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United States Deputy Secretary of Defense
The deputy secretary of defense (acronym: DepSecDef), secondarily but informally titled the deputy secretary of war (DepSecWar), is a statutory office (10 U.S.C.§ 132) and the second-highest-ranking official in the United States Department of Defense. The deputy secretary is the principal civilian deputy to the secretary of defense, and is appointed by the president, with the advice and consent of the Senate.
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