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 aircraft carrier operations. He and his son, John S. McCain Jr., were the first father-and-son pair to achieve four-star admiral rank in the U.S. Navy.
- Occupation
- military officer, admiral
- Citizenship
- United States
- Born
- August 9, 1884
- Died
- September 6, 1945
