John Sidney "Slew" McCain Sr. was a United States Navy admiral and the patriarch of the McCain military family. McCain held several commands during the Pacific War of World War II and was a pioneer of
Vice Admiral John S Mc Cain
McCain as a young ensign listens to President Theodore Roosevelt as he stands on a gun turret to address the officers and men of the USS Connecticut, upon its return as a part of the Great White Fleet in February 1909 in Hampton Roads, Virginia
McCain's naval aviator certificate
McCain's rear admiral nomination
William Frederick "Bull" Halsey Jr. was an American Navy admiral during World War II. He is one of four officers to have attained the rank of five-star fleet admiral of the United States Navy.
John S. McCain Sr.
…to familiarize them with shipboard life. The 1903 cruise was on the USS Chesapeake, a barque skippered by Commander William F. Halsey Sr., whose son William F. Halsey Jr., a midshipman two years ahead of McCain, was also aboard. McCain then went to New York for Independence Day celebrations on the battleship USS Indiana…
Official portrait, c. 1945
Halsey with members of his staff
An SBD Dauntless flies anti-submarine patrol over Enterprise and Saratoga
Halsey in the South Pacific, May 1944