D. M. Giangreco served as an editor of the Military Review for the U.S. Army Command and General Staff College for twenty years and served as the editor and publications director for the Foreign Military Studies Office in Fort Leavenworth, Kansas. He is the award-winning author or coauthor of fourteen books on military and sociopolitical subjects, including Hell to Pay: Operation Downfall and the Invasion of Japan, 1945-1947 and Eyewitness Pacific Theater: Firsthand Accounts of the War in the Pacific from Pearl Harbor to the Atomic Bombs.