November 1943—May 1945—The U.S. Army Air Forces waged an unprecedentedly dogged and violent campaign against Hitler's vital oil production and industrial plants on the Third Reich's southern flank. Flying from southern Italy, far from the limelight enjoyed by the Eighth Air Force in England, the Fifteenth Air Force engaged in high-risk missions spanning most of the European continent. The story of the Fifteenth Air Force deserves a prideful place in the annals of American gallantry.In his new book,The Forgotten Airmen: The Daring Airmen Who Crippled Hitler's Oil Supply, Tillman brings into focus a seldom-seen multinational cast of characters, including pilots from Axis nations Romania, Hungary, and Bulgaria and many more remarkable individuals. They were the first generation of fliers—few of them professionals—to conduct a strategic bombing campaign against a major industrial nation. They suffered steady attrition and occasionally...