The date is the 6 June 1944. The paratroopers on board the aircraft are crammed together, joking and singing over the drone of the engines, none of them dwelling on the gnawing fear in their guts. They reach the French coastline, and everyone goes quiet when loud explosions and flashes erupt around the aircraft. Pilots desperately dodge and swerve through the cool night air while the men hold firm, preparing to jump. They reach the open door; the green light flicks on and they leap without hesitation into a sky lit up by flak, ready to meet their fate. One after another, thousands of white...