At WWII's outset, US and UK military aircraft designs were woefully behind Germany's and Japan's technologically superior planes. But the genius and ingenuity of innovators on both sides of the Atlantic closed the gap. For America, it was a handful of visionaries and their teams; for Great Britain, a creative and thoughtful spirit emanated from the top leadership on down. In this hour, we recount the untold stories of their cutting-edge designs and solutions, some of which proved decades ahead of their time.