In the summer of 1944, a handpicked group of young GIs—including such future luminaries as Bill Blass, Ellsworth Kelly, Arthur Singer, Victor Dowd, Art Kane, and Jack Masey—landed in France to conduct a secret mission. Armed with truckloads of inflatable tanks, a massive collection of sound-effects records, and more than a few tricks up their sleeves, their job was to create a traveling road show of deception on the battlefields of Europe, with...