Military department within the Department of Defense of the United States of America
For the maritime service branch, see United States Navy.
United States Department of the Navy
Seal of the Department of the Navy
Agency overview
Formed
30 April 1798; 225 years ago (1798-04-30)
Headquarters
The Pentagon, Arlington County, Virginia, U.S.
Agency executives
Carlos Del Toro, Secretary
Erik Raven, Under Secretary
Parent agency
U.S. Department of Defense
Child agencies
United States Navy
United States Marine Corps
Website
navy.mil
United States Armed Forces
Executive departments
Department of Defense
Department of Homeland Security
Staff
Office of the Secretary of Defense
Joint Chiefs of Staff
Military departments
Department of the Army
Department of the Navy
Department of the Air Force
Military services
United States Army
United States Marine Corps
United States Navy
United States Air Force
United States Space Force
United States Coast Guard
Command structure
Unified combatant commands
Africa Command
Central Command
European Command
Indo-Pacific Command
Northern Command
Southern Command
Cyber Command
Space Command
Special Operations Command
Strategic Command
Transportation Command
Combat support agencies
Defense Contract Management Agency
Defense Health Agency
Defense Information Systems Agency
Defense Intelligence Agency
Defense Logistics Agency
Defense Threat Reduction Agency
National Geospatial-Intelligence Agency
National Security Agency
Central Security Service
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The United States Department of the Navy (DON) is one of the three military departments within the Department of Defense of the United States of America. It was established by an Act of Congress on 30 April 1798, at the urging of Secretary of War James McHenry, to provide a government organizational structure to the United States Navy (USN);[1] since 1834, it has exercised jurisdiction over the U.S. Marine Corps (USMC) and, during wartime, the U.S. Coast Guard (USCG), though each remains an independent service branch.[2] It is led by the secretary of the Navy (SECNAV), a statutory civilian officer.[3]
Seal of the U.S. Department of the Navy from 1879 to 1957.
The Department of the Navy was an executive department, whose secretary served on the president's cabinet, until 1949, when amendments to the National Security Act of 1947 established the Department of Defense as a unified department for all military services; the DON, along with the Department of the Army and Department of the Air Force, became a component of the DoD, subject to the authority, direction and control of the secretary of defense.
From 2001 to 2019, proposals to rename the Department of the Navy to the Department of the Navy and Marine Corps were introduced with wide support in the United States Congress, but failed due to the opposition of Senator and former U.S. Navy officer John McCain.
^Bernard C. Steiner and James McHenry, The life and correspondence of James McHenry (Cleveland: Burrows Brothers Co., 1907).
^Chap. XXXV. 1 Stat. 553 from "A Century of Lawmaking for a New Nation: U. S. Congressional Documents and Debates, 1774–1875". Library of Congress, Law Library of Congress. Retrieved 24 March 2012.
^10 U.S.C. § 5013
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