"Slew" McCain, U.S. Navy admiral who saw action in the Pacific war, was what relation to the recent Presidential candidate?
Early life and military career of John McCain:  McCain's father and grandfather were admirals in the United States Navy. John S. McCain Sr.: John Sidney McCain Sr. (August 9, 1884 – September 6, 1945), nicknamed "Slew", was a U.S. Navy admiral. John S. McCain Sr.:  He held several command assignments during the Pacific campaign of World War II.
grandfather