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Defense Threat Reduction Agency
The Defense Threat Reduction Agency (DTRA) is an American government agency within the United States Department of Defense.
History
DTRA was officially founded October 1, 1998.1)
External links
1)
Our History. Defense Threat Reduction Agency. Retrieved October 24, 2019, from https://web.archive.org/web/20191024224130/https://www.dtra.mil/About/DTRA-History/