Major (later Lieutenant Colonel) Harvey Stovall, who is a former World War I U.S. Army Air Service pilot who has returned to active duty as a non-flying adjutant, was modeled on William Howard Stovall, a World War I flying ace who returned to active duty as a Major in the U.S. Army Air Forces the week following Pearl Harbor and served as the non-flying Deputy Chief of Staff for Personnel for the 8th Air Force in England for his World War I comrades, Brigadier General Frank O'Driscoll Hunter and General Carl Spaatz.