Leadership
The Department of the Navy is headed by the Secretary of the Navy, also known as the SECNAV in naval jargon, who has the authority to conduct all of the affairs of the Department: subject to lawful authority, the Secretary of Defense, and the President. The Secretary of the Navy is appointed by the President with the advice and consent of the Senate. The Secretary is assisted by an Under Secretary of the Navy, four Assistant Secretaries of the Navy and a General Counsel of the Department of the Navy, who are also appointed by the President with the advice and consent of the Senate.
The highest ranking military officers in the Department of the Navy are the Chief of Naval Operations and the Commandant of the Marine Corps, who are the principal military advisors to the Secretary of the Navy. They supervise their respective military services of the Department of the Navy, and in a separate capacity serves as members of the Joint Chiefs of Staff. They are assisted by a Vice Chief of Naval Operations and an Assistant Commandant of the Marine Corps.
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