John L. Sullivan (United States Navy)
|United States Secretary of the Navy|
September 17, 1947 – May 24, 1949
|President||Harry S. Truman|
|Preceded by||James Forrestal|
|Succeeded by||Francis P. Matthews|
John Lawrence Sullivan
June 16, 1899
Manchester, New Hampshire, U.S.
|Died||August 8, 1982 (aged 83)|
Exeter, New Hampshire, U.S.
|Education||Dartmouth College (BA)|
Harvard University (LLB)
John Lawrence Sullivan (June 16, 1899 – August 8, 1982) was Assistant Secretary of the Navy (AIR) 1946-47 and the first Department of Defense Secretary of the Navy in the Truman Administration 1947-49. He was appointed to that position upon Secretary Forrestal's installation as the first Secretary of Defense. He resigned in protest after the second Secretary of Defense, Louis A. Johnson, canceled the heavy aircraft carrier United States. This event was part of an interservice conflict known as the Revolt of the Admirals.
Sullivan's major contributions to the Navy's future directions include the advent of naval nuclear propulsion. In 1947, then-Captain Hyman G. Rickover went around his chain-of-command and directly to the Chief of Naval Operations, Fleet Admiral Chester Nimitz, by chance also a former submariner, to pitch his ideas for creating a nuclear-powered warship. Nimitz immediately understood the potential of nuclear propulsion and recommended the project to Sullivan, whose endorsement to build the world's first nuclear-powered vessel, USS Nautilus (SSN-571), later caused Rickover to state that Sullivan was "the true father of the Nuclear Navy."
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| Assistant Secretary of the Navy (AIR)
July 5, 1945 – June 17, 1946
John N. Brown
| Under Secretary of the Navy
June 17, 1946 – September 18, 1947
W. John Kenney
James V. Forrestal
| United States Secretary of the Navy
September 18, 1947 – May 24, 1949
Francis P. Matthews
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