William H. Hamilton Jr. served as a fighter pilot in the Korean War before his involvement in underwater demolition teams. In 1961, he became the commander of UDT-21, in Little Creek, Virginia, where, with Roy Boehm, he was responsible for developing the Navy SEAL program. Later, he was one of two men responsible for developing SEAL Team Six. Hamilton retired from the Navy in 1986. He lived with his wife in Virginia Beach, Virginia, until his death in 2016.
