World War II secret weapons are examined. Included: the Japanese Kaiten suicide submarine; the ME 163 Komet, a German rocket-powered fighter aircraft. Also: US Navy research into remote-controlled airplanes packed with explosives.
Low-level battles fought just over the treetops, where split-second decisions are critical, are recalled. Included: a World War II battle involving U.S. bomber escorts who are attacked by German fighters; and a Vietnam War battle between F-4Cs and MiG-17s.