John L. Sullivan (June 16, 1899–August 8, 1982), Served in the United States Navy and was the first Department of Defense Secretary of the Navy in the Truman Administration. 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, cancelled the heavy aircraft carrier United States in an effort to strip airpower from the Navy. This event was part of an interservice conflict known as the Revolt of the Admirals. June 16 is the 167th day of the year in the Gregorian calendar (168th in leap years), with 198 days remaining. ... 1899 (MDCCCXCIX) was a common year starting on Sunday (see link for calendar). ... August 8 is the 220th day of the year in the Gregorian Calendar (221st in leap years), with 145 days remaining. ... 1982 (MCMLXXXII) was a common year starting on Friday of the Gregorian calendar. ... USN redirects here. ... The United States Department of Defense, abbreviated as DoD or DOD and sometimes called the Defense Department, is a civilian Cabinet organization of the United States government. ... Flag of the United States Secretary of the Navy. ... Harry S Truman (May 8, 1884–December 26, 1972) was the thirty-third President of the United States (1945–1953); as Vice President, he succeeded to the office upon the death of Franklin D. Roosevelt. ... James Vincent Forrestal (February 15, 1892–May 22, 1949) was a Secretary of the Navy and the first United States Secretary of Defense (1947 - 1949). ... The United States Secretary of Defense is the head of the United States Department of Defense, concerned with the armed services and The Secretary is a member of the Presidents Cabinet. ... Louis Arthur Johnson (January 10, 1891 - April 24, 1966) was the second United States Secretary of Defense, serving in the cabinet of President Harry S. Truman from March 28, 1949 to September 19, 1950. ... USS United States (CVA-58), the third ship of the US Navy named for its nation, was to be the lead ship of a radical new design of aircraft carrier. ... Interservice rivalry is a military term referring to rivalries that can arise between different branches of a countrys armed forces, such as between a nations land forces (army) and naval forces. ... The Revolt of the Admirals was a late 1940s episode during which several high-ranking officers of the United States Navy publicly disagreed with the United States governments plans for the military forces. ...