 In August 1944, Nazzaro returned to the United States and was assigned as deputy commander, 316th Bombardment Wing, Colorado Springs, Colorado.The wing was moved to Okinawa in December 1945, at which time he assumed command.In May 1946, he became chief of the Operations Division, Headquarters Strategic Air Command, Bolling Field, Washington, D.C.Following graduation from the Air Command and Staff School at Maxwell Field, Alabama, Nazzaro became an instructor at the school, a position he held until December 1948.