United States Secretary of Defense

Definition and stakes

the United States Government United States Code — Title 10, Subtitle A, Part I, Chapter 2

Secretary of Defense (a) (1) There is a Secretary of Defense, who is the head of the Department of Defense, appointed from civilian life by the President, by and with the advice and consent of the Senate.
(2) A person may not be appointed as Secretary of Defense— (A) within seven years after relief from active duty as a commissioned officer of a regular component of an armed force in a grade below O–7
Source: Wikisource

United States. Presidents State of the Union Addresses (1790-2006…

Until the Secretary of Defense's reappraisal is completed, the emphasis here will be largely on improved organization and decision-making--on cutting down the wasteful duplications and the time-lag that have handicapped our whole family of missiles. If we are to keep the peace, we need an invulnerable missile force powerful enough to deter any aggressor from even threatening an attack that he would know could not destroy enough of our force to prevent his own destruction.
Source: Gutenberg

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