U.S. Department of Defense

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Revision as of 23:10, 9 May 2008 by imported>Howard C. Berkowitz (Continued making consistent with NSAct of 1947, US oriented language)
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The military forces of the United States, along with the civil servants supporting them, form the U.S. Department of Defense. It is led by a civilian Secretary of Defense appointed by the President and confirmed by the Senate.

Secretary of Defense

The United States Secretary of Defense is a statutory member of the National Security Council and a member of the Cabinet.

National Command Authority

The President and Secretary of Defense, or their successors, constitute the National Command Authority (NCA). Only the NCA can order the use of nuclear weapons.


History

Originally, the United States had a separate Secretary of War and Secretary of the Navy, heading separate cabinet-level departments.

With the passage of the National Security Act of 1947[1], the Department superseded the War Department|War Department and Department of the Navy. This Act created the Office of the Secretary of Defense, and established Secretaries of the Army, Navy, and Air Force, with the equivalent rank of Assistant Secretary of Defense. The United States Marine Corps is a component of the United States Navy.

This act also established the National Security Council, Joint Chiefs of Staff, United States Air Force and Central Intelligence Agency.


References

  1. ↑ National Security Act of 1947
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