SECRET RUSSIAN AIRCRAFT OF WORLD WAR II reveals how, despite the ever-present danger, Soviet designers mastered technical hurdles astonishing even by today's standards. Rare footage, photos and plans show their creations: a swept-wing, delta aircraft design, a rocket-powered fighter, a long distance fixed-wing aircraft which helped inspire the U-2 spy plane, a flying tank prototype, a submarine-bomber combination, and a canard-wing aircraft.