What does AD stand for?

MLA style: "AD." Acronym Finder . 2012. AcronymFinder.com 11 Feb. 2012 http://www.acronymfinder.com/priority-add_on-(US-DoD)-(AD).html
Chicago style: Acronym Finder . S.v. "AD." Retrieved February 11 2012 from http://www.acronymfinder.com/priority-add_on-(US-DoD)-(AD).html
APA style: AD. (n.d.) Acronym Finder. (2012). Retrieved February 11 2012 from http://www.acronymfinder.com/priority-add_on-(US-DoD)-(AD).html

priority add-on (US DoD)

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Auxiliary Drain Average Deviation Aviation Division Aviation Machinist Mate (US Navy rating) Awaiting Disconnection Awdal (postal region, Somalia) Azumanga Daioh (anime) Azure Dreams (role-playing game) Destroyer Tender (US Navy ship designation) Partia Aleanca Demokratike (Party of the Democratic Alliance, Albania, aka: PADSh)		Right Ear Ad Duas Vices (Latin: In Two Doses) BT telephone system in Equipment Room Ad Defectionem Animi (to the point of fainting; Latin: in consequence of a defect of the mind) Ad Deliquium (to the point of fainting; Latin: in consequence of a defect) Active Directory Domain Services (windows programming) Advocates in Defense of Expression in the Media (Canada) Ad Libitur (Latin: As Desired) Ad Libitum (Latin: Freely) Ad Locum - At the Place