John Sidney McCain III was an American politician and United States Navy officer who served as a United States senator from Arizona from 1987 until his death in 2018. He previously served two terms in the United States House of Representatives and was the Republican nominee for president of the United States in the 2008 election.

John Sidney McCain III was born on August 29, 1936, at Coco Solo Naval Air Station in the Panama Canal Zone, to naval officer John S. McCain Jr. and Roberta (Wright) McCain. He had an older sister, Sandy, and a younger brother, Joe. At that time, the Panama Canal was under U.S. control and he was granted U.S. citizenship at the age of eleven months.