John S. McCain, Sr.

John S. McCain, Sr.

United States Admiral
Born Aug 9, 1884

John Sidney "Slew" McCain Sr. was a U.S. Navy admiral. He held several command assignments during the Pacific campaign of World War II. McCain was a pioneer of aircraft carrier operations who in 1942 commanded all land-based air operations in support of the Guadalcanal campaign, and who ultimately in 1944–1945 aggressively led the Fast Carrier Task Force, in the Pacific Ocean theater of World War II.… Read More


Learn about the memorable moments in the evolution of John S. McCain, Sr..


1884 Birth Born on August 9, 1884.


1906 21 Years Old At the Naval Academy, his performance was lackluster. He failed his annual physical on account of defective hearing, but the condition was waived due to the great need for officers. When he graduated in 1906, he ranked 79 out of 116 in his class, and the yearbook labeled him "The skeleton in the family closet of 1906." … Read More
1907 22 Years Old Soon after earning his commission, McCain sailed aboard the Great White Fleet's world cruise from 1907 to 1909, joining the battleship for the last stretch home. … Read More
1914 29 Years Old During 1914 and 1915 he was executive officer and engineering officer aboard the armored cruiser USS Colorado, patrolling off the Pacific coast of then-troubled Mexico.


1915 30 Years Old In September 1915, he joined the armored cruiser USS San Diego, flagship for the Pacific Fleet. … Read More
1918 33 Years Old McCain left the San Diego in May 1918, two months before she was sunk, when he was assigned to the Bureau of Navigation. … Read More


1935 50 Years Old In 1935, McCain enrolled in flight training.
1936 51 Years Old Graduating at 52 in 1936, he became one of the oldest men to become a naval aviator and from 1937 to 1939 he commanded the aircraft carrier the.
1941 56 Years Old 1 More Event
In January 1941, after promotion to rear admiral, he commanded the Aircraft Scouting Force of the Atlantic Fleet. … Read More
1943 58 Years Old In August 1943, he became Deputy Chief of Naval Operations for Air with the rank of vice admiral.
1944 59 Years Old 1 More Event
McCain returned to combat in the Pacific in August 1944 with his appointment as commander of a carrier group in Marc Mitscher's Task Force 58 (TF 58), part of Raymond Spruance's Fifth Fleet. … Read More


By war's end in August 1945, the stress of combat operations had worn McCain down to a weight of only 100 pounds.