List of Acronyms and Initialisms: A - AT

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)
  • ATAT – (a) Aiken Tactical Airsoft Team / Star Wars vehicle
  • 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)- Athletic Trainer, Certified (www.nata.org)
  • 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) (U.S.) Bureau of Alcohol, Tobacco, Firearms and Explosives (from its previous name, which did not include "Explosives")
  • ATG – (s) Antigua and Barbuda (ISO 3166 and FIFA trigram)
  • ATGM – (i) Anti-Tank Guided Missile
  • ATGW – (i) Anti-Tank Guided Weapon
  • ATI – (i) Allied Telesyn International, Inc. – (a) Array Technologies Incorporated. (ATI Technologies)
  • Atisbo – a Local Government Area in Nigeria named for constituent communities (Ago-Are, Tede, Irawo, Sabe, Baasi, Ofiki and Owo)
  • ATK – (p) Attack
  • ATL – (p) Atlanta, Georgia, the largest city and capital of Georgia
  • 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

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