List of acronyms and initialisms: A

(Main list of acronyms and initialisms)

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a - (s) Atto
A - (s) Ampere

A0-9

A2ATD or A²ATD - (i) Anti-Armour Advanced Technology Demonstration
A2C2 or A²C² - (i) Army Airspace Command and Control
A4 - many, including a European standard office paper size; see entry

AA

aA - (s) Attoampere
AA - (i) Achieved Availability - Alcoholics Anonymous - (s) Armed Forces Americas (postal symbol) - Aruba (FIPS 10-4 territory code) - (i) Assembly Area - Automobile Association- Avenue of Approach
AAA - (i) Administration, Authorization, and Authentication - American Automobile Association ("Triple-A") - Anti-Aircraft Artillery
AAAAA - (i) American Association Against Acronym Abuse (joke acronym)
AAAAAA - (i) Association for the Abolition of Abused Abbreviations and Asinine Acronyms (joke acronym)
AAAAAAAAAAAAAA - (i) American Amateur Applied Arts Academy Association Against Absurd And Asininely Artificial Alliterative Acronyms Award (joke acronym)
AAAI - (i) American Association for Artificial Intelligence
AAAS - (i) American Association for the Advancement of Science
AAAV - (i) Advanced Amphibious Assault Vehicle
AAC - (i) Army Air Corps (British Army)
AAD - (i) Analogue-Analogue-Digital (CD quality) - Australian Antarctic Division
AADT - (i) Annual Average Daily Traffic flow
AADAC - (a) Alberta Alcohol and Drug Abuse Commission
AADC - (i) Area Air Defence Commander
AAFC - (i) U.S. Army Air Corps Ferrying Command (1941-1942)
AAFES - (i) Army and Air Force Exchange Service
AAI - (i) Applied Artificial Intelligence, Inc.
AAIS - (i) Advanced Airborne Interceptor Simulator
AAM - (i) Air-to-Air Missile
AAN - (i) American Academy of Nursing
AANEAS - (a) Anglo-Australian Near-Earth Asteroid Survey
AAODL - (i) Atmospheric Aerosols and Optics Data Library
AAP - (i) Advanced Acquisition Plan - Allied Administrative Publication - American Academy of Pediatrics
AAPC - (i) Accounting and Auditing Policy Committee
AAR - (i) After-Action Review - Association of American Railroads
AARP - (i/s) American Association of Retired Persons (now officially known only by the initials)
AAS - (i) Advanced Automation System - American Astronomical Society ("double-A-S")
AASPEM - (i) Advanced Air-to-air System Performance Evaluation Model
AAT - (i) Australian Antarctic Territory
AAV - (i) Amphibious Assault Vehicle
AAWC - (i) Anti-Air Warfare Commander

AB

AB - (i) Able Seaman - (s) Alberta (postal symbol)
ABA - (i) American Bar Association - American Basketball Association - American Beverage Association - American Bicycle Association - American Birding Association - Australian Broadcasting Authority
ABB - (i) ASEA Brown Boveri (Swiss-Swedish multinational company)
ABBA - (a) Agnetha, Benny, Björn, Anni-Frid (Swedish pop group)
ABC - (i) Abstinence, Be faithful, Condoms - Active Body Control - Alcoholic Beverage Commission - Alien Big Cat - Always Be Careful - American Bird Conservancy - American-Born Chinese - American Broadcasting Company - Anti-lock Brake Controller - Associated British Corporation - Atanasoff-Berry Computer - Atlantic Baptist College - Atomic Biological Chemical (see NBC) - Australian Broadcasting Corporation
ABCA - (i) American Border Collie Association - American, British and Canadian Armies (originally) - Attorney's Bankruptcy Coordination Assistance
ABCS - (i) (U.S.) Army Battle Command System
ABET - (a) Accreditation Board for Engineering and Technology
ABFIST – (i) Advanced Bradley Full Crew Interactive Skills Trainer
ABIN - (a) Agência Brasileira de Inteligência (Brazilian Intelligence Agency)
ABL - (i) American Basketball League
ABLE - (a) AirBorne Law Enforcement (police air support unit)
ABM - (i) Anti-Ballistic Missile - Asynchronous Balanced Mode - Automated Banking Machine
ABMC - (i) American Battle Monuments Commission
ABN - (i) Australian Business Number (a number issued by the Australian government as registration of a business and used for taxation purposes)
ABPI - (i) Association of the British Pharmaceutical Industry
ABRSM - (a) Associated Board of the Royal Schools of Music
ABS - (i) acrylonitrile butadiene styrene - Anti-lock Braking System
ABSTRIPS - (p) Abstraction-Based STRIPS
ABW - (s) Aruba (ISO 3166 trigram)

AC

aC - (s) Attocoulomb
Ac - (s) Actinium
AC - (i) Adriamycin-Cyclophosphamide (chemotherapy) - Air Conditioning - Alternating Current - ante Christum (Latin, "before Christ"; see BC) - ante cibum (Latin, "before meals") - (s) Antigua and Barbuda (FIPS 10-4 country code) - (i) Associazione Calcio (Italian, "football (soccer) club") - Altocumulus
A/C - (i) Air Conditioned/Conditioning - Aircraft
ACA - (i) Airspace Control Authority - Airspace Co-ordination Area - A Current Affair
ACARS - (a) Aircraft Communication Reporting System
ACAS - (a) Aboriginal Children's Advancement Society - Advisory, Conciliation and Arbitration Service
ACC - (i) U.S. Air Combat Command - Air Component Commander - Altocumulus castellanus - Atlantic Coast Conference - Automatic Climate Control
ACCA - (i) Automatic Cloud Cover Assessment
ACCD - American Coalition of Citizens with Disabilities
ACCAC - (a) Awdurdod Cymwysterau, Cwricwlwm ac Asesu Cymru (Qualifications, Curriculum and Assessment Authority for Wales)
ACCS - (i) Air Communications and Control Squadron
ACDA - (i) Arms Control & Disarmament Agency
ACE - (a) Air Combat Emulator (computer game) - Allied Command Europe - Armored Combat Earthmover - Automatic Computing Engine
ACES - (a) Aerolineas Centrales de Colombia
ACF - (i) American Car and Foundry - American Culinary Federation - Administration for Children and Families
ACHT - (i) Average Call Hold Time
ACID - (a) Atomicity, Consistency, Isolation, and Durability (in databases)
ACINT - (p) Acoustic Intelligence
ACK - (p) Acknowledge (telecommunications; cf. NAK)
ACL - (i) Access Control List - Anterior Cruciate Ligament
ACLOS - (i) Automatic CLOS (missile control system)
ACLS - (i) Alternate Crops and Systems Lab
ACLU - (i) American Civil Liberties Union
ACM - many, including Association for Computing Machinery; see entry
ACMC - (i) (U.S.) Assistant Commandant of the Marine Corps
ACN - (i) Airborne Communications Node - Australian Company Number (number issued by the Australian government as registration of a limited liability company)
ACO - (i) Airspace Control Order
ACOG - (a) American College of Obstetricians and Gynecologists
ACOM - (p) (U.S.) Atlantic Command
ACORN - (a) Association of Community Organizations for Reform Now
ACP - (i) Air Control Point
ACR - (i) Advanced Concepts and Requirements
ACRI - (p) African Crisis Initiative
ACS - (i) Affiliated Computer Services (NYSE ACS) - American Cancer Society - American Chemical Society - Association of Caribbean States
ACSC - (i) Army Command and Staff College (various nations)
ACT - (i) Adaptive Control of Thought (cognitive model) - Australian Capital Territory (postal symbol)
ACTD - (i) Advanced Concept Technology Demonstration
ACTF - (i) Australian Children's Television Foundation - (U.S.) Army Constructive Training Federation
ACT-R - (i) ACT-Rational (cognitive model)
ACT-R/PM - (i) ACT-R/Perceptual-Motor (cognitive model)
ACTU - (i) Australian Council of Trade Unions
ACV - (i) Armoured Combat Vehicle

AD - (i) Air Defence - (s) Andorra (ISO 3166 digram) - (i) Anno Domini (Latin, "In the year of our Lord")
A/D - (i) Analog/Digital
ADA - (i) Air Defence Artillery - American Dental Association - Assistant District Attorney - Americans with Disabilities Act (see also the similar but non-acronymic Ada programming language)
ADAGE - (a) Air Defense Air to Ground Engagement (simulation)
ADAS - (a/i) Asiago-DLR Asteroid Survey
ADAT - (i) Alesis Digital Audio Tape (recording format)
ADatP - (p) Automated Data Processing
ADATS - (i) Agricultural Development and Training Society - Air Defence Anti-Tank System - Australian Defence Air Traffic System
ABD - (i) Asian Development Bank
ADC - (i) Aide De Camp - U.S. Air Defense Command (1946-1992) - Apple Display Connector - Program Against Digital Counterfeiting of Currency
ADCTS - (i) Advanced Distributed Combat Training System
ADD - (i) Analog Digital Digital (CD quality) - Attention-Deficit Disorder - Administration on Developmental Disabilities
ADDNS - (i) Advanced Deployable Day/Night Simulation
ADF - (i) Australian Defence Force - African Development Foundation
ADHD - (i) Attention-Deficit Hyperactivity Disorder
ADHS - (i) Attention-Deficit Hyperactivity Syndrome
ADI - (i) Acceptable/Allowable Daily Intake
ADIZ - (a/i) Air Defence Identification Zone
ADL - (i) Anti-Defamation League
ad loc. - (p) ad locum (Latin, "to/at the place")
ADM - (i) Administrative - (s) - Full Admiral (four stars) in the U.S. Navy, the U.S. Coast Guard, and the U.S. Public Health Service Commissioned Corps - Archer Daniels Midland - Assistant Deputy Minister
ADOA - (a/i) Air Defence Operations Area
ADP - (i) Adenosine DiPhosphate - Army Doctrine Publication (UK, Canada, Australia) - Automatic/Automated Data Processing
ADRG - (p) Arc-second Raster Chart (ARC) Digitized Raster Graphics
ADS - (a/i) Astrophysics Data System - Attention Deficit Syndrome
ADT - (i) Atlantic Daylight Time (UTC-3 hours)
ADTB - (i) Army Doctrine and Training Bulletin
adv. - (p) adversus (Latin, "against")
ADW - (i) Air Defence Warning

AE

AE - (s) Armed Forces Africa/Canada/Europe/Middle East (postal symbol) - United Arab Emirates (ISO 3166 digram; FIPS 10-4 country code)
AEF - (i) American Expeditionary Force
AEGIS - (p) Airborne Early warning Ground environment Interface Segment (fake etymology)
AEI-T - (i) Army Enterprise Infostructure-Transport
aeq. - (p) aequalis (Latin, "equal")
AESR - (i) Aeronautical Equipment Service Record
aet. - (p) aetatis (Latin, "of age", "aged")
aet - (i) After extra time (Football)
AEW - (i) Airborne Electronic Warfare - Airborne Early Warning

AF

aF - (s) Attofarad
AF - (s) Afghanistan (FIPS 10-4 country code; ISO 3166 digram) - (i) Air Force
AFA - (i) U.S. Air Force Academy
AFAIC - (i) As Far As I'm Concerned
AFAICT - (i) As Far As I Can Tell
AFAIK - (i) As Far As I Know
AFAIR - (i) As Far As I Remember/Recall
AFATDS - (i) Advanced Field Artillery Tactical Data System
AFC - (i) American Football Conference - Asian Football Confederation
AFCEA - (i) Armed Forces Communications and Electronics Association
AFDB - (i) African Development Bank
AFG - (s) Afghanistan (ISO 3166 trigram)
AFI - (s) French Territory of the Afars and Issas (ISO 3166 trigram; obsolete since 1977)\
AFIS - (a) Automated Fingerprint Identification System - American Forces Information Service
AFIST - (i) Abrams Full Crew Interactive Skills Trainer
AFJ - (i) April Fool's Joke
AFK - (i) Away From Keyboard (Internet chat abbreviation)
AFL - (i) American Federation of Labor - American Football League - Arena Football League - Australian Football League
AFL-CIO - (i) American Federation of Labor - Congress of Industrial Organizations
AFM - (i) Army Field Manual (UK; the U.S. more frequently uses just FM) - Atomic Force Microscope - Aviation Fleet Maintenance
AFOSR - (i) U.S. Air Force Office of Scientific Research
AFQT - (i) Armed Forces Qualification Test
AFRC - (i) Air Force Reserve Command
AFRL - (i) Air Force Research Laboratory
AFROTC - (i) Air Force Reserve Office Training Corps
AFRRI - (i) (U.S.) Armed Forces Radiobiology Research Institute
AFRTS - (i) Armed Forces Radio and Television Service
AFS - (i) Active Front Steering - Air Facility Sub-System
AFS&A or AFSA - (i) U.S. Air Force Studies and Analysis
AFSC - (i) U.S. Air Force Staff College (obsolete; replaced with JFSC). - U.S. Air Force Systems Command
AFSCN - (i) U.S. Air Force Satellite Control Network
AFSPC - (i) Air Force Space Command
AFV - (i) Armoured Fighting Vehicle
AFYA - (i) Anything to Fool Young Andy. Acronym that's real meaning is hidden.

AG

ag - (s) Attogram
Ag - (s) Silver (Latin argentum)
AG - (i) Aktiengesellschaft (German, "incorporated") - (s) Algeria (FIPS 10-4 country code) - Antigua and Barbuda (ISO 3166 digram)
AGA - (a/i) AB Gas-accumulator ("ah-gah", Swedish company) - Advanced Graphics Architecture
AGARD - (a) Advisory Group for Aerospace Research and Development
AGARDograph - (p) Advanced Guidance for Alliance Research and Development publication
AGB - (i) Internal Nintendo initialism (Advanced Game Boy) for Game Boy Advance
AGC - (i) Apollo Guidance Computer - Automatic Gain Control
AGC - (i) Adjutant General's Corps (British Army)
AGDC - (i) Australian Game Developers' Conference
AGI - (i) Auxiliary Group Intelligence
AGL - (i) Above Ground Level
AGM - (i) Annual General Meeting
AGO - (s) Angola (ISO 3166 trigram)
AGP - (i) Accelerated Graphics Port
AGRICOLA (a) Agriculture Online Access
AGS - (i) Alaska Ground Station (LandSat)
AGTS - (i) Advanced Gunnery Training System
AGU - (i) American Geophysical Union
AGW - (i) Autonomous Guided Weapon

AH

aH - (s) Attohenry
AH - (i) Attack Helicopter
AHA - (i) American Heart Association
AHCPR - (i) Agency for Health Care Policy and Research (obsolete; replaced with AHRQ)
AHPCRC - (i) Army High Performance Computing Research Center
AHRQ - (i) Agency for Healthcare Research and Quality
AHS - (i) American Housing Survey

AI

AI - (i) Air Interdiction - (s) Anguilla (ISO 3166 digram) - (i) Amnesty International - Artificial Insemination - Artificial Intelligence
AIA - (i) Aerospace Industry Association - (s) Anguilla (ISO 3166 trigram)
AIAA - (i) American Institute of Aeronautics and Astronautics
AIC - (i) African Independent Church
AICMFP - (i) And I Claim My Five Pounds
AID - (i) U.S. Agency for International Development
AIDS - (a) Acquired Immune Deficiency Syndrome
AIM - many, including AOL Instant Messenger; see entry
AIMP - (i) Aurora Incremental Modernization Project
AIPAC - (i) American Israel Public Affairs Committee
AIR - (i) Aircraft Inventory Record
AIRS - (a/i) Aerometric Information Retrieval System (obsolete; replaced with AFS)
AISB - (i) (British Society for the Study of) Artificial Intelligence and the Simulation of Behaviour

AJ

aJ - (s) Attojoule
AJ - (s) Azerbaijan (FIPS 10-4 country code)
Ajax - (a) Asynchronous JavaScript And XML
AJD - (i) Astronomical Julian Day
AJP - (i) Allied Joint Publication

AK

aK - (s) Attokelvin
AK - (s) Alaska (postal symbol)
a.k.a. - (i) also known as
AKDT - (p) Alaska Standard Daylight Saving Time (UTC-8 hours)
AKST - (p) Alaska Standard Time (UTC-9 hours)

AL

aL - (s) Attolitre
Al - (s) Aluminium
AL - (s) Alabama (postal symbol) - Albania (FIPS 10-4 country code; ISO 3166 digram) - (i) Anno Lucis (Latin, "Year of Light", in Masonic tradition, most often seen on plaques bearing the founding dates of buildings, in years AD and years AL)
ALA - (s) Åland Islands (ISO 3166 trigram)
ALAP - (a) As Long/Late As Possible
ALARM - (a) Air-Launched Anti-Radar Missile
ALB - (s) Albania (ISO 3166 trigram)
ALD - (i) Accounting Line Designator (nuclear weapon targeting)
ALERT - (a) Advanced Linked Extended Reconnaissance and Targeting - Attack and Launch Early Reporting to Theatre
ALF - (a) Africa Leadership Forum - Alien Life Form - Animal Liberation Front
ALGOL - (p) ALGOrithmic Language
ALOC - (a) Air Lines Of Communication
ALOC - (a) Average Length of Call
ALS - (i) Amyotrophic Lateral Sclerosis - Automatic Landing System
ALSP - (i) Aggregate Level Simulation Protocol
ALTE - (a) Association of Language Testers in Europe
ALTACS - (p) Automated decision Logic Tactical Air Combat Simulation

AM

am - (s) Attometre
Am - (s) Americium
AM - many, including Amplitude Modulation and ante meridiem; see entry - (s) Armenia (FIPS 10-4 country code; ISO 3166 digram)
AMA - (i) American Medical Association
AMAPS - (a) Aircraft, Missile, Avionics Performance Simulation
AMC - (i) Adaptive Modulation and Coding (digital communications) - U.S. Air Mobility Command - American Motors Corporation - U.S. Army Materiel Command
AMCB - (i) U.S. Army/Marine Corps Board
AMD - (i) Advanced Micro Devices (U.S. company)
AMF - (i) Afghan Military Force(s)
AMFOM - (i) Advanced Missile Fly Out Model ("am-fomm")
AMLCD - (i) Active Matrix Liquid Crystal Display
AMO - (i) Atlantic Multidecadal Oscillation
AMOS - (a) Advanced MOrtar System - Air Force Maui Optical and Supercomputing observatory
AMP - (i) Adenosine MonoPhosphate - Automated Mission Planner
AMRAAM - (a) Advanced Medium-Range Air-to-Air Missile
AMRDEC - (i) U.S. Aviation & Missile Research, Development, & Engineering Center
AMS - (i) Agriculture Marketing Service - American Mathematical Society
AMSAA - (i/a) U.S. Army Materiel Systems Analysis Activity
AMSO - (i/a) U.S. Army Model and Simulation Office
AMSU - (i) Association for Managers in Students' Unions - Aviation Matériel Screening Unit
AMTE - (i) UK Admiralty Marine Technology Establishment (1977–1984)

AN

aN - (s) Attonewton
AN - (s) Andorra (FIPS 10-4 country code) - Netherland Antilles (ISO 3166 digram)
ANA - (a) All Nippon Airways - Anti-Nuclear Anti-body - Administration for Native Americans
ANC - (i) African National Congress
AND - (s) Andorra (ISO 3166 trigram)
ANG - (i) Air National Guard
ANGLiCo - (p) Air/Naval Gunfire Liaison Company
ANL - (i) Argonne National Laboratory
ANM - (i) Acoustic Noise Monitor
ANOVA - (p) ANalysis Of VAriance
ANS - (i) Applied and Natural Sciences
ANSI - (a) American National Standards Institute
ANT - (s) Netherland Antilles (ISO 3166 trigram)
ANZAC - (a) Australian and New Zealand Army Corps

AO

AO - (s) Angola (FIPS 10-4 country code; ISO 3166 digram) - (i) Approach Officer (submarine) - Area of Operations
AOA - (i) Argonne National Laboratory
AOC - (i) Air Operations Centre
AOL - (i) America OnLine
AOR - (i) Area Of Responsibility
AOU - (i) American Ornithologists' Union

AP

AP - (i) Advanced Placement - Air Publication - (s) Armed Forces Pacific (postal symbol) - (i) Associated Press - Auto Pilot
APA -(i) American Psychiatric Association
APB - (i) All Points Bulletin (police jargon)
APC - (i) Armoured Personnel Carrier, Armour Piercing Capped
APEDS - (a) AMSAA Performance Estimates Data System
APFSDS - (i) Armour-Piercing Fin-Stabilised Discarding Sabot (ammunition)
APHA - (i) American Public Health Association
APHIS - (a) Animal and Plant Health Inspection Service
API - (i) Application Programming Interface
APL - (i) A Programming Language - Anti-Personnel Landmine - Applied Physics Laboratory (Johns Hopkins University)
APM - (i) Advanced Power Management
APOD - (i) Aerial Port (Airport) Of Debarkation
APOE - (i) Aerial Port (Airport) Of Embarkation
APOLLO - (a) Apache Point Observatory Lunar Laser-ranging Operation
APP - (i) Allied Procedural Publication
APR - (i) Annual Percentage Rate
APS - (i) American Physical Society - Antiphospholipid Antibody Syndrome

AQ

AQ - (s) American Samoa (FIPS 10-4 territory code) - Antarctica (ISO 3166 digram)

AR

Ar - (s) Argon
AR - (s) Argentina (FIPS 10-4 country code; ISO 3166 digram) - Arkansas (postal symbol) - Armour
ARAG - (a) Advanced Research and Assessment Group
ARB - (i) Administrative Review Board
ARBA - (a/i) Army Review Boards Agency
ARC - (i) Arc-second Raster Chart - Association for Retarded Citizens - Appalachian Regional Commission
ARCENT - (p) United States Army Central Command
ARDA - (a) Advanced Research and Development Activity (became DTO 2006)
ARE - (i) UK Admiralty Research Establishment (–1991) - (s) United Arab Emirates (ISO 3166 trigram)
ARF - (i) ASEAN Regional Forum
ARG - (s) Argentina (ISO 3166 trigram)
ARI - (i) Acute Respiratory Infection - U.S. Army Research Institute for the Behavioral and Social Sciences
ARL - (i) UK Admiralty Research Laboratory (1921–1977) - U.S. Army Research Laboratory - UIUC Aviation Research Laboratory
ARM - (a) Anti-Radiation Missile - (s) Armenia (ISO 3166 trigram)
ARNet - (p) Acquisition Reform Network
ARP - (i) Address Resolution Protocol - Applied Research Programme
ARPA - (a) Advanced Research Projects Agency
ARRC - (i) ACE Rapid Reaction Corps
ARRF - (i) Allied Rapid Reaction Force
ARS - (i) Agricultural Research Service
ARSC - (i) Arctic Region Supercomputing Center
ARSPACE - (p) U.S. Army Space Command
ART - (a) Adaptive Resonance Theory
ARWG - (i) Army Research Working Group ("are-wig")

AS

as - (s) Attosecond
aS - (s) Attosiemens
As - (s) Arsenic
AS - (s) American Samoa (postal symbol; ISO 3166 digram) - Australia (FIPS 10-4 country code)
A/S - (i) Anti-submarine
A&S - (i) Armament & Standardisation
ASA - (i) AcetylSalicylic Acid - American Standards Association - Army Security Agency - Atlantic Southeast Airlines
ASAP - (a) As Soon As Possible
ASARS - (a) Advanced Synthetic Aperture Radar System - Airborne Search and Rescue System
ASB - (i) Associated Student Body - Alternative Service Book (Church of England)
asbl - (i) association sans but lucratif (French "Non-profit organisation")
ASBO - (a) Anti-Social Behaviour Order
ASCAP - (a) American Society of Composers, Authors, and Publishers
ASCC - (i) Army Service Component Commander - Automatic Sequence Controlled Calculator - Air Standardization Coordinating Committee
ASCIET - (i) All Services Combat Identification Evaluation Team
ASCII - (a) American Standard Code for Information Interchange
ASC+T - (i) Anti Slip Control + Traction
ASD - (i) (U.S.) Assistant Secretary of Defense - Autism Spectrum Disorder
ASD(C3I) - (i) (U.S.) (Command, Control, Communications, & Intelligence)
ASD(FMP) - (i) (U.S.) Assistant Secretary of Defense (Force Management Policy)
ASD(HA) - (i) (U.S.) Assistant Secretary of Defense (Health Affairs)
ASD(ISA) - (i) (U.S.) Assistant Secretary of Defense (International Security Affairs)
ASD(ISP) - (i) (U.S.) Assistant Secretary of Defense (International Security Policy)
ASD(LA) - (i) (U.S.) Assistant Secretary of Defense (Legislative Affairs)
ASD(PA) - (i) (U.S.) Assistant Secretary of Defense (Public Affairs)
ASD(RA) - (i) (U.S.) Assistant Secretary of Defense (Reserve Affairs)
ASD(SO&HA) - (i) (U.S.) Assistant Secretary of Defense (Special Operations & Humanitarian Assistance)
ASD(SO/LIC) - (i) (U.S.) (Special Operations & Low-Intensity Conflict)
ASD(S&R) - (i) (U.S.) Assistant Secretary of Defense (Strategy & Requirements))
ASD(S&TR) - (i) (U.S.) Assistant Secretary of Defense (Strategy & Threat Reduction)
ASDIC - (a) Allied Submarine Detection Investigation Committee (Sonar)
ASDR - (i) Attack, Sustain, Decay, Release (sound envelope specification)
ASEAN - (a) Association of South East Asian Nations
ASFAR - (a) Americans for a Society Free of Age Restrictions
ASG - (i) Area Support Group
ASIC - (a) Application-Specific Integrated Circuit
ASICS - (a) Anima sana in corpore sano (Latin, "A sound mind in a sound body") (athletic shoe manufacturer)
ASIO - (a) Australian Security Intelligence Organisation - (a) Audio stream input output
ASIP - (i) Advanced System Improvement Program - Army Stationing and Installation Plan
ASL - (i) Above Sea Level - American Sign Language (also known as Ameslan) - "Age, Sex, Location?" (Internet slang)
ASM - (i) Air-to-Surface Missile - (s) American Samoa (ISO 3166 trigram) - (i) American Society for Microbiology
ASMP - (i) Air-Sol Moyenne Portée missile (French "Medium-range air to surface") - (p) Asymmetric multiprocessing
ASN - (i) Associate of Science in Nursing
ASOC - (a/i) Air Sovereignty Operations Centre - Air Support Operations Centre - Airport Security and Operations Centre - Antarctic and Southern Ocean Coalition - Atlanta Symphony Orchestra Chorus - Australian Standard Offence Classification
ASP - (i) Active Server Pages - American Society of Primatologists - Ammunition Supply Point - Application Service Provider (cf internet service provider) - Astronomical Society of the Pacific - Association of Surfing Professionals
ASPI - (i) Australian Strategic Policy Institute
ASR - (i) Anti Slip Regulation
ASRAAM - (a) Advanced Short-Range Air-to-Air Missile
AST - (i) Atlantic Standard Time (UTC-4 hours)
ASTREA - (a) Aerial Support To Regional Enforcement Agencies (sheriff's air support unit)
ASUW - (p) AntiSUrface Warfare
ASW - (i) AntiSubmarine Warfare
ASWORG - (i) (U.S.) AntiSubmarine Warfare Operations Research Group
ASX - (p) Advanced Stream Redirector - Australian Stock Exchange

AT

aT - (s) Attotesla
At - (s) Astatine
AT - (i) Anti-Tank - (s) Ashmore and Cartier Islands (FIPS 10-4 territory code) - Austria (ISO 3166 digram) - (i) Advanced Technology (IBM Personal Computer/AT)
ATA - (i) Advanced Technology Attachment (IBM Personal Computer) - Afghan Transitional Authority - Allen Telescope Array - (s) Antarctica (ISO 3166 trigram)
ATAC - (a) Air Transportable Acoustic Communications
ATACMS - (p) Army TACtical Missile System
ATAPI - (a) Advanced Technology Attachment Packet Interface
ATAS - (a) Air-To-Air Stinger (missile)
ATB - (i) Active Time Battle - (s) British Antarctic Territory (ISO 3166 trigram; merged with AQ in 1979)
ATC - (i) Air Traffic Control - Air Training Corps - U.S. Air Transport Command (1942-1948)
ATCCIS - (i) Army Tactical Command and Control Information System
ATESS - (i) Aerospace and Telecommunications Engineering Support Squadron
ATF - (s) French Southern Territories (ISO 3166 trigram) - (i) Bureau of Alcohol, Tobacco, and Firearms
ATG - (s) Antigua and Barbuda (ISO 3166 trigram)
ATGM - (i) Anti-Tank Guided Missile
ATGW - (i) Anti-Tank Guided Weapon
ATI - (i) Allied Telesyn International, Inc.
ATK - (p) Attack
ATLAS - (a) All-Terrain Lifter Army System - (p) Assessment Tool for LAnd Systems
ATM - (i) Automated Teller Machine - Asynchronous Transfer Mode - At The Moment
ATN - (s) Dronning Maud Land (ISO 3166 trigram; merged with AQ in 1983)
ATO - (i) Air Tasking Order - Australian Taxation Office
ATP - (i) Adenosine TriPhosphate - Allied Tactical Publication - Ammunition Transfer Point
ATSD - (p) (U.S.) Assistant to the Secretary of Defense
ATSDR - (i) Agency for Toxic Substances and Disease Registry
AT&T - (i) American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
ATV - (i) All-Terrain Vehicle
ATWA - (a) Air, Trees, Water, Animals

AU

Au - (s) Gold
AU - (i) African Union (was OAU before 2000) - American University - (s) Astronomical Unit - Australia (ISO 3166 digram) - Austria (FIPS 10-4 country code)
AUC - (i) Ab Urbe Condita / Anno Urbis Conditae (Latin "from the founding of the city" / "in the year since the founding of the city") (of Rome) - Area Under the Curve (concentration time curve; medicine)
AUS - (s) Australia (ISO 3166 trigram)
AUT - (s) Austria (ISO 3166 trigram)
AUTL - (i) Army Universal Task List

AV

aV - (s) Attovolt
AV - (s) Anguilla (FIPS 10-4 territory code) - (i) Audio-Visual - (s) Aviation
AVCATT-A - (p) (U.S. Army's) Aviation Combined Arms Tactical Trainer-Aviation Manned Simulator
AVDLR - (p) Aviation Depot Level Repair
AVGP - (i) Armoured Vehicle, General Purpose
AVI - (i) Audio Video Interleave
AVIM - (p) Aviation Intermediate Maintenance
AVLB - (i) Armoured Vehicle Launched Bridge
AVO - (i) Apprehended Violence Order
AVRE - (i) Armoured Vehicle Royal Engineers
AVTB - (i) Armoured Vehicle Test Bed - (p) Aviation Test Bed
AVUM - (p) Aviation Unit Maintenance

AW

aW - (s) Attowatt
AW - (s) Aruba (ISO 3166 digram)
AWA - (i) American Wrestling Association
AWACS - (a) Airborne Warning And Control System
AWC - (i) Air Warfare Centre
AWD - many, including All Wheel Drive; see entry
AWE - (i/a) Advanced Warfighting Experiment
AWOL - (a) Absent Without Official Leave / Absent WithOut Leave (military jargon)
AWP - (p) Awaiting Parts (SM&R code)
AWSIM - (p) Air Warfare SIMulation
AWW - (i) Above Water Warfare

AX

AX - (s) Åland Islands (ISO 3166 digram)
AXP - (p) Ambulance eXchange Point

AY

AY - (s) Antarctica (FIPS 10-4 territory code)
AYU - (i) As Yet Unknown

AZ

AZ - (s) Arizona (postal symbol) - Azerbaijan (ISO 3166 digram)
AZE - (s) Azerbaijan (ISO 3166 trigram)

Gourt Home::Gourt :: List of acronyms and initialisms: A

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AA

AB

AC

AD

AE

AF

AG

AH

AI

AJ

AK

AL

AM

AN

AO

AP

AQ

AR

AS

AT

AU

AV

AW

AX

AY

AZ

See also