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What does AO stand for?

AO stands for Agent Orange (herbicidal warfare)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Military and Government
  • Science, medicine, engineering, etc.

See other definitions of AO

Other Resources:
We have 60 other meanings of AO in our Acronym Attic

Samples in periodicals archive:

The Air Force dropped up to 20 million gallons of Agent Orange as part of its Operation Ranch Hand, and the Vietnamese government says up to 4000,000 people were killed or injured and 500,000 children may have been born with defects as a result of the chemical spraying.
The base was a key site in the US defoliant program during the Vietnam War, and much of the 80 million litres (21 million gallons) of Agent Orange used during "Operation Ranch Hand" was mixed, stored and loaded onto planes there.
has previously shelled out billions of dollars in disability payments to American soldiers who developed illnesses associated with the defoliant - its active ingredient is dioxin, which has persistently been linked to cancer and multiple birth defects - this marks the first occasion the nation has made a move to clean up the approximately 20 million gallons of Agent Orange it dumped on Vietnamese trees and vegetation in the decade between 1961 and 1971.
95 Paperback UB369 this reprint of a 1989 original work documents the struggle of US Vietnam War veterans to receive the attention, medical care, and compensations due to them from a government that, in collusion with giant chemical conglomerates, exposed them to toxic Agent Orange contamination and lied, stonewalled, and covered up their actions.