Defense Threat Reduction Information Analysis Center (DTRIAC)


The Defense Threat Reduction Information Analysis Center (DTRIAC) manages the DTRA Nuclear testing archives, as well as other DTRA, DoD, and U.S. Government collections. The primary mission of DTRIAC is to provide timely electronic access to all nuclear weapons test data, legacy and current, to U.S. Government programs supporting U.S. Nuclear Deterrent missions.

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DTRA provides cross-cutting solutions to enable the Department of Defense, the United States Government, and international partners to deter strategic attack against the United States and its allies; prevent, reduce, and counter WMD and emerging threats; and prevail against WMD-armed adversaries in crisis and conflict.  

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8725 John J. Kingman Rd., Fort Belvoir, Va. 22060-6221

Welcome to the Defense Threat Reduction Agency’s website. If you are looking for the official source of information about the DoD Web Policy, please visit The Defense Threat Reduction Agency is pleased to participate in this open forum in order to increase government transparency, promote public participation, and encourage collaboration. Please note that the Defense Threat Reduction Agency does not endorse the comments or opinions provided by visitors to this site. The protection, control, and legal aspects of any information that you provided to establish your account or information that you may choose to share here is governed by the terms of service or use between you and the website. Visit the Defense Threat Reduction Agency contact page at Contact Us for information on how to send official correspondence.