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United States Department of the Navy
Military department for the Navy and Marine Corps, U.S. Department of Defense
Military department for the Navy and Marine Corps, U.S. Department of Defense
| Field | Value |
|---|---|
| agency_name | United States Department of the Navy |
| seal | United States Department of the Navy Seal.svg |
| seal_width | 170 |
| seal_caption | Seal of the Department of the Navy |
| formed | |
| headquarters | The Pentagon, Arlington County, Virginia, U.S. |
| chief1_name | John Phelan |
| chief1_position | Secretary |
| chief2_name | Hung Cao |
| chief2_position | Under Secretary |
| parent_agency | United States Department of Defense |
| child1_agency | |
| child2_agency | |
| child3_agency | (during wartime) |
| website |
The United States Department of the Navy (DON) is one of the three military departments within the United States Department of Defense. 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). Since 1834, the department has exercised jurisdiction over the United States Marine Corps (USMC), and during wartime the United States Coast Guard (USCG). These branches remain at all times independent and coequal service branches within the DON. It is led by the secretary of the Navy (SECNAV), a statutory civilian officer.
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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.
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 serve 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.
Composition
The Department of the Navy comprises two uniformed services: the United States Navy and the United States Marine Corps (sometimes collectively called the "naval services" or "sea services").
The Department of the Navy consists of all elements of the United States Navy and the United States Marine Corps. According to Navy Regulations Section 0204-2, the term "Navy Department" refers only to the executive offices at the seat of government.
The Department of the Navy is composed of the following:
- All field activities, headquarters, forces, bases, installations, activities, and functions under the control or supervision of the Secretary of the Navy; and
- When it is operating as a service in the Navy Department, the Coast Guard. (Ordinarily part of the Department of Homeland Security, federal law provides that the Coast Guard may be transferred to the Department of the Navy by the President at any time, or by Congress during time of war)
- Headquarters Marine Corps;
- Office of the Chief of Naval Operations, also known as OPNAV or the Navy Staff;
- Office of the Secretary of the Navy, also known as the Secretariat;
- The entire operating forces of the Navy (including naval aviation) and the Marine Corps, including both the active and reserve components (the Navy Reserve and Marine Corps Reserve) of those forces.
Budget
| Department of the Navy | FY 2024 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Actuals | FY 2025 | ||||||||||
| Enacted | FY 2026 | ||||||||||
| Disc. Req. | FY 2026 | ||||||||||
| Reconc. Req. | FY 2026 | ||||||||||
| Total | Total Department of the Navy | **262.7** | **254.5** | **248.9** | **43.3** | **292.2** | |||||
| Military Personnel | 59.1 | 62.2 | 66.0 | 0.3 | 66.3 | ||||||
| Operation and Maintenance | 86.3 | 85.3 | 87.2 | 6.5 | 93.7 | ||||||
| Procurement | 82.7 | 76.0 | 62.9 | 32.4 | 95.3 | ||||||
| RDT&E | 27.6 | 25.9 | 25.7 | 3.5 | 29.2 | ||||||
| Revolving and Management Funds | 0.0 | 0.0 | 0.4 | 0.0 | 0.4 | ||||||
| Military Construction | 6.3 | 4.3 | 6.1 | 0.7 | 6.9 | ||||||
| Family Housing | 0.7 | 0.6 | 0.6 | 0.0 | 0.6 |
References
References
- Bernard C. Steiner and James McHenry, ''[https://books.google.com/books?id=ki4DAAAAYAAJ The life and correspondence of James McHenry]'' (Cleveland: Burrows Brothers Co., 1907).
- [http://memory.loc.gov/cgi-bin/ampage?collId=llsl&fileName=001/llsl001.db&recNum=676 Chap. XXXV. 1 Stat. 553] from [http://memory.loc.gov/ammem/amlaw/ "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.
- [[Title 10 of the United States Code. 10 U.S.C.]] § [https://www.law.cornell.edu/uscode/text/10/subtitle-C/part-I 5013]
- [http://uscode.house.gov/download/pls/10C503.txt 10 USC §5013] {{Webarchive. link. (3 February 2011 , Accessed on 23 March 2011.)
- See William A. Owens, ''High Seas: The Naval Passage to an Uncharted World'' (1995), [[Naval Institute Press]], p. 100; Brent G. Filbert and Alan G. Kaufman, ''Naval Law: Justice and Procedure in the Sea Services'' (1998), [[Naval Institute Press]]; Brian R. Wolff and John Alexander, ''The U.S. Navy and Marine Corps Into the 21st Century'' (1997), Osprey, p. 7; Joseph H. Alexander and Merrill L. Bartlett, ''Sea Soldiers in the Cold War: Amphibious Warfare, 1945–1991'' (1995), [[Naval Institute Press]]; p. 71, p. 175.
- [https://www.law.cornell.edu/uscode/text/10/5061 10 USC §5061], Accessed on 23 March 2011
- FY 2024 Actuals include supplemental funding from P.L. 118-50 for Israel (Div. A), Ukraine (Div. B), and Indo-Pacific (Div. C).
- Reflects Full-Year Continuing Appropriation and Extensions Act, 2025 (P.L. 119-4) but excludes supplemental funding from P.L. 118-158.
- (6 July 2017). "Congressman hopes to rename Department of the Navy, incorporate US Marine Corps".
- Bacon, Lance M.. (2 May 2016). "Congressman: I'll 'keep fighting like a bulldog' to rename the Navy Department for Marines". [[Marine Corps Times]].
- (31 January 2013). "H.R. 124, a bill to redesignate the Department of the Navy as the Department of the Navy and Marine Corps | Congressional Budget Office".
- "Becoming the Department of the Air and Space Forces".
- "Congressmen push for A".
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