
AFOTEC	Air Force Operational Test and Evaluation Center's
AFR	Air Force Regulation
AFRL	Air Force Research Laboratory
AFS	Air Force Station
AFSC	United States Air Force specialty code
AFSC	Air Force Systems Command
AFSCF	Air Force Satellite Control Facility
AFSCN	Air Force Satellite Control Network
AFSOC	Air Force Special Operations Command
AFSTC	Air Force Space Technology Center
AFSWC	Air Force Special Weapons Center
AFTAC	Air Force Technical Applications Center
AFTI	Advanced Fighter Technology Integration
AFV	Armored Fighting Vehicle
AFWA	Air Force Weather Agency
AFWAL	Air Force Wright Aeronautical Laboratory
AG	Adjutant General (Army)
AGARD	Advisory Group for Aerospace Research & Development
AGC	Automatic Gain Control
AGCCS	Army Global Command and Control System
AGL	Above Ground Level
AHFEWS	Army High Frequency Electronic Warfare System

AI	Air Interdiction
AIA	Air Intelligence Agency
AIAA	American Institute of Aeronautics and Astronautics, Inc.
AID	Agency for International Development (U.S.)
AIM	Air Intercept Missile
AIMD	Aircraft Intermediate Maintenance Department
AIRS	Advanced Inertial Reference Sphere
AIS	Automated Information System
AIT	Advanced Individual Training
AITS	Adopted Information Technology Standards
AJCC	Alternate Joint Communications Center
AKM	Apogee Kick Motor
ALCS	Airborne Launch Control System
ALO	Air Liaison Officer
ALT	Altitude
ALT	Alternate
AM	Amplitude Modulation
AMC	Air Mobility Command
AMC	United States Army Materiel Command
AMCS	Alternate Master Control Station
AMGOT	Allied Military Government for Occupied Territories
AMHS	Automated Message Handling System
AMPE	Automated Message Processing Exchange
AMR	Atlantic Missile Range
AMST	Advanced Medium STOL Transport
AMU	Astronaut Maneuvering Unit
ANDVT	Advanced Narrowband Digital Voice Terminal
ANFO	Ammonium Nitrate Fuel Oil Explosive
ANG	Air National Guard
ANLYS	Analysis
ANMCC	Alternate National Military Command Center
ANR	Active Noise Reduction
ANSI	American National Standards Institute, Inc.
AO	Area of operations
AOA	Angle Of Attack
AOA	Angle Of Arrival
AOC	air operations center (USAF)
AOD	Administrative Officer of the Day
AOIC	Assistant Officer in Charge
AOSS	automated office support system
AP	Application Processor
AP	Associated Press
APB	All Points Bulletin
APB	Acquisition Program Baseline
APC	armored personnel carrier
APC	Adaptive Predictive Coding
APFT	Army Physical Fitness Test
APHIS	U.S. Department of Agriculture's Animal and Plant Health Inspection Service
APL	Applied Physics Laboratory (at Johns Hopkins)
APM	Army Program Memorandum

APNIC	Asia Pacific Network Information Center
APP	Application
APPS	Applications (software)
APT	Automatic Picture Transmission
APU	Auxiliary Power Unit
AR	Army Recordkeeping
AR	Army Ranger
AR	Army
AR	Army Reenlistment
ar	Army Recruiting
AR	Army Records
AR	Army Reserve
AR	Army Respiratory
AR	Army Research
AR	Army Regulation
AR	Army Retirement
AR	Army Reactor
ARC	Acquisition Review Committee
ARDC	Air Research and Development Command
ARFCOS	Armed Forces Courier Service
ARIN	American Registry of Internet Numbers
ARL	Army Research Laboratory
ARM	Atmospheric Radiation Measurement (DOE program)
ARPA	Advanced Research Projects Agency (made early internet)
ARPANET	Advanced Research Projects Agency Network (early internet)
ARTEP	Army Training and Evaluation Program
ASAP	As Soon As Possible (pronounced AY-sap)
ASAR	Advanced Synthetic Aperture Radar
ASARC	Army Systems Acquisition Review Council
ASARS	Advanced Synthetic Aperture Radar System
ASB	Army Science Board
ASC	AUTODIN Switching Center
ASCII	American National Standard Code for Information Interchange
ASD	Assistant Secretary of Defense
ASE	Aircraft Survivability Equipment
ASEAN	Association of Southeast Asian Nations
ASED	Assistant Secretary of Defense
ASG	Area Support Group
ASI	Air Speed Indicator
ASME	American Society of Mechanical Engineers
ASN	Assistant Secretary of the Navy
ASN	Abstract Syntax Notation
ASOC	Air Support Operations Center
ASP	Ammunition Supply Point
ASPO	Army Space Program Office
ASR	Air/Sea Rescue
ASR	Airport Surveillance Radar
ASSIST	Automated Special Security Information System Terminal
ASSR	Agreed Set of Security Rules
ASVAB	armed services vocational aptitude battery

AT	Annual Training
AT&T	American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
ATA	Actual Time of Arrival
ATA	Advanced Tactical Aircraft
ATA	Area Transportation Authority
ATB	Advanced Technology Bomber (USAF B-2)
ATC	Air traffic control
ATC	Air Training Command
ATCCS	Army Tactical Command and Control System
ATD	Actual Time of Departure
ATD	Advanced Technology Demonstration
ATEC	Army Test and Evaluation Command (US Army; formerly OPTEC, Operational Test & Evaluation Command)
ATF	Amphibious Task Force
ATF	Advanced Tactical Fighter
ATGM	Anti-tank Guided Missile
ATM	Asynchronous Transfer Mode
ATO	Air Tasking Order
ATP	Advanced Technology Program
ATR	Automatic Target Recognition
ATS	applications technology satellite
AU	Audio Unit
ausa	Association of the United States Army's
AUTODIN	Automatic Digital Network
AUTOVON	Automatic Voice Network
AVHRR	Advanced Very High Resolution Radiometer
AVIM	Aviation Intermediate Maintenance
AWACS	Airborne Warning And Control System
AWADS	Adverse Weather Aerial Delivery System
AWE	Advanced Warfighting Experiment
AWGN	Additive White Gaussian Noise
AWL	Absent Without Leave
AWOL	Absent Without Leave
AWS	Air Weather Service
AXAF	Advanced X-Ray Astrophysics Facility
AZ	Azimuth
B&W	Babcock & Wilcox - Black And White - Bowers & Wilkins
BAA	Broad Agency Announcement
BAE	British Aerospace Systems, LTD
BAMF	Bad Ass Mother Fucker
BAOR	British Army of the Rhine
BAQ	Basic Allowance for Quarters
BAS	Basic Allowance for Subsistence
BCD	Bad Conduct Discharge
BCE	Battlefield Coordination Element
BCT	Basic Combat Training (familiarly Basic Training Or Basic)
BCT	Brigade Combat Team
BCTP	Battle Command Training Program
BDA	Bomb Damage Assessment
BDP	Battlefield Development Plan
BDR	Battle Damage Repair

BEF	British Expeditionary Force
BEM	British Empire Medal
BER	Bit-Error Rate
BER	Beyond Economical Repair
BERT	Bit Error Rate Tester (telecommunication)
BES	Budget Estimate Submission
BETA	Battlefield Exploitation and Target Acquisition
BFA	Battlefield Functional Area
BFT	Blue Force Tracking
BG	Battle Group (naval)
BGP	Border Gateway Protocol (routing protocol)
BGPHES	Battle Group Passive Horizon Extension System
BH	Busy Hour
BI	Background Investigation
BIM	Ballistic Intercept Missile
BIT	Built-In Test
BIT	Binary Digit (either 0 Or 1)
BITE	Built In Test Equipment/Battle Management Interoperability T&E Training Exercises
BIU	Bus Interface Unit
BLUF	Bottom Line Up Front
BMD	Ballistic Missile Defense; Boyevaya Mashina Desantika (Russian: airborne combat vehicle)
BMDO	Ballistic Missile Defense Office
BMDO	(U.S.) Ballistic Missile Defense Organization (bim-do)
BMEWS	Ballistic Missile Early Warning System (bee-mews)
BMO	Ballistic Missile Organization
BMO	Ballistic Missile Office
BOHICA	Bend Over, Here It Comes Again
BOM	Bill of Material
BOQ	Bachelor Officers' Quarters
BPA	Blanket Purchase Agreement
bpi	bits per inch
BPR	Business Process Re-engineering
bps	bits per second
BRAC	Base Realignment and Closure (Commission)
BRI	Basic Rate Interface
BRL	Ballistic Research Laboratory
BSB	Base Support Battalion
BTA	Best Technical Approach
BTU	British Thermal Unit
BTW	By The Way
BVR	Beyond Visual Range
BW	Biological Warfare
BW	Bandwidth
BWC	Biological Weapons Convention
C&A	Certification and Accreditation
C-E	Communications-Electronics
C/SSR	Cost/Schedule Status Report
C3I	Command, Control, Communications & Intelligence
C4	Command, Control, Communications, and Computers
CA	Civil Affairs

CAA	Concepts Analysis Agency (U.S. Army)
CAB	Cabin
CAB	Cabinet
CAB	Combat Aviation Brigade
CAC	Combined Arms Center
CAC	Common Access Card (smart card technology used in DoD)
CACDA	Combined Arms Combat Development Activity
CACM	Central American Common Market
CAD	Computer-Assisted Design
cad	Computer Aided Designer
CAE	Computer-Aided Engineering
CAF	Combat Air Forces (US)
CALS	Computer-Aided Acquisition and Logistics Support (CAALS)
CAM	computer aided manufacturing
CAMS	Core Automated Maintenance System
CAOC	Combined Air Operations Center
CAP	crisis action planning (US DoD)
CAP	Combat Air Patrol
CAP	Civil Air Patrol
CAPT	Captain
CARDE	Canadian Armament Research and Development Establishment
CARS	Contingency Airborne Reconnaissance System
CAS	Calibrated Air Speed
CAS	Close Air Support
CAT	Category (e.g. CAT-5 cable)
CAVU	Ceiling And Visibility Unlimited
CBD	Commerce Business Daily (Changed To FBO)
CBJB	Congressional Budget Justification Book
CBO	Congressional Budget Office
CBR	Case-Based Reasoning
CBR	Constant Bit Rate
CBRS	Concept Based Requirements System
CBW	Chemical and Biological Warfare
CCAFS	Cape Canaveral Air Force Station, an air force base in Florida where NASA launches satellites from.
CCAS	Cape Canaveral Air Station
CCB	Configuration Control Board
CCB	Change Control Board
CCITT	Consultative Committee for International Telephone and Telegraph
CCMAT	Canadian Centre for Mine Action Technologies
CCS2	Command and Control Subordinate System
CCTT	Close Combat Tactical Trainer
CCTV	Closed Circuit Television
CD	Civil Defense
CDB	Central Data Base
CDC	Career Development Course
CDIP	Council of Defense Intelligence Producers
CDL	Common Data Link
CDMA	Code Division Multiple Access (voice/data transmission)
CDR	Critical Design Review
CDRL	Contract Data Requirements List

CDS	Combat Direction System
CDT	Central Daylight Time
CDU	Control Display Unit
CE	Civil Engineer
CE	command element (MAGTF) (US DoD)
CE	Communications-Electronics
CEC	Cooperative Engagement Capability
CECOM	U.S. Army Communications And Electronics Command
CEMA	Council for Mutual Economic Assistance
CENTO	Central Treaty Organization (Baghdad Pact)
CEO	Chief Executive Officer
CEP	Circular Error Probable
CEP	Civil Emergency Planning
CFA	Center For Architecture
CFC	Combined Federal Campaign
CFE	Center For Engineering
CFE	Contractor-Furnished Equipment
CFLCC	Combined Force Land Component Command
CFS	Center For Standards
CFSR	Contract Funds Status Report/ing
CFV	Cavalry Fighting Vehicle (M-3 Bradley)
CG	Center of Gravity (DXS)
CG	Coast Guard
CG	Commanding General
CGM	Computer Graphics Metafile
CGS	Common Ground Station
CGSC	Command and General Staff College (U.S. Army)
CHAMPUS	(U.S.) Civilian Health And Medical Program Of The Uniformed Services
CHOP	Change of Operational Control
CIA	Central Intelligence Agency
CIB	Combat Infantryman Badge
CIB	Controlled Image Based
CIC	Combat Information Center
CIDR	Classless Inter-Domain Routing (ATM)
CIF	Central Issue Facility
CIHS	Classified Information Handling System
CIO	Chief Information Officer
CIO	Central Imagery Office
CIS	Commonwealth of Independent States
CIS	Combat Intelligence System
CISS	Center for Information Systems Security
CITIS	Contractor Integrated Technical Information Service
CJCS	Chairman of the Joint Chiefs of Staff
CJTF	combined joint task force
CLIN	Contract Line Item Number
CLS	Contractor Logistics Support
CM	Configuration Management
CMAG	Cruise Missile Advanced Guidance
CMCA	Cruise Missile Carrier Aircraft
CMOS	Complementary Metal-Oxide Semiconductor

CMP	Configuration Management Plan
CMTC	Combat Maneuver Training Center
CMW	Compartmented Mode Workstation
CMWS	Common Missile Warning System
CNC	Computerized Numerical Control
CNET	Chief of Naval Education and Training
cnn	Cable News Network's
CNO	Chief of Naval Operations
CNR	Combat Net Radio
CNWDI	Critical Nuclear Weapons Design Information
CO	Company
COB	Command Operating Budget
Cob	close of business (End of duty day)
COBE	Cosmic Background Explorer Satellite (NASA)
COBOL	Common Business-Oriented Language
COC	Combat Operations Center
COE	Common Operating Environment
COEA	Cost and Operational Effectiveness Analysis
COG	Continuity Of Government
COMECON	Council For Mutual Economic Assistance (economic Counterpart Of The Warsaw Pact
COMM	Communication
COMMO	Communications Officer
Comms	Communications
COMPUSEC	Computer Security
COMSAT	Communications Satellite Corporation
COMSEC	Communications Security (military)
CONFIG	Configuration
CONUS	Continental United States (48 Contiguous States and DC)
COR	contracting officer representative
COS	Cosine
COS	Chief of Staff
COTR	Contracting Officer Technical Representative
COTS	Commercial Off the Shelf Software
CP	Communications Processor
CP	Central Processor
CP	command post
CPE	Customer Premise Equipment
CPM	Cycles Per Minute
CPO	Chief Petty Officer
CPR	Cost Performance Report
CPS	characters per second
CPU	Central Processing Unit
CPX	Command Post Exercise
CQ	Charge of Quarters
CRAF	Civil Reserve Air Fleet
CRC	Control and Reporting Center (USAF 407L)
CRL	Certificate Revocation List
CRREL	Cold Regions Research and Engineering Laboratory (COE)
CRRES	Combined Release and Radiation Effects Satellite
CRS	Community Relations Service

CRS	Congressional Research Service
CRT	Crisis Response Team
CRT	Cathode Ray Tube (type of TV)
CS	Combat Support
CSA	Chief of Staff of the Army
CSC	Customer Support Center
CSDE	Central Servicing Development Establishment
CSMA/CD	Carrier Sense Multiple Access with Collision Detection
CSOC	Consolidated Space Operations Center
CSP	Communications Support Processor
CSR	Current Situation Room
CSS	Central Security Service
CSS	Combat Service Support
CSSCS	Combat Service Support Control System
CSSE	combat service support element (MAGTF) (US DoD)
CST	Central Standard Time (UTC-6 Hours)
CSTC	Consolidated Space Test Center
CSTVRP	Computer Security Technical Vulnerability Reporting Program
CSU	Channel Service Unit
CTAPS	Contingency Theater Automated Planning System
CTBT	Comprehensive Test Ban Treaty
CTC	Combat Training Center
CTE	Coefficient of Thermal Expansion
CTF	Combined Task Force
CTR	Center
CTRL	Control
CTS	communications technology satellite
CW	Carrier Wave
CW	Chemical Warfare
CW	Continuous Wave
CWC	Chemical Weapons Convention (International Treaty)
CWC	Composite Warfare Commander
CWGC	Commonwealth War Graves Commission
CWO	Chief Warrant Officer
CY	Calendar Year
C²	Command and Control
D	Directive
D	Director
D	Delta
D/A	Digital/Analog
DA	Direct Action
DA	Department of the Army's
DAB	Defense Acquisition Board
DAC	Development Assistance Committee
DAC	Discretionary Access Control
DAD	Dual Air Density
DAE	Defense Acquisition Executive
DAES	Defense Acquisition Executive Summary
DAMA	Demand Assigned Multiple Access
DAP	Designated Acquisition Program

DAR	Defense Acquisition Regulation
DARO	(U.S.) Defense Airborne Reconnaissance Office
DARP	Defense Airborne Reconnaissance Program
DARPA	Defense Advanced Research Projects Agency (US)
DART	Disaster Assistance Response Team
DASC	Direct Air Support Center (USMC)
DASD	Direct Access Storage Device
DAWN	Defense Attache Worldwide Network
DB	Data Base
DBA	Data Base Administrator
DBMS	Data Base Management System
DBOF	Defense Business Operating Fund
DC	Direct Current
DC	District Commissioner
DCA	Defense Communication Agency
DCA	Defense Cooperation Agreements
DCA	Defensive Counter Air
DCAA	(U.S.) Defense Contract Audit Agency
DCAS	Defense Contract Administration Services
DCASR	Defense Contract Administration Services Region
DCE	Data Communication Equipment
DCG	Deputy Commanding General
DCGS	Distributed Common Ground System
DCI	Director of Central Intelligence (DIA)
DCID	Director of Central Intelligence Directive
DCP	Decision Coordinating Paper
DCS	Defense Courier Service
DCS	Deputy Chief of Staff
DCS	Defense Communications System
DCSLOG	Deputy Chief of Staff for Logistics, US Army
DCTN	Defense Commercial Telephone Network
DCTN	Defense Commercial Telecommunications Network
DCU	Data Control Unit
DDC	Defense Documentation Center
DDCMP	Digital Data Communications Message Protocol
DDN	U.S. Defense Data Network
DDRS	Defense Data Repository System
DDS	Defense Dissemination System
DDTE	Director, Defense Test and Evaluation
DEA	Drug Enforcement Administration (U.S. Department of Justice)
DEC	Digital Equipment Corporation
Dept	Department
DERA	Defense Environment Restoration Account
DES	Digital Encryption Standard
DES	Data Encryption Standard
DEW	distant early warning (radar)
DF	Direction Finding or Finder
DF	Disposition Form
DFAS	Defense Finance & Accounting Service
DFD	Data Flow Diagram

DG	Defense Guidance
DGCC	DISA Global Control Center
DIA	Defense Intelligence Agency (USA)
DIAC	Defense Intelligence Analysis Center
DIB	Directory Information Base
DIC	Defense Intelligence College
DID	data item description
DIDS	Defense Integrated Data System
DII	Defense Information Infrastructure
DIMSS	DSN Integrated Management Support System
DINAH	Desktop INterface to AUTODIN Host
DIPEC	Defense Industrial Plant Equipment Center
DIR	Direction Interdépartementale des Routes
DIS	Defense Information System
DIS	Defense Investigative Service
DISA	U.S. Defense Information Systems Agency
DISCO	Defense Industrial Security Clearance Office
DISN	Defense Information Systems Network
DISNET	Defense Integrated Secure Network
DITCO	Defense Information Technology Contracting Office (formerly DECCO)
DLA	U.S. Defense Logistics Agency
DMA	U.S. Defense Mapping Agency
DMA	direct memory access (computer term)
DME	Distance Measuring Equipment
DMS	Data Management System
dmso	Defense Modeling and Simulation Office's
DMSP	Defense Meteorological Satellite Program (U.S.)
DMSS	Defense Meteorological Satellite System
DMZ	Demilitarized Zone
DNA	Defense Nuclear Agency
DNC	Digital Nautical Chart
DND	Department of National Defence
DNS	Domain Name Service
DO	Delivery Order
DOA	dead on arrival
DOB	Date Of Birth
DOC	United States Department of Commerce
DOD	United States Department of Defense
DODD	DoD Directive
DODISS	Department of Defense Index of Specifications and Standards
DOJ	Department of Justice (US)
DOL	United States Department of Labor
DOMSAT	Domestic Satellite
DON	Department Of the Navy
DOS	United States Department of State
DOS	Disk Operating System
DPC	Defense Planning Committee
DPG	Defense Planning Guidance
DPKO	Department of Peacekeeping Operations
DPL	Degausser Products List

DPS	Department of Public Safety
DRAM	Dynamic Random Access Memory (dee-ram) (computing)
DRB	Defense Resources Board
DRC	Data Reduction Center
DREN	Defense Research and Engineering Network
DRS	Data Relay Satellite
DRSN	Defense Red Switch Network
DRU	Direct Reporting Unit
DS	Direct Support
DS	Direct Sequence
DSA	Digital Signature Algorithm
DSA	Directory System Agent
DSAA	(U.S.) Defense Security Assistance Agency
DSARC	Defense Systems Acquisition Review Council
DSB	(U.S.) Defense Science Board
DSCS	U.S. Defense Satellite Communications System
DSI	Defense Simulation Internet
DSN	Deep Space Network - network of large antennas and communication facilities.
DSN	Defense Switched Network
DSNET	Defense Secure Network
DSP	Defense Standardization Program
DSP	Defense Support Program
DSRP	Defense Space Reconnaissance Program
DSS	Decision Support System
DSSCS	Defense Special Security Communications System
DST	Daylight Savings Time
DST	Decision Support Tools
DSU	Direct Support Unit
DSU	Data Service Unit
DT	DEVELOPMENTAL TEST
DT&E	Developmental Test & Evaluation
DTD	Digital Terrain Data
DTD	Directorate of Technical Development
DTD	Data Transfer Device
DTE	Data Terminal Equipment
DTED	Digital Terrain Elevation Data (dee-ted)
DTIC	(U.S.) Defense Technical Information Center
DTM	Data Transfer Module
DTS	Dedicated Transmission Service
DTS	Data Transmission System
DTSS	Digital Topographic Support System
DTU	Data Transfer Unit
DU	Decision Unit
DU	Depleted Uranium
DUA	Directory User Agent
DVI	Digital Video Interactive
DX	Direct Exchange (of Damaged Equipment)
E&I	Engineering & Installation
E-MAIL	Electronic Mail
E3	End-to-End Encryption

EA	Executive Agent
EA	Electronic Attack
EAM	Emergency Action Message
EBS	Emergency Broadcast System
EC	European Community
EC	Electronic Combat
EC	executive committee
EC/EDI	Electronic Commerce/Electronic Data Interchange
ECM	Electronic Counter Measures
ECMC	Enhanced Crisis Management Capability
ECO	Engineering Change Order
ECOWAS	Economic Community of West African States
ECP	Engineering Change Proposals
ECU	Environmental Control Unit (GSM)
EDC	European Defence Community
EDM	Engineering Development Model
EDP	Electronic Data Processing Plc (London Stock Exchange [LSE])
EDW	Enterprise Data Warehouse
EEC	European Economic Community (predecessor of the European Union\|EU)
EELV	Evolved Expendable Launch Vehicle
EEO	Equal Employment Opportunity
EEOC	Equal Employment Opportunity Commission
EFTA	European Free Trade Association (Geneva)
EGA	Enhanced Graphics Adapter
EHF	Extremely High Frequency
EIA	Electronics Industry Association (Adelaide, South Australia, Australia)
EIB	European Investment Bank
EIRP	Effective Isotropic Radiated Power
EKMS	Electronic Key Management System
ELDO	European Launcher Development Organization
ELF	Extremely Low Frequency
ELINT	Electronic Intelligence Satellite
ELT	Emergency Locator Transmitter
ELV	Expendable Launch Vehicle
EM	Electromagnetic
EMC	Electromagnetic Compatibility
EMCON	Electromagnetic Emission Control
EMD	Engineering and Manufacturing Development
EMI	Electro-Magnetic Interference
EMP	Electromagnetic Pulse
EMS	Element Management System (ATM)
EMT	Emergency Medical Treatment
EMT	Extraordinary Masochistic Tendencies (joke At Expense Of Emergency Medical Technicians)
EO	End Office
EO	Equal Opportunity
EO	Executive Order
EOB	Executive Office Building
EOB	Electronic Order of Battle
EOC	Emergency Operating Center
EOD	Explosive Ordnance Disposal

EOS	Earth Observation Satellite
EOSAT	Earth Observation Satellite Co.
EP	Electronic Protection
EPA	Environmental Protection Agency (US)
EPDS	Electronic Processing and Dissemination System
EPIRB	Emergency Position-Indicating Radio Beacon
EPL	Evaluated Products List
EPLRS	Enhanced Position Location Reporting System
EPROM	Erasable Programmable Read-Only Memory
EPS	Encapsulated Postscript
ERA	Equal Rights Amendment
ERAST	Environmental Research Aircraft and Sensor Technology
ERD	Entity-Relationship Diagram
ERDAS	Earth Resources Data Analysis System
ERP	Effective Radiated Power
ERS	Earth Resources Satellite
ERTS	Earth Resources Technology Satellite (now Landsat)
ES	Electronic Support
ES	Expert System
ESA	European Space Agency
ESM	Electronic Support Measures
ESMC	Eastern Space And Missile Center (formerly AFETR)
ESS	Electronic Switching System
ESSM	Evolved Sea Sparrow Missile
est	Estimated Ship Time
EST	Estimated Starting Time
ET	Embedded Training
ETA	Estimated Time of Arrival
ETD	Estimated Time of Departure
ETF	Enhanced tactical fighter
ETL	Endorsed Tools List
ETO	Earth-to-Orbit
ETR	Eastern Test Range (ESME Preferred)
EURATOM	European Atomic Energy Community
EUV	Extreme Ultraviolet Vertical
EUVE	Extreme Ultraviolet Explorer (NASA Satellite)
EW	Electronic Warfare
EW	Early Warning
EWO	Electronic Warfare Officer
EWO	Emergency War Order
EXCOM	Executive Committee
F	Frequency
f	Degrees Fahrenheit
FA	Forward Area
FA	Field Artillery
FAA	Federal Aviation Administration
FAA	Federal Aviation Agency
FAAD	Forward Area Air Defense
FAADS	Forward Area Air Defense System
FAAR	Forward Area Alerting Radar (US)

FAAS	Foreign Affairs Administrative Support
FAO	Food Agriculture Organization
FAPC	Food and Agriculture Planning Committee
FAR	Federal Acquisition Regulation
FAS	Frequency Assignment Subcommittee
FAX	Facsimile
FBI	Federal Bureau of Investigation
FBIS	Foreign Broadcast Information Service
FBM	fleet ballistic missile submarine
FBS	Forward-Based Systems
FC	Fuel Cell
FC	Fire Control
FCC	Federal Communications Commission (US)
FCFS	First Come First Served
FCS	Flight Control System (Subsystem)
fcs	Future Combat System
FCS	Fire Control System
FDC	Fire Direction Center
FDDI	Fiber Distributed Data Interface
FDMA	Frequency Division Multiple Access
FDU	Force Design Update
FDX	Full Duplex
FEA	Front End Analysis
FEBA	Forward Edge of Battle Area
FEMA	Federal Emergency Management Agency
FEP	Front End Processor
FET	Field Effect Transistor
ffp	Firm Fixed Priced
FH	Frequency Hopping
FID	Foreign Internal Defense
FIG	Figure
FIPC	Foreign Intelligence Priorities Committee
FIPS	Federal Information Processing Standard
FISA	Foreign Intelligence Surveillance Act
IOT&E	Initial Operational Test & Evaluation
IP	Internet Protocol
IP	Initial Point
IPB	Intelligence Preparation of the Battlefield
IPC	Industrial Planning Committee
IPDS	Imagery Processing and Dissemination System
IPF	Integrated Processing Facility
IPM	Interpersonal Messaging
IPR	Impulse Response
IPS	Integrated Program Summary
IPSO	Internet Protocol Security Option
IPT	Integrated Product Team
IPX	Internet Packet Exchange
IR	Infrared
IRBM	Intermediate-range ballistic missile
IRDS	Information Resources Dictionary System

IRM	information resource management
IRR	Individual Ready Reserve
IRS	Interface Requirements Specification
IRS	U.S. Internal Revenue Service
ISA	Interservice Support Agreement
ISAR	Inverse Synthetic-Aperture Radar
ISB	Intelligence Systems Board
ISB	Intermediate Staging Base
ISC	United States Army Information Systems Command
ISDN	Integrated Service Digital Network
ISO	Information Systems Office
IT	Information Technology
IU	Interface Unit
IUS	Inertial UPper Stage (was Interim UPper Stage)
IUSS	Integrated Undersea Surveillance System
IVD	Interactive Video Disk
IW	Information Warfare
IWSDB	Integrated Weapon System Data Base
JA	Judge Advocate
JAC	Joint Analysis Center
JAEIC	Joint Atomic Energy Intelligence Committee
JAOC	Joint Air Operations Center
Jcals	Joint Computer-Aided Logistics System
JCMC	Joint Crisis Management Capability
JCS	Joint Chiefs of Staff
JCSE	Joint Communications Support Element
JDA	Joint Deployment Agency
JDAM	Joint Direct Attack Munition (djay-dam)
JDISS	Joint Deployable Intelligence Support System
JEC	Joint Economic Committee
JFACC	Joint Force Air Component Commander
JFC	Joint Force Commander
JFLCC	Joint Force Land Component Commander and Staff
JFMCC	Joint Force Maritime Component Commander
JFSOCC	Joint Force Special Operations Component Commander
JIC	Joint Intelligence Center
JIEO	Joint Interoperability Engineering Organization (DISA)
JIEP	Joint Intelligence Estimate for Planning
JIPTL	Joint Integrated Prioritized Target List
JITC	Joint Interoperability Technology Center
JITC	Joint Interoperability Test Center (DISA)
JMCIS	Joint Maritime Command Information System
JMEM	Joint Munitions Effectiveness Manual
JMETL	Joint Mission-Essential Task List
JMIC	Joint Military Intelligence College
JMIP	Joint Military Intelligence Program
JMNS	Joint Mission Needs Statement
JMTK	Joint Mapping Tool Kit
JOC	joint operations center; joint oversight committee
JOP	Joint Operating Procedure

JOPES	Joint Operation Planning and Execution System
JOTS	Joint Operational Tactical System
JP	Joint Publication
JPAM	Joint Program Assessment Memorandum
JPD	Joint Planning Document
JPEC	Joint Planning and Execution Community
JPL	Jet Propulsion Laboratory (California Institute of Technology) (NASA)
JPO	Joint Project Office
JPOTF	Joint Psychological Operations Task Force
JPRS	Joint Publications Research Service
JPSD	Joint Precision Strike Demonstration
JRMB	Joint Requirements and Management Board
JROC	Joint Requirements Oversight Council
JRTC	Joint Readiness Training Center
JSAN	Joint Staff Automation of the Nineties
JSC	Johnson Space Center (Houston, TX)
JSC	Joint Spectrum Center (formerly ECAC)
JSCP	Joint Strategic Capabilities Plan
JSEAD	Joint Suppression of Enemy Air Defenses
JSIPS	Joint Service Imagery Processing System
JSMB	Joint Space Management Board
JSOTF	Joint Special Operations Task Force
JSPD	Joint Strategic Planning Document
JSPS	Joint Strategic Planning System
JSR	Joint Strategy Review
JSRC	Joint Search and Rescue Center
JSS	Joint Surveillance System
JSTARS	Joint Surveillance and Target Attack Radar System
JSTPS	Joint Strategic Target Planning Staff
jt	Joint
JTA	Joint Table of Allowances
JTA	Joint Technical Architecture
JTC	Joint Technical Committee (USA)
JTCG	Joint Technical Coordinating Group
JTF	Joint Task Force
JTIDS	Joint Tactical Information Distribution System (djay-tidz)
JTR	Joint Travel Regulation
JUMPS	Joint Uniform Military Pay System
JVM	Java Virtual Machine
JWG	Joint Working Groupof
JWICS	Joint Worldwide Intelligence Communications System
JWID	Joint Warrior Interoperability Demonstration
K	Kilo-
KBS	Knowledge-Based System
KDC	Kerberos Key Distribution Center
KEK	Key Encryption Key (COMSEC Key)
KIAS	Knots Indicated Air Speed
KISS	Keep It Simple Stupid
KMP	Key Management Protocol
KMR	Kwajalein Missile Range

KP	Key Processor
KSC	John F. Kennedy Space Center
KSOS	Kernelized Secure Operating System
LAB	Laboratory
LAGEOS	Laser Geodynamic Satellite
LAN	Local Area Network
Landsat	land satellite (photographs of the ground)
LANL	Los Alamos National Laboratory
Lans	Local Area Network System
LAS	Land Analysis System
LASER	Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
LAT	Latitude
LAV	Light Armored Vehicle (non-tactical)
LC	Library of Congress
LCC	Launch Control Center (KSC)
LCD	Liquid Crystal Display
LCM	Life Cycle Management
LD	Low Density
LDC	less-developed country
LDEF	Long Duration Exposure Facility (for Spacecraft Material Testing)
LDR	Low Data Rate
LEA	Law Enforcement Agency
LEAF	Law Enforcement Access Field
LED	law enforcement desk; light emitting diode
LEO	Low Earth Orbit (satellite communications)
LEP	Linear Error Probable
LF	Low Frequency
LF	Launch Facility
LFC	Large Format Camera
LIDAR	Lander Light Detection and Ranging
LIVID	Language Identification and Voice Identification
LIWA	Land Information Warfare Activity
LLNL	The Department of Energy's Lawrence Livermore National Laboratory in Livermore, California
LMI	Layer Management Interface
LMR	Land Mobile Radio
LNA	Low-Noise Amplifier
LNG	Liquefied Natural Gas
LOC	Location Number
LOI	Letter Of Intent
LON	Longitude
LONG	Longitude
LOS	Line Of Sight
LoW	Launch on Warning
LOX	Liquid Oxygen
LPC	Linear Predictive Coding
LPF	Low Pass Filter
LPI	Low Probability of Intercept
LPI	Lines Per Inch
LRC	Logistics Readiness Center
LRIP	Low-Rate Initial Production

LRP	Long-range Plan
LSA	Logistics Support Analysis
LSB	Lower Sideband
LSC	Linear Shaped Charge
LSI	Large-Scale Integration
LST	Local Standard Time
LT	Light
LTBT	Limited Test Ban Treaty
LUT	Limited User Test
LWIR	Long-Wavelength Infrared
LZ	Landing Zone
M&S	Modeling and Simulation
MAA	Mission Area Analysis
MAAP	Master Air Attack Plan
MAC	Message Authentication Code
MAC	Military Airlift Command
MAC	Mandatory Access Control
MAD	Magnetic Anomaly Detector/Detection
MAD	Mutual Assured Destruction
MAD	Message Address Directory
MAG	Magnetic
MAINT	Maintenance
MAIS	Major Automated Information System
MAISRC	Major Automated Information System Review Council
MAN	Metropolitan Area Network
MARAD	Maritime Administration (National Defense Reserve Fleet)
MARECS	Maritime European Communications Satellite
MARS	Military Affiliate Radio System
MARV	Maneuverable Reentry Vehicle
MASDC	Military Aircraft Storage & Disposition Center
MASH	Mobile Army Surgical Hospital
MAST	Mobile Ashore Support Terminal
MAU	Marine Amphibious Unit
MBB	Modular Building Block
MBO	Management by Objective
MBps	Megabytes Per Second
MBT	Main Battle Tank
MC	Military Committee
MC	Mission Capable
MCC	Mission Control Center (JSC)
MCE	Modular Control Equipment
MCEB	Military Communications-Electronics Board
MCS	Message Conversion System
MCS	Master Control Station (VIS, Grumman)
MCS	Maneuver Control System
MCW	Modulated Continuous Wave
MDA	Minimum Descent Altitude
MDAP	Major Defense Acquisition Program
MDC	Manipulation Detection Code
MDR	Medium Data Rate

MDT	Mean Down Time
MDT	Message Distribution Terminal
MDT	Mobile Data Terminal
MDW	Military District of Washington (US Army)
MEB	Marine Expeditionary Brigade (US)
MECO	Main Engine Cutoff
MED	Mediterranean (the region) (START)
MEF	Marine Expeditionary Force (US)
MENA	Middle East (and) North Africa
MEO	Medium-Earth Orbit
MEPS	Military Entrance Processing Station
MERADCOM	Mobility Equipment Research and Development Command (U.S. Army)
METEOSAT	European Geostationary Meteorological Satellite
METL	Mission Essential Task List (mettle)
MEU	Marine Expeditionary Unit (US)
MF	Medium Frequency
MFD	Multi-Function Display
MFI	Multifunction Interpreter
MGR	Manager
MHD	Moving-Head Disk
MHS	Message Handling System (electronic)
MI	Military Intelligence
MIA	Missing In Action
MIB	Management Information Base (ATM)
MIC	Monolithic Integrated Circuit
MIES	Modernized Imagery Exploitation System
MIJI	Meaconing, Intrusion, Jamming and Interference
MIL	Military
MIL STD	Military Standard
MILNET	Military Network
MILS	Missile Impact Location System
MILSTAMP	Military Standard Transportation & Movement Procedure
MILSTAR	MILitary Strategic and Tactical Relay (US)
MILSTD	Military Standard
MINURSO	United Nations Mission for the Referendum in Western Sahara
MIPR	Military Interdepartmental Purchase Request
MIS	Management Information System (OSHA)
MISSI	Multilevel Information System Security Initiative
MITT	Mobile Integrated Tactical Terminal
Mla	Multispectral Linear Array
MLRS	Multiple Launch Rocket System (US)
MLS	Microwave Landing System
MLV	Medium Launch Vehicle
MM	Million
mm	Millimeter
MMIC	Monolithic Microwave Integrated Circuit
MMS	Multimission Modular Spacecraft
MMU	Manned Maneuvering Unit
MMU	Mass Memory Unit
MMW	Millimeter Wave

MNS	Mission Needs Statement
MOA	Memorandum Of Agreement
MOC	Maintenance Operational Check
MOC	Mission Operations Center
MOD	Ministry Of Defence (United Kingdom) And Various Other Countries
MODEM	Modulator-Demodulator
MOE	Measure Of Effectiveness
MOOTW	Military Operations Other Than War (moot-double-you)
MOPS	Million Operations per Second
MOS	Marine Observation Satellite
MOS	Military Occupational Speciality
MOSFET	Metal-Oxide Semiconductor Field-Effect Transistor
MOTIF	Maui Optical Tracking and Identification Facility
MOU	Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
MOUT	Military Operations in Urban Terrain (urban warfare) (US)
MP	Military Police
MPA	Maritime Patrol Aircraft
MPEG	Motion Picture Experts Group
MPP	Massively Parallel Processing/Processor
MROC	Multicommand Required Operational Capability
MS	Master of Science
MSA	Minimum Safe Altitude
MSC	Military Sealift Command
MSC	Major Subordinate Command
MSG	Message
MSIC	Missile and Space Intelligence Center
MSK	Minimum Shift Keying
MSL	Mean Sea Level
MSPB	Merit System Protection Board
Msr	Missile Site Radar
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.
MSS	Multispectral Scanner System
MSS	Mission Support System
MT	Metric Ton
MT	Machine Translation
MTA	Message Transfer Agents (Internet)
MTBCF	Mean Time Between Critical Failures
MTBF	Mean Time Before Failure
MTBMA	Mean Time Between Maintenance Actions
MTCR	Missile Technology Control Regime
MTI	Moving Target Indicator
MTL	Material Technology Laboratory
MTL	Material
MTL	Material Technology Logistics
MTL	Materials Test Loop
MTL	Materials Testing Laboratory
MTMC	Military Traffic Management Command
MTS	Movement Tracking System
MTST	Magnetic Tape Selectric Typewriter
MTT	Mobile Training Team

MTTR	Mean Time To Repair
MUX	Multiplexer
MVS	Multiple Virtual Storage
MVS	Multiple Virtual System
MW	Missile Warning
MW	Microwave
MWC	Missile Warning Center
MX	Mexico
N	North
N-ISDN	Narrowband ISDN
N/A	Not Applicable
NAC	National Agency Check
NAC	North Atlantic Council
NACA	National Advisory Committee for Aeronautics
NAF	Numbered Air Force (US)
NAOC	National Airborne Operations Center
NARA	United States National Archives And Records Administration
NAS	United States National Academy of Sciences
NAS	Naval Air Station
NASP	National Aerospace Plane
NATO	North Atlantic Treaty Organisation
NAV	Navigator
NAVELEX	Naval Electronic Systems Command
NAVNET	Navy Network
NBS	National Bureau of Standards (US)
NC	No Change
NCA	National Command Authority
NCB	Nuclear Contingency Branch
NCIC	National Crime Information Center
NCIS	Naval Criminal Investigative Service (US)
NCR	National Capital Region (Metro Manila)
NCS	net control station (communications)
NCS	National Communications System
NCS	Network Control Station
NCSC	National Computer Security Center (NSA)
NDA	Nondisclosure Agreement
NDIC	National Drug Intelligence Center
NDL	Network Data Language
NDRF	National Defense Reserve Fleet
NEACP	National Emergency Airborne Command Post
NEC	Navy Enlisted Classification
NEL	National Exploitation Laboratory
NEPA	National Energy Policy Act of 1992
NES	Network Encryption System
NESDIS	National Environmental Satellite, Data, and Information Service
NET	New Equipment Training
NETCOM	Network Enterprise Technology Command
NF	no foreign
NFCS	Nuclear Forces Communications Satellite
NFIP	National Foreign Intelligence Program

NFS	Network File System
NG	National Guard
NGA	NATO Guidelines Area
NGB	National Guard Bureau
NGL	Natural Gas Liquid (usually Ethane Or Propane)
NHCD	National HUMINT Collection Directive
NIC	Network Information Center
NICS	NATO Integrated Communications System
NII	National Information Infrastructure (USA)
NIMA	National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency\|NGA)
NIS	NATO Identification System
NIS	Network Information System
NIS	Network Information Service
NIS	National Input Segment
NISAC	National Industrial Security Advisory Committee
NIST	National Institute of Standards and Technology
NITF	National Imagery Transmission Format
NITFS	National Imagery Transmission Format Standard
NIU	Network Interface Unit
NLM	NetWare Loadable Module
NLP	Natural Language Processing
NLT	No Later Than
NM	Nautical Mile
NM	Network Management
NMC	Not Mission Capable
NMCC	National Military Command Center
NMCS	National Military Command System
NMICC	National Military Intelligence Collection Center
NMJIC	National Military Joint Intelligence Center
NMS	National Military Strategy
NMS	Network Management System
NN	Neural Network
NOAA	National Oceanic and Atmospheric Administration (US)
NOC	Network Operations Center
NOR	Notice Of Revision
NOR	Norway
NORAD	North American Air Defense (Command)
NOSC	Naval Ocean Systems Center (replaced by NCCOSC and now SPAWAR Systems Center)
NOSIC	Naval Ocean Surveillance Information Center
NPIC	National Photographic Interpretation Center
NPR	National Performance Review (office)
NRC	National Research Council (Canada)
NRL	Naval Research Laboratory
NRO	U.S. National Reconnaissance Office
NRT	near real time
NS/EP	National Security and Emergency Preparedness
NSA	National Standards Association
NSA	Naval Support Activity
NSA	National Security Agency
NSAD	Network Security Architecture and Design

NSARC	Navy Systems Acquisition Review Council
NSC	National Security Council
NSD	National Security Directive
NSDD	National Security Decision Directive
NSEP	National Security Emergency Preparedness
NSF	National Sanitation Foundation
NSI	National Security Information
NSIA	National Security Industrial Association (now part of NDIA)
NSN	National Stock Number
NSO	Network Security Officer
NSS	National Security Strategy
NSS	National Seismic Station
NSTAC	National Security Telecommunications Advisory Committee
NSW	New South Wales
NSW	Naval Special Warfare
NT	Northern Territory
NTC	National Training Center (USA)
NTCB	Network Trusted Computing Base
NTDS	Naval Tactical Data System
NTIS	National Technical Information Service Technology Administration
NTISSC	National Telecommunications & Information Systems Security Committee
NTZ	No Transgression Zone
NWC	National War College
NWS	National Weather Service (formerly U.S. Weather Bureau)
NZ	New Zealand
O&M	Operation and Maintenance
OA	Office Automation
OAS	Organization of American States
OAU	Organization of African Unity
OBE	Overtaken By Events
OBP	On-Board Processing
OC	Optical Carrier
OCD	Operational Concept Description
OCR	Optical Character Reader
OCR	Optical Character Recognition
oCS	Operational Control Segment
OCS	Officer Candidate School
ODA	Open Document Architecture
ODBC	Open Database Connectivity
ODIF	Open Document Interchange Format
ODS	Open Data Server
OECD	Organization for Economic Cooperation and Development
OEF	Operation Enduring Freedom
OEM	Original Equipment Manufacturer (usually in reference to car parts)
OEU	Operational Evaluation Unit
OIA	Office of Imagery Analysis
OIC	Office in Charge
OIF	Operation Iraqi Freedom
OII	Operations-Intelligence Interface
OJT	On the Job Training

OMV	Orbital Maneuvering Vehicle
ON	Original Negative (film)
ONC	Operational Navigation Chart
ONI	U.S. Navy Office of Naval Intelligence
ONR	Office of Naval Research (U.S.)
OOP	Of an Object Oriented Programming
OOTW	Operations Other Than War (now SSO)
OP	Operator
OP	Operator Panel
OPF	Orbiter Processing Facility
OPIC	Overseas Private Investment Corporation
OPL	Operational
OPM	Office of Personnel Management
OPR	Office of Primary Responsibility
Ops	Operations
OPSEC	Operational Security
ORD	Operational Requirements Documentation
ORG	Organization
ORI	Operational Readiness Inspection
OS	Operating System
OSD	U.S. Office Of The Secretary Of Defense
OSDPE	Office of the Secretary of Defense Program Element
OSE	Open System Environment
OSF	Operations Support Facility
OSF	Open Systems Foundation
OSI	Office of Special Investigations
OSI	Open System Interconnection
OSIS	Ocean Surveillance Information System
OSPF	Open Shortest Path First (ATM)
OSS	Operations Support System
OST	Outer Space Treaty
OSTP	Office of Science and Technology Policy
OT	Overtime
OT&E	Operational Test and Evaluation
OTA	Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
OTC	Officer-in-Tactical Command
OTC	Over The Counter (medications not requiring a prescription)
Otcixs	Officer in Tactical Command Information Exchange Subsystem
OTEA	Operational Test and Evaluation Agency (U.S. Army)
OTEA	United States Army Operational Test and Evaluation Agency
OTH	Over the Horizont
P&L	Production & Logistics
PA	Public Affairs
PAM	Payload Assist Module
PAO	Public Affairs Officer
PAR	Precision Approach Radar
PAR	Perimeter Acquisition Radar
PAT	Process Action Team
PBD	Program Budget Decision
PBX	Private Branch eXchange (company phone system)

PC	Personal computer (host)
PC	Production Control
PCA	Point of Closest Approach
PCM	Pulse-Code Modulation
PCMCIA	Personal Computer Memory Card International Association
PCO	Procuring Contracting Officer
PCS	Permanent Change Of Station. Reassignment To A Different Duty Station.
PCS	Personal Communications Services
PCS	Personal Communications System
PDA	Personal Digital Assistant
PDD	Presidential Decision Directive
PDL	program design language
PDM	Program Decision Memorandum
PDM	Pulse Duration Modulation
PDP	Programmable Data Processor
PDR	Preliminary Design Review
PDS	Post Design Services
PDS	Power Distribution System (Subsystem)
PDU	Protocol data unit (such as segment, packet, frame, etc.)
PE	Program Element
PEO	Program Executive Officer
PERT	Program Evaluation and Review Technique
PFD	Power Flux Density
PFPS	Portable Flight Planning Software
PHS	Public Health Service (U.S.)
PIN	Personal Identification Number
PIP	Project Implementation Plan (AID)
PKC	Public Key Cryptography
PL	Public Law
PLL	Prescribed Load List
PLRS	Position Location Reporting System
PLSS	Precision Location Strike System
PM	Project Manager
PM	Preventive Maintenance
PM	Program Manager
PM	Prime Minister
PMCS	Preventive Maintenance Checks and Services
PME	Professional Military Education
PMIS	Personnel Management Information System
PMO	Program Management Office (US)
PMP	Program Management Plan
PMR	Program Management Review
PMR	Pacific Missile Range
PMS	Project Management System
PMSP	Preliminary Message Security Protocol
PNAF	Prime Nuclear Airlift Force
PNVS	Pilot Night Vision System
POC	Point Of Contact
POC	Proof Of Concept
POC/ET	Proof Of Concept/Experimental Testbed

POES	Polar Orbiting Environmental Satellite
POM	Program Objective Memorandum
POP	Point Of Presence (Internet)
Pos	Position Orientation Systems
POS	Position of Strength
POS	Position
POTS	Plain Old Telephone System
POTUS	President Of The United States. Acronym used by Whitehouse staff. See also FLOFTUS.
POV	Privately Owned Vehicle
POW	Prisoner of war
PPI	Plan Position Indicator
PPL	Preferred Products List
PPM	Pulse Position Modulation
ppm	parts per million
PPP	Point-to-Point Protocol
PPS	Precise Positioning Service
PPS	Post-Production Support
PRB	Program Review Board
PRB	Problem Review Board
PRF	Pulse Repetition Frequency
PRG	Program Review Group
PRI	Pulse Repetition Interval = I/PRF
PRI	Primary Rate Interface (ISDN)
PROG	Program
PROM	Programmable Read-Only Memory
PRT	Personal Rapid Transit
PS	Packet Switch
PSN	Packet Switched Network
PSN	Public Switched Network
PSR	program status review
PSS	Packet Switched Service
PST	Pacific Standard Time (UTC-8 Hours)
PSTN	Public Switched Telecommunications Network
PSTN	Public Switched Telephone Network
PT	Physical Training. Used In The Plural (PTs)
PTP	Point-To-Point
PTP	Paper Tape Punch
PTR	Paper Tape Reader
PTT	Push to Talk Taster
PTT	Push to Talk Technology
PTT	Post Telephone and Telegraph Administration
PTT	Push to Talk Testing
PV	Positive Vetting
PVC	Permanent Virtual Circuit (ATM)
PW	Pulse Width
PW	Prisoner of War
Qa	Center for Quality Assurance in International Education
QBE	Query By Example
QC	Quality Control
QDR	Quadrennial Defense Review

QOL	Quality of Life
QPQ	Quid Pro Quo
QPSK	aeronautical quadrature phase shift keying
QRF	Quick Reaction Force. On standby to react to any situation.
R&D	Research & Development
RAAF	Royal Australian Air Force
RAAP	Rapid Application of Air Power
RAC	Resident Agent in Charge
RAD	Radiation Absorbed Dose
Radar	RAdio Detection And Ranging
RADC	Rome Air Development Center (Now Rome Laboratory)
RADIUS	Remote Authentication Dial-In User Service
RAF	Royal Air Force (U.K.)
RAM	random-access memory
RAM	Rolling Airframe Missile
RB/ER	Reduced Blast/Enhanced Radiation
RC	Reserve Component
RCC	Rescue Coordination Center
RCC	Regional Control Center
RCMP	Royal Canadian Mounted Police
RCS	Radar Cross Section
RCV	Receive
RDBMS	Relational Data Base Management System (Oracle)
RDD	required delivery date (at destination)
RDJTF	Rapid Deployment Joint Task Force (US)
RECC	Regional Emergency Communications Coordinator
REDCOM	Readiness Command
REMIS	Reliability & Maintainability Information System
RF	Radio Frequency
RFE	Radio Free Europe
RFI	Request For Information. Sales department shorthand. Special priority when use in conjunction with RFN (see below).
RFI	Radio Frequency Interference
RFP	Request For Proposal
RFPI	Rapid Force Projection Initiative
RFS	Request For Service
RGB	red-green-blue (signal)
RI	Routing Indicator
RIO	Radar Intercept Officer (US Navy)
RIP	Routing Information Protocol
RISC	Reduced Instruction Set Computer
RLA	Repair-Level Analysis
RLG	Ring Laser Gyro
RM	Requirements Management
RM	Resource Management
RMS	Remote Monitoring System
RN	Royal Navy
RNAV	Random Navigation Area Navigation
RNP	Required Navigation Performance
RO	Receive Only
ROC	Required Operational Capability

ROC	Regional Operations Center (NATO)
ROK	Republic Of Korea
ROM	Read-Only Memory
ROTHR	Relocatable Over-The-Horizon Radar
RPG	Report Program Generator
RPV	Remotely Piloted Vehicle
RRF	Ready Reserve Force
RSO	Range Safety Officer
RSSAC	Root Server System Advisory Committee
RSTN	Radio Solar Telescope Network
RT	Real Time (R/T Preferred)
RTS	Remote Tracking Station
RUP	Rational Unified Process
RWR	Radar Warning Receiver
Rx	Receive
S	Secret
s&t	Directorate for Science and Technology
sa	Secretary of the Army's
SA	Situation(al) Awareness
SA	Special Agent
SA	Security Assistance
SAC	Strategic Air Command
SACS	Secure Access Control System
SAG	Surface Action Group
SALT	Strategic Arms Limitation Talks
SAMSO	Space And Missile System Organization
SAMTO	Space And Missile Test Organization
SAP	Special Access Program
SAR	synthetic aperture radar (satellite)
SAR	Search And Rescue
SAW	Squad Automatic Weapon
SB	Service Bulletin
SBCT	Stryker Brigade Combat Team
SBI	Special Background Investigation
SBIR	Small Business Innovation Research
SBU	Sensitive But Unclassified
SCC	Space Control Center
SCF	Satellite Control Facility
SCI	Sensitive Compartmented Information
SCI	Special Compartmented Information
SCIF	Sensitive Compartmented Information Facility
SCN	Specification Change Notice
SCPC	single channel per carrier
SCS	Security Control System
SDD	Software Design Document
SDD	Secure Data Device
SDHS	Satellite Data Handling System
SDI	Strategic Defense Initiative
SDIO	Strategic Defense Initiative Organization
Sdis	Switched Digital Integrated Service

SDLC	Software development life cycle
SDLC	Synchronous Data Link Control
SDNS	Secure Data Network System
SDP	Service Delivery Point
SDR	System Design Review
SDS	Satellite Data System
sead	Suppression of Enemy Air Defense
SEC	Second
SECT	Section
SEI	Specific Emitter Identification
SEMA	Special Electronic Mission Aircraft
SEMP	Systems Engineering Management Plan
SES	Senior Executive Service
SF	Standard Form
SF	Special Forces
SHADE	Shared Data Environment
SHAPE	Supreme Headquarters Allied Powers Europe (NATO)
SHF	Super High Frequency
SI	Special Intelligence
SIC	Subject Indicator Code
SID	Secondary Imagery Dissemination
SIG	Signal
SIL	Systems Integration Laboratory
SIMM	Single Inline Memory Module
SIP	Site Implementation Plan
Siprnet	Secret Ip Router Network
SIR	Shuttle Imaging Radar
SJA	Staff Judge Advocate
SL	Sea Level
SLAM	Standoff Land Attack Missile (Navy)
SLAR	Side-Looking Airborne Radar
SLAT	Supersonic Low-Altitude Target
SLC	Space Launch Complex
SLEP	Service Life Extension Program
SLFCS	Survivable Low Frequency Communications System
SLIP	Serial Line Interface Protocol
SLV	Space Launch Vehicle
Sm	System Management
SMB	Suck My Balls
SMC	System Management Center
SMDs	Switched Multimegabit Data Service (ATM)
SME	Subject Matter Expert
SMH	Society for Military History
SMILS	Sonobuoy Missile Impact Location System
SMLM	Soviet Military Liaison Mission
SNA	System Network Architecture
SNAFU	Situation Normal All Fouled Up
SNMP	Simple Network Management Protocol (ATM)
SO/LIC	Special Operations/Low Intensity Conflict
SOC	Special Operations Command

SOC	Special Operations Capable
SOF	Special Operations Force(s)
SOL	Solenoid
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.")
SONET	Synchronous Optical Network
SOON	Solar Observing Optical Network
SOP	standing operating procedure
SOPS	Standard Operating Procedures
SORD	System Operational Requirements Document
SORTS	Status of Resources and Training System
SOTF	Security Operations Training Facility
SOW	Statement Of Work
SPI	Surface Position Indicator
SPIRIT	(TROJAN) Special Purpose Integrated Remote Intelligence Terminal
SPM	System Program Manager
SPM	Software Programmer's Manual
SPOT	Satellite Pour l'Observation de la Terre (France)
SPR	Strategic Petroleum Reserve (US)
SPS	Standard Positioning Service (GPS)
SPS	Software Product Specification
SQ	Square
SQL	Standard Query Language
SQL	Structured Query Language
SRAM	Short Range Attack Missile
SRD	System Requirements Document
srs	Software Requirements Specifications
SSAN	Social Security Account Number
SSB	Single SideBand
SSCI	Senate Select Committee on Intelligence
SSL	Secure Socket Layer
SSMA	Spread-Spectrum Multiple Access
SSN	Social Security Number
SSO	Special Security Office
SSR	secondary surveillance radar (ICAO/FAA)
sss	Systems Science and Software
sst	States Supersonic Transport
SST	Safe Secure Transport
SSTO	Single-Stage-to-Orbit
st&e	Security Test and Evaluations
STACCS	Standard Theater Army Command and Control System
STAR	System Threat Assessment Report
STC	Sensitivity Time Control
STD	Standard
STIG	Security Technical Implementation Guide
STP	Software Test Plan
STP	Space Test Program
STR	Software Test Report
STS	Space Transportation System
STT	Small Tactical Terminal
STU	Secure Telephone Unit

STX	Situational Training Exercise
SUM	Software User's Manual
SUPT	Superintendent
SVC	Switched Virtual Circuit (ATM)
SVD	Software Version Description
SVGA	Super Video Graphics Adapter
SVIP	Secure Voice Improvement Program
SW	Software (SFTWE Preferred)
SW	Switch
SWC	Space Warfare Center
SWC	Shield, Space Warfare Center
SWE	Sweden
SWO	Staff Weather Officers
SYS	System
T/R	Transmitter/Receiver
TA	Terrain Avoidance
TAA	Total Army Analysis
TAC	Terrain Analysis Center
TAC	Tactical Air Command (U.S. Air Force bases) (now ACC)
TAC	Terminal Access Controller
TACC	Tanker Airlift Control Center (USAF AMC)
TACC	Tactical Air Control Center (USN, UK)
TACP	Tactical Air Control Party
TACS	Theater Air Control System
TACS	Tactical Air Control System
TAD	Theater Air Defense
TADIL	Tactical Digital Information Link
TADIL	Tactical Data Information Link
TADS	Target Acquisition and Designation System (US)
TAE	Transportable Applications Executive (a computer user interface)
TAFIES	Tactical Air Force Intelligence Exploitation System
TAIS	Tactical Airspace Integration System
TAMMS	The Army Maintenance Management System
TAMPS	Tactical Aircraft Mission Planning System
TAOC	Tactical Air Operations Center
tarps	Tactical Air Reconnaissance Pod System
TASO	Terminal Area Security Officer
TAV	Total Asset Visibility
TBA	To Be Announcede
TBD	To Be Determined
TBM	Theater Ballistic Missile
TBM	Theater Battle Management
TBMD	Theater Ballistic Missile Defense
TBO	Time Between Overhaul
TCB	Trusted Computing Base
TCC	Telecommunications Center
TCF	Technical Control Facility
TCP	Transmission Control Protocol
TCP/IP	transmission control protocol/internet protocol
TCSEC	Trusted Computer System Evaluation Criteria

TD	Technical Directive
TDA	Table of Distribution and Allowances
TDM	Time Division Multiplexer
TDMA	Time Division Multiple Access
TDRSS	Tracking and Data Relay Satellite System
TDY	temporary duty (non-unit-related personnel)
TEC	US Army Topographic Engineering Center
TED	Trunk Encryption Device
TEG	Tactical Exploitation Group (Navy's Joint Service Imagery Processing System)
TEHO	Tail-End-Hop-Off
TEK	Traffic Encryption Key
TELCO	Telephone Company
TEMP	Test and Evaluation Master Plan
TERPES	Tactical Electronic Reconnaissance Processing and Evaluation System
TF	Task Force
TFM	Trusted Facility Manual
TG	Task Group
TI	Tactical Internet
TIARA	Tactical Intelligence And Related Activities
TIBS	Tactical Information Broadcast System
TIM	Technical Interchange Meeting
TIROS	Television InfraRed Observation Satellite (POES)
TIRS	Thermal Infrared Scanner
TIS	Tactical Input Segment (JSIPS)
tlam	Tomahawk Land Attack Missiles
TLE	Target Location Error
TM	Technical Manual
TM	Technical Monitor
TMB	Technical Management Board
TMD	Theater Missile Defense
TMDE	Test Measurement and Diagnostic Equipment
TMPC	Theater Mission Planning Center
TNI	Trusted Network Interpretation
TO	Task Order
TO	Technical Order
TOA	Time Of Arrival
TOC	Tactical Operations Center. Usually pronounced ‘tock.’ Where command elements are primarily located.
TOE	Table of Organization and Equipment
TOR	Tentative Operational Requirement
TOR	terms of reference (ICAO/FAA)
TOVS	TIROS Operational Vertical Sounder
TPN	Tactical Packet Network
TPS	Thermal Protection System
TQM	Total Quality Management
TR	Transportation Request
TRB	Technical Review Board (MRR)
TRE	Tactical Receive Equipment
TREE	Transient Radiation Effects on Electronics
TRIXS	Tactical Reconnaissance Intelligence Exchange System
TRSS	Tactical Remote Sensor System

TS	Top Secret
Tsc	Tactical Support Center (formerly ASWOC)
TSC	Training Support Center
TSK	Transmission Security Key
TSM	TRADOC System Manager
TSO	Telecommunications Service Order
TSP	Telecommunications Service Priority
TSS	Timesharing System
TTBT	Threshold Test Ban Treaty
TTPI	Trust Territory of the Pacific Islands
TTY	Teletype Telex Machine
TV	Television
TWT	Traveling Wave Tube
TWTA	Traveling Wave Tube Amplifier
U/C	Undercarriage
UA	User Agent
UA	Unit of Action
UAE	United Arab Emirates
UAV	Unmanned Aerial Vehicle
UCMJ	Uniform Code of Military Justice
UFO	Unidentified Flying Object
UHF	Ultra High Frequency (300-3000 MHz; 1m-10cm)
UIC	Unit Identification Code
Uk	United Kingdom of Great Britain and Northern Ireland
UNAMIR	United Nations Assistance Mission for Rwanda
UNC	United Nations Command
UNDP	United Nations Development Program
UNGA	United Nations General Assembly
Unhcr	United Nations High Commissioner for Refugees Program
UPI	United Press International
UPS	Uninterruptible Power Supply
UPS	Uninterruptible Power System
UPT	Universal Personal Telecommunications
URD	User Requirements Document
USA	United States Army
USAF	United States Air Force
USAID	United States Agency for International Development
USAMCC	United States Army Meteorology and Calibration Center
USAR	United States Army Reserve
USAREUR	United States Army European Command
USB	Upper Sideband
USC	United States Code (book of laws)
USCG	United States Coast Guard
USCMH	United States Commission on Military History
USCS	United States Customs Service
USDA	United States Department of Agriculture
USG	United States Government
USGS	United States Geological Survey (DOI)
USIA	United States Information Agency (changed To IIP)
USMA	United States Military Academy

USMTF	United States Message Text Format
USN	United States Navy
USNA	United States Naval Academy
usps	United States Postal Services
USS	United States Ship
USSS	United States Secret Service
UTM	Universal Transverse Mercator (geographical Co-ordinate System)
UV	Ultra Violet
UWB	Ultra Wide-Band
V	Vertical
VA	Veterans Administration
VAC	Volts, Alternating Current
VAFB	Vandenberg Air Force Base
VAR	Variable
VAX	Virtual Address Extension
VBR	Variable Bit Rate (ATM)
VCR	video cassette recorder/player
VDT	Video Display Terminal
VDU	Video Display Unit
VERT	Vertical
VF	Voice Frequency
VHF	Very High Frequency
VHS	Video Home System
VHSIC	Very High-Speed Integrated Circuit
VIN	vehicle identification number (US) (transportation)
VIP	Very Important Person
VLF	Very Low Frequency
VLS	Vertical Launch System
VLSI	Very Large-Scale Integration
VM	Virtual Memory
VMS	Virtual Memory System
VOIP	Voice Over IP (Internet Protocol)
VOL	Volume
VOR	VHF Omnidirectional Range
VPF	Vector Product Format
VPN	Virtual Private Network (ATM)
VR	Virtual Reality
VRD	Virtual Retinal Display
VSAT	Very Small Aperture Terminal (satellite service)
VT	Video Terminal
VT	Virtual Terminal
VTS	Vandenberg Tracking Station (AFSCN)
WA	Western Approaches
WAC	World Aeronautical Chart
WAN	Wide Area Network
WARC	World Administrative Radio Conference
WB	Wideband
WBS	Work Breakdown Structure
WEFAX	Weather Facsimile
WFC	World Food Council

WFOV	Wide Field Of View
WFP	World Food Program
WG	Working Group
WGS	World Geodetic System
WHCA	White House Communications Agency
WMD	Weapons of mass destruction
WO	Washington Office
WP	Word Processing
WPC	Word Processing Center
WPM	speech--words per minute
WR	Western Range
WRM	War Reserve Materiel
WS	Workstation
WSMC	Western Space and Missile Center
WSMCR	Western Space and Missile Center Regulation
WSMR	White Sands Missile Range (whiz-murr)
WWIMS	Worldwide Warning Indicator Monitoring System
WWMCCS	Worldwide Military Command and Control System (obsolete)
Wwols	World Wide on-Line System
WWW	World Wide Web
XA	Extended Architecture (MVS)
XMIT	Transmit
XO	Executive Officer
YAG	Yttrium Aluminum Garnet
Z	Zulu (Greenwich mean time)