Chief of Naval Operations

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Chief of Naval Operations
Seal of the Chief of Naval Operations.svg
Seal of the Chief of Naval Operations
Flag of the United States Chief of Naval Operations.svg
Flag of the Chief of Naval Operations
Gilday CNO.jpg
Admiral Michael M. Gilday

since 22 August 2019
United States Navy
Office of the Chief of Naval Operations
Member of Joint Chiefs of Staff
Reports to Secretary of the Navy
AppointerThe President
with Senate advice and consent
Term length 4 years
Renewable one time, only during war or national emergency
Constituting instrument 10 U.S.C.   § 8033
PrecursorAide for Naval Operations
Formation11 May 1915
First holderADM William S. Benson
Deputy Vice Chief of Naval Operations

The chief of naval operations (CNO) is the professional head of the United States Navy. The position is a statutory office (10 U.S.C.   § 8033) held by an admiral who is a military adviser and deputy to the secretary of the Navy. In a separate capacity as a member of the Joint Chiefs of Staff (10 U.S.C.   § 151), the CNO is a military adviser to the National Security Council, the Homeland Security Council, the secretary of defense, and the president. The current chief of naval operations is Admiral Michael M. Gilday.


Despite the title, the CNO does not have operational command authority over naval forces. The CNO is an administrative position based in the Pentagon, and exercises supervision of Navy organizations as the designee of the secretary of the Navy. Operational command of naval forces falls within the purview of the combatant commanders who report to the secretary of defense.

Appointment, rank, and responsibilities

Mullen (CNO in December 2006) with some of his predecessors: Clark, Watkins, Hayward and Johnson. US Navy 061205-N-0696M-018 Chief of Naval Operations (CNO) Adm. Mike Mullen meets with former Navy Chiefs at a CNO Conference at the Pentagon.jpg
Mullen (CNO in December 2006) with some of his predecessors: Clark, Watkins, Hayward and Johnson.

The chief of naval operations (CNO) is typically the highest-ranking officer on active duty in the U.S. Navy unless the chairman and/or the vice chairman of the Joint Chiefs of Staff are naval officers. [1] The CNO is nominated for appointment by the president, for a four-year term of office, [2] and must be confirmed by the Senate. [2] A requirement for being Chief of Naval Operations is having significant experience in joint duty assignments, which includes at least one full tour of duty in a joint duty assignment as a flag officer. [2] However, the president may waive those requirements if he determines that appointing the officer is necessary for the national interest. [2] The chief can be reappointed to serve one additional term, but only during times of war or national emergency declared by Congress. [2] By statute, the CNO is appointed as a four-star admiral. [2]

As per 10 U.S.C.   § 8035, whenever there is a vacancy for the chief of naval operations or during the absence or disability of the chief of naval operations, and unless the president directs otherwise, the vice chief of naval operations performs the duties of the chief of naval operations until a successor is appointed or the absence or disability ceases. [3]

Department of the Navy

The CNO also performs all other functions prescribed under 10 U.S.C.   § 8033, such as presiding over the Office of the Chief of Naval Operations (OPNAV), exercising supervision of Navy organizations, and other duties assigned by the secretary or higher lawful authority, or the CNO delegates those duties and responsibilities to other officers in OPNAV or in organizations below. [1] [4]

Acting for the secretary of the Navy, the CNO also designates naval personnel and naval forces available to the commanders of unified combatant commands, subject to the approval of the secretary of defense. [4] [5]

Joint Chiefs of Staff

The CNO is a member of the Joint Chiefs of Staff as prescribed by 10 U.S.C.   § 151 and 10 U.S.C.   § 8033. Like the other members of the Joint Chiefs of Staff, the CNO is an administrative position, with no operational command authority over the United States Navy forces.

Members of the Joint Chiefs of Staff, individually or collectively, in their capacity as military advisers, shall provide advice to the president, the National Security Council (NSC), or the secretary of defense (SECDEF) on a particular matter when the president, the NSC, or SECDEF requests such advice. Members of the Joint Chiefs of Staff (other than the chairman of the Joint Chiefs of Staff) may submit to the chairman advice or an opinion in disagreement with, or advice or an opinion in addition to, the advice presented by the chairman to the president, NSC, or SECDEF.

When performing his JCS duties, the CNO is responsible directly to the SECDEF, but keeps SECNAV fully informed of significant military operations affecting the duties and responsibilities of the SECNAV, unless SECDEF orders otherwise. [6]


Early attempts (1902–1909)

William Sowden Sims William sowden sims.jpg
William Sowden Sims

The earliest attempts to reform the Navy's management structure under a single commissioned officer began in response to President Theodore Roosevelt's massive buildup of naval power, in concert with his "Big Stick" implementation of foreign policy. [7] The closest thing the Navy had to an executive body at the time was the General Board of the United States Navy, established in 1900, [8] but the Board lacked the necessary authority to sufficiently reorganize the Navy. [8] Among the critics of the disorganized command structure and proponents of rapid modernization included Charles J. Bonaparte, Roosevelt's fourth Navy secretary from 1905 to 1906, [9] Reginald R. Belknap, [10] Albert Key, and William Sims, Roosevelt's naval aides from 1905 to 1907 and 1907 to 1909 respectively. [7]

Rear Admiral George A. Converse, commander of the Bureau of Navigation (BuNav) from 1905 to 1906, reported:

[W]ith each year that passes the need is painfully apparent for a military administrative authority under the Secretary, whose purpose would be to initiate and direct the steps necessary to carry out the Department’s policy, and to coordinate the work of the bureaus and direct their energies toward the effective preparation of the fleet for war. [11]

Rear Admiral Charles Johnston Badger with Rear Admiral Bradley A. Fiske, c. 1914. BADGER, CHARLES JOHNSTON. REAR ADMIRAL, U.S.N. LEFT, WITH ADMIRAL FISKE LCCN2016865376.jpg
Rear Admiral Charles Johnston Badger with Rear Admiral Bradley A. Fiske, c.1914.

However, proposals to establish a permanent body to manage the disparate bureaus and offices faced vehement disapproval from Congress, partially due to fears of creating a Prussian-style general staff and because several of such proposals granted greater authority to the secretary of the Navy over the officer promotion system, both of which risked infringing on legislative authority. [12] In particular, Senator Eugene Hale, chairman of the Senate Committee on Naval Affairs from 1897 to 1909, disliked reformers like Sims [13] and persistently blocked attempts to bring such ideas for debate, including those of a special board convened by Roosevelt in 1909 which supported immediate change. [14]

Aide for Naval Operations (1909–1915)

To circumvent the opposition, George von Lengerke Meyer, Secretary of the Navy under Roosevelt's successor William Howard Taft implemented a system of "aides" on 18 November 1909, [12] including aides for personnel, material, inspections, and operations. [12] [15] These four senior officers, with the rank of rear admiral, did not have command authority and instead served as principal advisors to the Secretary, charged with supervising and coordinating the functions of their respective bureaus. [12] Meyer deemed the aide for operations to be the most important of the four, responsible for devoting "his entire attention and study to the operations of the fleet," [16] and drafting orders for the movement of ships on the advice of the General Board and approval of the Secretary in times of war or emergency. [16]

The first aide for operations was Rear Admiral Richard Wainwright, [17] who immediately exercised the influence he had to recommend significant reorganization of the Atlantic and Pacific Fleets to better fit contemporary mission needs. [16] The effectiveness of the arrangement factored into Meyer's decision to grant his newly appointed third aide for operations, Rear Admiral Bradley A. Fiske, de facto status as his principal advisor on 10 February 1913. [18] Fiske retained his post under Meyer's successor, Josephus Daniels. [19]

Creation of the office of the Chief of Naval Operations (1915)

Secretary of the Navy Josephus Daniels Josephus Daniels 1.jpg
Secretary of the Navy Josephus Daniels

It was under Secretary Daniels and Admiral Fiske that efforts to definitively establish a professional head of the Navy began. Daniels and Fiske, however, often clashed, and their contrasting temperaments often led to debates by both Congress and the executive branch as to whose vision for the Navy was more effective based on individual like or dislike for one or the other. [20] Consequently, the legislation providing for the office of "a chief of naval operations" in 1914 was the result of Fiske going behind Daniels' back, frustrated at the Secretary's ambivalence towards his assertions that the Navy was unprepared for the possibility of being "drawn into" World War I. [21] Early forms of the legislation were the product of Fiske's collaboration with Representative Richmond P. Hobson, a retired Navy admiral. [21] The preliminary proposal (passed off as Hobson's own to mask Fiske's involvement), in spite of Daniels' opposition, passed Hobson's subcommittee unanimously on 4 January 1915, [21] and passed the full House Committee on Naval Affairs on 6 January. [20]

Fiske's younger supporters expected him to be named the first chief of naval operations, [22] and his versions of the bill presented for passage in the Senate provided for the minimum of rank of the officeholder to be a two-star rear admiral. [22]

There shall be a Chief of Naval Operations, who shall be an officer on the active list of the Navy not below the grade of Rear Admiral, appointed for a term of four years by the President, by and with the advice of the Senate, who, under the Secretary of the Navy, shall be responsible for the readiness of the Navy for war and be charged with its general direction. [22]

Fiske's version of the bill

In contrast, Daniels' version, included in the final bill, emphasized the office's subordination to the secretary of the Navy, allowed for the selection of the CNO from officers of the rank of captain, and denied it authority over the Navy's general direction, tantamount to giving the CNO executive authority: [22]

There shall be a Chief of Naval Operations, who shall be an officer on the active list of the Navy appointed by the President, by and with the advice and consent of the Senate, from the officers of the line of the Navy not below the grade of Captain for a period of four years, who shall, under the direction of the Secretary, be charged with the operations of the fleet, and with the preparation and readiness of plans for its use in war. [22]

Daniels' version of the bill

Fiske's "end-running" of the secretary, while successful in enshrining a professional head of the Navy within statutory law, had permanently tarnished him as insubordinate to Daniels, and eliminated any possibility of him being named the first CNO. [22] Nevertheless, Fiske, satisfied with the change he had helped enact, made a final contribution: elevating the statutory rank of the CNO to admiral with commensurate pay. [22] [23] The Senate passed the appropriations bill creating the CNO position and its accompanying office on 3 March 1915. [24] Simultaneously, the system of naval aides promulgated under Meyer was also abolished. Fiske himself retired in 1916, after a year's tour at the Naval War College. [25]

Benson, the first CNO

Admiral William S. Benson, chief of naval operations (seated), relaxes at Pruyn's Home, Lower Saranac Lake, New York, c. Sept. 1918. With him are Commander Charles Belknap Jr. (left), and his Aide, Commander Worral R. Carter (right). NH 56833 Admiral William S. Benson, USN.jpg
Admiral William S. Benson, chief of naval operations (seated), relaxes at Pruyn's Home, Lower Saranac Lake, New York, c.Sept. 1918. With him are Commander Charles Belknap Jr. (left), and his Aide, Commander Worral R. Carter (right).

Captain William S. Benson was promoted to the temporary rank of rear admiral and become the first CNO on 11 May 1915. [24] He further assumed the rank of admiral after the passage of the 1916 Naval Appropriations Bill with Fiske's amendments, [23] second only at the time of passage to Admiral of the Navy George Dewey, and explicitly superior to the commanders-in-chief of the Atlantic, Pacific and Asiatic Fleets. [26]

Early achievements

CNO Benson faced three principal tasks: defining where the chief of naval operations stood within the command hierarchy, [24] forging a productive working relationship with and demonstrating loyalty to Secretary Daniels, [24] and preparing the Navy for potential involvement in World War I without violating the government's official policy of neutrality. [27] Benson thus differed from his predecessor Fiske who campaigned for a powerful, aggressive CNO sharing authority with the secretary of the Navy [24] by demonstrating personal loyalty to the secretary and subordinating himself to civilian control in all matters, [24] thereby alienating reformers like Sims. [28] At the same time, this gave Daniels immense trust in his new CNO, especially in dealing with more troublesome officers like Fiske and Sims on a daily basis, [29] and he rewarded Benson by delegating greater resources and authority to the CNO. [30]

Nevertheless, this did not stop him from maintaining a need for autonomy when he felt it necessary. [28] Benson also intended to disprove those of the officer corps who "spent much of their time criticizing him" [28] for pacifist views perceived to be shared with President Woodrow Wilson, who proclaimed a policy of neutrality in World War I in August 1914. [31]

Among the organizational efforts initiated or recommended by Benson included an advisory council to coordinate high-level staff activities, [32] composed of himself, the SECNAV and the bureau chiefs which "worked out to the great satisfaction" of Daniels and Benson; [32] the reestablishment of the Joint Army and Navy Board in 1918 with Benson as its Navy member; [33] [32] and the consolidation of all matters of naval aviation under the authority of the CNO. [32] In all these efforts, Benson remained subordinate to the secretary of the Navy while still being involved in all important decisions affecting the Navy. [23] Benson also had the task of assisting Secretary Daniels with the modernization of the Navy, specifically through advising him of developments in naval technologies and ships. [23]

Most importantly for the future war, Benson revamped the structure of the naval districts, [32] transferring authority for them from SECNAV to the Office of the Chief of Naval Operations under the Operations, Plans, Naval Districts division. [34] This enabled closer cooperation between naval district commanders and the uniformed leadership, who could more easily handle communications between the former and the Navy's fleet commanders. [34]

World War I and the establishment of OPNAV

Organization of the Office of the Chief of Naval Operations, January 1916 OPNAV organizational chart (Jan. 1916).png
Organization of the Office of the Chief of Naval Operations, January 1916

Early 1916 saw the formal establishment of the CNO's "general staff", the Office of the Chief of Naval Operations (OPNAV), originally called the Office for Operations. [34] Until then, the CNO's office was assigned few personnel: three subordinates (one captain and two lieutenants), no clerical staff, and small, unaccommodating office space on the first day of Benson's tenure. [24] With Hale's retirement from politics in 1911, [35] congressional opinion shifted from fear of a Prussian-style general staff to skepticism of whether the CNO's staff could implement President Wilson's policy of "preparedness" within the limits of official neutrality. [34]

By June 1916, the Office of the Chief of Naval Operations was organized into eight divisions: Operations, Plans, Naval Districts; [34] Regulations; [34] Ship Movements; [34] Communications; [34] Publicity; [34] and Materiel. [34] Operations provided a link between fleet commanders and the General Board, Ship Movements coordinated the movement of Navy vessels and oversaw navy yard overhauls, Communications accounted for the Navy's developing radio network, Publicity conducted the Navy's public affairs, providing stories and information to newspapers, and the Materiel section coordinated the work of the naval bureaus. [34]

Until 1918, OPNAV was severely understaffed, numbering only 75 in January 1917, barely adequate for Benson's needs. [36] The office saw a significant increase in size following American entry into World War I, as it was deemed of great importance to manage the rapid mobilization of forces to fight in the war. [37] Among the tasks OPNAV was charged with included specifying the wartime responsibilities of the naval districts, [36] sourcing and producing enough transports for the Army divisions being transferred to the war's western front, [36] and coordinating convoy escorts with the British. [36] [38] The 75 initially assigned to OPNAV in 1917 had ballooned to over 1462 by war's end. [39] This caused the CNO and OPNAV to gain great influence over Navy administration but at the expense of the General Board, which had little power to begin with, and more importantly, at the expense of the secretary and naval bureaus. [37]

Advisor to the president

Edward M. House, aka Colonel House, was a close advisor to President Woodrow Wilson and alongside him elevated the stature of the CNO. E. M. House LCCN2014700618 (cropped).jpg
Edward M. House, aka Colonel House, was a close advisor to President Woodrow Wilson and alongside him elevated the stature of the CNO.

Benson also demonstrated the usefulness of the CNO as a direct advisor to the President of the United States on matters outside of the United States Navy relating to larger diplomatic and strategic concerns. [39] In 1918, Benson became a military advisor to Edward M. House, an advisor and confidant of President Wilson, [39] joining him on a trip to Europe as the 1918 armistice with Germany was signed. [39] His stance that the United States remain equal to Great Britain in naval power proved very useful to House and Wilson, enough for Wilson to insist Benson remain in Europe until after the Treaty of Versailles was signed in July 1919. [39]

End of tenure

Benson's tenure as chief of naval operations was slated to end on 10 May 1919, [40] but this was delayed by the president at Secretary Daniels's insistence. [40] In the waning years of his tenure, Benson presided over a final reorganization of OPNAV, focusing on preventing feuds between the different divisions and setting regulations for officers on shore duty to have temporary assignments with OPNAV, so as to maintain cohesion between the higher-level staff and the fleet. [41] Thus, Admiral Benson retired on 25 September 1919 [42] having reformed the Navy's leadership structure, and with his involvement with President Wilson and House on the Treaty of Versailles demonstrated the usefulness of the CNO as a presidential advisor on strategic and diplomatic matters. [41] Admiral Robert Coontz replaced Benson as CNO on 1 November 1919.

Interwar period (1919–1939)

The CNO's office faced no significant changes in authority during the interwar period, largely due to the secretaries of the Navy opting to keep executive authority within their own office. Innovations during this period included encouraging coordination in war planning process, and compliance with the Washington Naval Treaty [43] [44] while still keeping to the shipbuilding plan authorized by the Naval Act of 1916. [45] and implementing the concept of naval aviation into naval doctrine.

CNO Pratt, relationship with the General Board and Army-Navy relations

CNO Pratt (right) with Admiral Frank H. Schofield (left) aboard the Tennessee-class battleship USS California (BB-44), February 1931. William Veazie Pratt NH 77482.jpg
CNO Pratt (right) with Admiral Frank H. Schofield (left) aboard the Tennessee-class battleship USS California (BB-44), February 1931.

William V. Pratt became the fifth Chief of Naval Operations on 17 September 1930. [46] He had previously served as assistant chief of naval operations under CNO Benson, [47] and had proven pivotal to bridging the gap between Benson and Daniels with equal experience as a protégé of Vice Admiral Sims, whose outspokenness regarding wartime deficiencies and the power granted to the CNO earned him a poor reputation among higher-ups in the Department of the Navy and OPNAV. [48] A premier naval policymaker and supporter of arms control under the Washington Naval Treaty, Pratt clashed with President Herbert Hoover over building up naval force strength to treaty levels, [49] with Hoover favoring restrictions in spending due to financial difficulties caused by the Great Depression. [50] Under Pratt, such a "treaty system" was intended to maintain a compliant peacetime navy. [49]

Pratt opposed centralized management of the Navy, and encouraged diversity of opinion between the offices of the Navy secretary, CNO and the Navy's General Board. [51] To this effect, Pratt removed the CNO as an ex officio member of the General Board, [51] concerned that the office's association with the Board could hamper diversities of opinion between the former and counterparts within the offices of the Navy secretary and OPNAV. [51] This was in conflict with the powerful Representative Carl Vinson of Georgia, chair of the House Naval Affairs Committee from 1931 to 1947, a proponent of centralizing power within OPNAV who deliberately delayed many of his planned reorganization proposals until Pratt's replacement by William H. Standley to avoid the unnecessary delays that would otherwise have happened with Pratt. [52]

Pratt also enjoyed a good working relationship with Army chief of staff Douglas MacArthur, and negotiated several key agreements with him over coordinating their services' radio communications networks, mutual interests in coastal defense, and authority over Army and Navy aviation. [53]

Standley and Leahy, preparing for war

Leahy (right) relieves Admiral Joseph M. Reeves (left) as Commander, Battle Force, U.S. Fleet, c. June 1936. Admiral William D. Leahy (right) shakes hands with Admiral Joseph M. Reeves NH 47298.jpg
Leahy (right) relieves Admiral Joseph M. Reeves (left) as Commander, Battle Force, U.S. Fleet, c.June 1936.

William H. Standley, who succeeded Pratt in 1933, had a weaker relationship with President Franklin D. Roosevelt than Pratt enjoyed with Hoover, [52] and was often in direct conflict with secretary of the Navy Claude A. Swanson and assistant secretary Henry L. Roosevelt. In fact, Standley's hostility to the assistant secretary was described as "poisonous" on occasion. [52] On the other hand, Standley successfully improved relations with Congress, streamlining communications between the Department of the Navy and the naval oversight committees by appointing the first naval legislative liaisons, the highest-ranked of which reported to the judge advocate general. [54] Most importantly, Standley worked with Representative Vinson to pass the Vinson-Trammell Act, considered by Standley to be his most important achievement as CNO. The Act authorized the President:

“to suspend” construction of the ships authorized by the law “as may be necessary to bring the naval armament of the United States within the limitation so agreed upon, except that such suspension shall not apply to vessels actually under construction on the date of the passage of this act. [55]

William H. Standley (sitting) poses for his last photograph as Chief of Naval Operations on the day of his retirement, 29 December 1936. Faces last shot. Washington, D.C., Dec. 29. Admiral William H. Standley faced his last barrage today. A salva from the guns of a battery of cameramen. He retires as Chief of Naval Operations LCCN2016871034.tif
William H. Standley (sitting) poses for his last photograph as Chief of Naval Operations on the day of his retirement, 29 December 1936.

This effectively provided security for all Navy vessels under construction; even if new shipbuilding projects could not be initiated, shipbuilders with new classes under construction could not legally be obliged to cease operations, which consequently allowed the Navy to adequately prepare for World War II without breaking potential limits imposed by future arms control conferences. [55] The Act also granted the CNO "soft oversight power" of the naval bureaus which nominally lay with the secretary of the Navy, [56] as Standley gradually inserted OPNAV into the ship design process. [56] Under Standley, the "treaty system" created by Pratt was followed and eventually abandoned. [50]

William D. Leahy, who would replace Standley as CNO, pursued similar directives. [57] Leahy's close personal friendship with President Roosevelt since his days as Assistant Secretary of the Navy, as well as good relationships with Representative Vinson and Secretary Swanson [58] brought him to the forefront of potential candidates for the post. [57] The incumbent CNO opposed the appointment, as he had previously clashed with Leahy over the CNO's authority over the naval bureaus and even attempted to block Leahy from being assigned a fleet command in retaliation. [58] With Vinson's backing, Leahy oversaw significant reforms to the officer promotion system, [59] which after protracted negotiations with Congress resulted in an increase in available slots for Navy line officers and permitted retirement pensions for senior officers who failed to meet standards for promotion. [60] Even by 1938, however, this failed to increase the selection of officers available for assignment to seaborne command billets. [60]

Leahy retired from the Navy on 1 August 1939 to become Governor of Puerto Rico, a month before the invasion of Poland. [61] The outgoing Commander, Cruisers, Battle Force, Admiral Harold Rainsford Stark replaced him on the same day.

Official residence

Number One Observatory Circle, located on the northeast grounds of the United States Naval Observatory in Washington, DC, was built in 1893 for its superintendent. The chief of naval operations liked the house so much that in 1923 he took over the house as his own official residence. It remained the residence of the CNO until 1974, when Congress authorized its transformation to an official residence for the vice president. [62] The chief of naval operations currently resides in Quarters A in the Washington Naval Yard.

Office of the Chief of Naval Operations

Organizational chart of the Office of the Chief of Naval Operations (OPNAV). US Navy Office of Chief Naval Operations Org Chart.png
Organizational chart of the Office of the Chief of Naval Operations (OPNAV).

The chief of naval operations presides over the Navy Staff, formally known as the Office of the Chief of Naval Operations (OPNAV). [63] [64] The Office of the Chief of Naval Operations is a statutory organization within the executive part of the Department of the Navy, and its purpose is to furnish professional assistance to the secretary of the Navy (SECNAV) and the CNO in carrying out their responsibilities. [65] [66]

Under the authority of the CNO, the director of the Navy Staff (DNS) is responsible for day-to-day administration of the Navy Staff and coordination of the activities of the deputy chiefs of naval operations, who report directly to the CNO. [67] The office was previously known as the assistant vice chief of naval operations (AVCNO) until 1996, [68] when CNO Jeremy Boorda ordered its redesignation to its current name. [68] Previously held by a three-star vice admiral, the position became a civilian's billet in 2018. The present DNS is Andrew S. Haueptle, a retired Marine Corps colonel. [69]

List of chiefs of naval operations

(† - died in office)

Aide for Naval Operations (historical predecessor office)

No.PortraitAide for Naval OperationsTook officeLeft officeTime in office Secretaries of the Navy
Richard Wainwright (Spanish-American War naval officer), 1902.jpg
Wainwright, RichardRear Admiral
Richard Wainwright
3 December 190912 December 19112 years, 9 days George von Lengerke Meyer
Vreeland, CharlesRear Admiral
Charles E. Vreeland
12 December 191111 February 1913 [70] 1 year, 61 days George von Lengerke Meyer
Bradley A. Fiske cropped.jpg
Fiske, BradleyRear Admiral
Bradley A. Fiske
11 February 19131 April 19152 years, 49 days George von Lengerke Meyer
Josephus Daniels

Chief of Naval Operations

No.PortraitChief of Naval OperationsTook officeLeft officeTime in officeBackground Secretaries of the Navy Secretaries of Defense
NH 366 Admiral William S. Benson, USN (cropped).jpg
Benson, WilliamAdmiral
William S. Benson
11 May 191525 September 19194 years, 137 days Battleships Josephus Daniels None
Position vacant
(25 September 1919 – 1 November 1919)
Robert E. Coontz (cropped).jpg
Coontz, RobertAdmiral
Robert E. Coontz
1 November 191921 July 19233 years, 262 daysBattleships Josephus Daniels
Edwin C. Denby
Edward Walter Eberle.jpg
Eberle, Edward WalterAdmiral
Edward W. Eberle
21 July 192314 November 19274 years, 116 daysBattleships Edwin C. Denby
Curtis D. Wilbur
ADM Charles F. Hughes portrait.jpg
Hughes, Charles FrederickAdmiral
Charles F. Hughes
14 November 192717 September 19303 years, 3 daysBattleships Curtis D. Wilbur
Charles F. Adams III
William Veazie Pratt.jpg
Pratt, William VeazieAdmiral
William V. Pratt
17 September 193030 June 19332 years, 286 daysBattleships Charles F. Adams III
Claude A. Swanson
William Standley 80-G-K-2786 (26144162862).jpg
Standley, William HarrisonAdmiral
William H. Standley
1 July 19331 January 19373 years, 184 daysBattleships Claude A. Swanson None
NH 48260 Admiral William D. Leahy, USN (cropped).jpg
Leahy, WilliamAdmiral
William D. Leahy
2 January 19371 August 19392 years, 211 daysBattleships Claude A. Swanson
Charles Edison
Harold Rainsford Stark.jpg
Stark, Harold RainsfordAdmiral
Harold R. Stark
1 August 19392 March 19422 years, 213 daysBattleships/Cruisers-Destroyers Charles Edison
Frank Knox
FADM Ernest J. King.jpg
King, Ernest JosephFleet Admiral
Ernest J. King
2 March 194215 December 19453 years, 288 days Aviation Frank Knox
James Forrestal
Chester Nimitz as CNO (cropped).jpg
Nimitz, ChesterFleet Admiral
Chester W. Nimitz
15 December 194515 December 19472 years, 0 days Submarines James Forrestal
John L. Sullivan
James Forrestal
80-G-704657 (26290116655).jpg
Denfeld, Louis EmilAdmiral
Louis E. Denfeld
[lower-alpha 1]
15 December 19472 November 19491 year, 322 daysSubmarines John L. Sullivan
Francis P. Matthews
James Forrestal
Louis A. Johnson
Forrest P SHerman.jpg
Sherman, Forrest PercivalAdmiral
Forrest P. Sherman
[lower-alpha 2]
2 November 194922 July 1951 1 year, 262 daysBattleships/Cruisers-Destroyers Francis P. Matthews Louis A. Johnson
George C. Marshall
ADM McCormick, Lynde D.jpg
McCormick, LyndeAdmiral
Lynde D. McCormick
22 July 195116 August 195125 daysBattleships/Cruisers-Destroyers Francis P. Matthews
Dan A. Kimball
George C. Marshall
80-G-412087 (26343401546).jpg
Fechteler, WilliamAdmiral
William M. Fechteler
16 August 195117 August 19532 years, 1 dayBattleships/Cruisers-Destroyers Dan A. Kimball
Robert B. Anderson
George C. Marshall
Robert A. Lovett
Robert Bostwick Carney.jpg
Carney, RobertAdmiral
Robert B. Carney
17 August 195317 August 19552 years, 0 daysBattleships/Cruisers-Destroyers Robert B. Anderson
Charles S. Thomas
Charles Erwin Wilson
ADM Burke, Arleigh (CNO).jpg
Burke, Arleigh AlbertAdmiral
Arleigh A. Burke
17 August 19551 August 19615 years, 349 daysCruisers-Destroyers Charles S. Thomas
Thomas S. Gates Jr.
William B. Franke
John Connally
Charles Erwin Wilson
Neil H. McElroy
Thomas S. Gates Jr.
Robert McNamara
PAA-N-4996 ADM George W. Anderson, Jr. (26501746045).jpg
Anderson, George Whelan Jr.Admiral
George W. Anderson Jr.
[lower-alpha 3]
1 August 19611 August 19632 years, 0 daysAviation John Connally
Fred Korth
Robert McNamara
ADM McDonald, David Lamar.jpg
McDonald, DavidAdmiral
David L. McDonald
1 August 19631 August 19674 years, 0 daysAviation Fred Korth
Paul Nitze
Robert McNamara
KN-15045 Admiral Thomas H. Moorer, USN (cropped).jpg
Moorer, Thomas HinmanAdmiral
Thomas H. Moorer
[lower-alpha 4]
1 August 19671 July 19702 years, 334 daysAviation Paul R. Ignatius
John Chafee
Robert McNamara
Clark Clifford
Melvin Laird
Elmo Zumwalt.jpg
Zumwalt, ElmoAdmiral
Elmo R. Zumwalt
1 July 197029 June 19743 years, 363 daysCruisers-Destroyers John Chafee
John Warner
J. William Middendorf
Melvin Laird
Elliot Richardson
James R. Schlesinger
James Holloway III.jpg
Holloway, JamesAdmiral
James L. Holloway III
29 June 19741 July 19784 years, 2 daysAviation J. William Middendorf
W. Graham Claytor Jr.
James R. Schlesinger
Donald Rumsfeld
Harold Brown
ADM Hayward, Thomas B CNO Official Portrait.jpg
Hayward, Thomas BibbAdmiral
Thomas B. Hayward
1 July 197830 June 19823 years, 364 daysAviation W. Graham Claytor Jr.
Edward Hidalgo
John Lehman
Harold Brown
Caspar Weinberger
Admiral James Watkins, official military photo.JPEG
Watkins, JamesAdmiral
James D. Watkins
[lower-alpha 5]
30 June 198230 June 19864 years, 0 daysSubmarines John Lehman Caspar Weinberger
Admiral Carlisle Trost, official military photo.JPEG
Trost, CarlisleAdmiral
Carlisle A.H. Trost
1 July 198629 June 19903 years, 363 daysSubmarines John Lehman
Jim Webb
William L. Ball
Henry L. Garrett III
Caspar Weinberger
Frank Carlucci
Dick Cheney
Admiral Frank Kelso, official military photo.JPEG
Kelso, FrankAdmiral
Frank B. Kelso II
[lower-alpha 6]
29 June 199023 April 19943 years, 298 daysSubmarines Henry L. Garrett III
Sean O'Keefe
John H. Dalton
Dick Cheney
Leslie Aspin
William J. Perry
Adm. Jeremy M. Boorda (2).jpg
Boorda, Jeremy MichaelAdmiral
Jeremy M. Boorda
[lower-alpha 7]
23 April 199416 May 1996 2 years, 23 daysCruisers-Destroyers John H. Dalton William J. Perry
Admiral Jay Johnson, official military photo.JPEG
Johnson, JayAdmiral
Jay L. Johnson
(born 1946)
[lower-alpha 8]
16 May 199621 July 20004 years, 66 daysAviation John H. Dalton
Richard Danzig
William J. Perry
William Cohen
Clark, VernonAdmiral
Vernon E. Clark
(born 1944)
21 July 200022 July 20055 years, 1 dayCruisers-Destroyers Richard Danzig
Gordon R. England
William Cohen
Donald Rumsfeld
US Navy 050711-N-0000X-001 U.S. Navy File photo, Chief of Naval Operations Adm. Michael G. Mullen.jpg
Mullen, MichaelAdmiral
Michael G. Mullen
(born 1946)
[lower-alpha 4]
22 July 200529 September 20072 years, 130 daysCruisers-Destroyers Gordon R. England
Donald C. Winter
Donald Rumsfeld
Robert Gates
US Navy 071108-N-0000X-001 Navy file photo of Chief of Naval Operations (CNO) Adm. Gary Roughead.jpg
Roughead, GaryAdmiral
Gary Roughead
(born 1951)
29 September 200723 September 20113 years, 359 daysCruisers-Destroyers Donald C. Winter
Ray Mabus
Robert Gates
Leon Panetta
Admiral Jonathan W. Greenert (CNO).jpg
Greenert, JonathanAdmiral
Jonathan W. Greenert
(born 1953)
23 September 201118 September 20153 years, 360 daysSubmarines Ray Mabus Leon Panetta
Chuck Hagel
Ash Carter
Admiral John M. Richardson (CNO) 150917-N-AT895-703 (26207156950).jpg
Richardson, JohnAdmiral
John M. Richardson
(born 1960)
18 September 201522 August 20193 years, 338 daysSubmarines Ray Mabus
Richard V. Spencer
Ash Carter
Jim Mattis
Gilday CNO.jpg
Gilday, MichaelAdmiral
Michael M. Gilday
(born 1962)
22 August 2019Incumbent3 years, 34 daysCruisers-Destroyers/Cyberspace Richard V. Spencer
Kenneth Braithwaite
Carlos Del Toro
Mark Esper
Lloyd Austin

See also


  1. 1 2 "Chief of Naval Operations". United States Navy. Retrieved 31 January 2018.
  2. 1 2 3 4 5 6 "10 USC 5033. Chief of Naval Operations" . Retrieved 24 September 2007.
  3. "10 USC 5035. Vice Chief of Naval Operations". Legal Information Institute . Cornell University Law School. Retrieved 25 August 2018.
  4. 1 2 "10 USC 5013(f). Secretary of the Navy".
  5. "10 USC 165. Combatant commands: administration and support".
  6. "10 USC 5033. Chief of Naval Operations". Legal Information Institute . Cornell University Law School. Retrieved 25 August 2018.
  7. 1 2 Hone & Utz, p. 8.
  8. 1 2 Hone & Utz, p. 2.
  9. Hone & Utz, p. 6-7.
  10. Hone & Utz, p. 5.
  11. Hone & Utz, p. 7-8.
  12. 1 2 3 4 Hone & Utz, p. 10.
  13. Hone & Utz, p. 9.
  14. Hone & Utz, p. 3.
  15. "Navy - Chief of Naval Operations". International Military Digest. 1 (1): 68. June 1915.
  16. 1 2 3 Hone & Utz, p. 11.
  17. "The Chiefs of Naval Operations and Admiral's House, Volume 2". 1969. p. 11.
  18. Thomas C. Hone and Curtis A. Utz. "History of the Office of the Chief of Naval Operations, 1915-2015" (PDF). p. 12. "On 10 February 1913, with just three weeks remaining to the Taft presidency, Meyer appointed Rear Admiral Bradley A. Fiske his Aide for Operations, and he “made the Aide for Operations his liaison man with all the offices and bureaus of the department.”
  19. Hone & Utz, p. 12.
  20. 1 2 Hone & Utz, p. 14-15.
  21. 1 2 3 Hone & Utz, p. 14.
  22. 1 2 3 4 5 6 7 Hone & Utz, p. 15.
  23. 1 2 3 4 Hone & Utz, p. 32.
  24. 1 2 3 4 5 6 7 Hone & Utz, p. 25.
  25. "Bradley Allen Fiske". 21 July 2022.
  26. Hone & Utz, p. 34.
  27. Hone & Utz, p. 25-26.
  28. 1 2 3 Hone & Utz, p. 29.
  29. Hone & Utz, p. 47-48.
  30. Hone & Utz, p. 48.
  31. Glass, Andrew (8 August 2009). "U.S. proclaims neutrality in World War I, August 4, 1914". Politico.
  32. 1 2 3 4 5 Hone & Utz, p. 31.
  33. the final form of which was agreed by Daniels and the secretary of war, Newton D. Baker
  34. 1 2 3 4 5 6 7 8 9 10 11 Hone & Utz, p. 33.
  35. "Hale Soon to Retire". California Digital Newspaper Collection. Stockton Independent. 20 April 1910.
  36. 1 2 3 4 Hone & Utz, p. 36.
  37. 1 2 Hone & Utz, p. 44.
  38. Paul E. Fontenoy, "Convoy System", The Encyclopedia of World War I: A Political, Social and Military History, Volume 1, Spencer C. Tucker, ed. (Santa Barbara: ABC-CLIO, 2005), 312–14.
  39. 1 2 3 4 5 Hone & Utz, p. 45.
  40. 1 2 Hone & Utz, p. 46.
  41. 1 2 Hone & Utz, p. 47.
  42. "Admiral William S. Benson, First Chief of Naval Operations (May 11, 1915–September 25, 1919)". Naval History and Heritage Command.
  43. Hone & Utz, p. 73.
  44. Hone & Utz, p. 83.
  45. Hone & Utz, p. 57.
  46. "Admiral William V. Pratt, Fifth Chief of Naval Operations (September 17, 1930–June 30, 1933)". Naval History and Heritage Command.
  47. Hone & Utz, p. 28.
  48. Hone & Utz, p. 41.
  49. 1 2 Hone & Utz, p. 93.
  50. 1 2 Hone & Utz, p. 94.
  51. 1 2 3 Hone & Utz, p. 99.
  52. 1 2 3 Hone & Utz, p. 100.
  53. Hone & Utz, p. 101.
  54. Hone & Utz, p. 109.
  55. 1 2 Hone & Utz, p. 106.
  56. 1 2 Hone & Utz, p. 107.
  57. 1 2 Borneman, p. 258.
  58. 1 2 Borneman, p. 239-240.
  59. Hone & Utz, p. 116.
  60. 1 2 Hone & Utz, p. 117.
  61. Borneman, p. 280.
  62. "The Vice President's Residence". The White House. Archived from the original on 21 October 2009. Retrieved 31 January 2018.
  63. Archived 22 July 2011 at the Wayback Machine Chief of Naval Operations − Responsibilities. Retrieved 3 July 2010.
  64. "10 U.S. Code § 5033 - Chief of Naval Operations: general duties". Legal Information Institute . Cornell University Law School. Retrieved 25 August 2018.
  65. "10 U.S. Code § 5031 - Office of the Chief of Naval Operations: function; composition". Legal Information Institute . Cornell University Law School. Retrieved 25 August 2018.
  66. "10 U.S. Code § 5032 - Office of the Chief of Naval Operations: general duties". Legal Information Institute . Cornell University Law School. Retrieved 25 August 2018.
  67. "10 U.S. Code § 8036 - Deputy Chiefs of Naval Operations". Legal Information Institute . Cornell University Law School. Retrieved 15 September 2021.
  68. 1 2 Swartz, p. 51.
  69. "Biography - Andrew S. Haeuptle" (PDF). U.S. Navy. Retrieved 15 September 2021.
  70. "Dictionary of American Naval Fighting Ships". Google Books. 1959. p. 563.


  1. Relieved by Secretary Matthews for his role in the Revolt of the Admirals.
  2. Died in office of a heart attack.
  3. Relieved by Secretary of Defense McNamara for insubordination during the Cuban Missile Crisis.
  4. 1 2 Appointed as Chairman of the Joint Chiefs of Staff.
  5. Served as U.S. Secretary of Energy from 1989 to 1993.
  6. Resigned due to controversy surrounding the Tailhook scandal.
  7. Died in office due to suicide by gunshot.
  8. Served as acting CNO in capacity as Vice Chief of Naval Operations from 16 May 1996 to 2 August 1996.

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