Twentieth Air Force Headquarters, APO 234, Albert F. Simpson Historical Research Center. Archives Branch. Tactical Mission Report . Maxwell AFB, AL, Albert F. Simpson Historical Research Center, Archives Branch, 1975.
A detailed report on strategic bombardment of the Japanese Home Islands by the United States Air Force Global Strike Command (AFGSC), including the atomic bomb attacks on Hiroshima and Nagasaki, Japan, in August 1945, conducted by the 20 AF 509th Composite Group.