Official website of the U.S. Department of Defense The U.S. Department of defense official website is mainly used to provide timely and accurate official information about U.S. defense policies, organizations, functions, tasks and operations for U.S. soldiers, civilian personnel of the Department of defense, military family members, the U.S. public, the U.S. Congress and the news media. In addition, it can also access the U.S. military information network and obtain relevant information through the website Information.
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