Rear Admiral John W. McCain was a notable figure in the United States Navy, serving with distinction during his military career. Born on September 17, 1911, he was the son of Admiral John S. McCain Jr. and the grandson of Admiral John S. McCain Sr., both of whom also had significant naval careers. He played a crucial role in World War II and the Vietnam War, where he was captured and held as a prisoner of war for over five years. After his release, McCain continued to serve in various leadership positions, eventually becoming the commander of the U.S. Pacific Fleet. He retired in 1977, leaving behind a legacy of service and dedication. His son, Senator John McCain, also became a prominent political figure, furthering the family's long-standing connection to military and public service.