 As recently as 1973, 3,000 copies were reproduced and sent to tactical units in the field.During the 1955 Air Force Worldwide Gunnery Championship, he won all six trophies offered for individual performance, a feat never equaled.He transferred to Randolph Air Force Base in February 1956, and served as chief of the Fighter Division of Crew Training until April 1958, when he was assigned to the 32nd Fighter Interceptor Squadron at Soesterberg Air Base, the Netherlands serving as commander of the squadron before returning to the United States in August 1961.