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United States Secretary of Defense


 

The United States Secretary of Defense is the head of the United States Department of Defense, concerned with the armed services and military matters. The Secretary is appointed by the President with the approval of the Senate, and is a member of the Cabinet. By statute the secretary must be a civilian who has not served in the armed forces for at least 10 years (10 USC Sec. 113). The Secretary of Defense is sixth in the United States presidential line of succession.

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