 In June 1964, he transferred to the 393rd Bombardment Squadron, Pease Air Force Base, New Hampshire, as a B-47 commander.In April 1966, he entered B-52 training and upon completion was assigned to the 20th Bombardment Squadron, Carswell Air Force Base, Texas, as a B-52 commander, later serving as chief of the Standardization Division.Between 1969 and 1971, he flew 150 B-52 combat missions during three temporary duty tours in Southeast Asia and served as chief of the Tactical Evaluation Division, 8th Air Force, Andersen Air Force Base, Guam.