 In December 1964, Nazzaro became vice commander in chief of Strategic Air Command, and in February 1967, he was appointed commander in chief.He assumed duties as commander in chief of Pacific Air Forces with headquarters at Hickam Air Force Base, Hawaii, in August 1968.Nazzaro retired from the Air Force on August 1, 1971 and died of cancer February 5, 1990 at age 76.