- AAD
AAD is a
three-letter acronym that may refer to:* Advanced Air defense, India's defense program to develop a multi-layer Ballistic missile defense shield.
*AAD Education, Health and Sports (formerly, Athletes Against Drugs)
*Administrative Accompanying Document , an EU document to control duties within the Union and member states.
*American Academy of Dermatology
*7-Amino-actinomycin D (7-AAD), a fluorescent stain for DNA
* ASCII Adjust before Division, an Intel 80x86 processor instruction
*Associação de Activismo para a Democracia , a political party inMacau
*Australian Antarctic Division , which manages Australia's four Antarctic/sub-Antarctic stations, as well as Heard Island
*Automatic activation device , a "fail-safe" device often used in a parachute pack to automatically deploy the reserve if a predetermined altitude is passed at a high rate of speed
* Analog, analog, digital, a three-letter code for a CD that was recorded analog, mixed analog, and transferred digitally
* IATA airport code forAd-Dabbah Airport in Ad-Dabbah, Sudan
* ICAO airline designator forAero Aviation Centre Ltd. in Canada
*Armee-Aufklärungsdetachement 10 Switzerland's new SAS-type Special Forces unit, which is an all-volunteer professional unit with a rigorous selection process
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