Bombing Hitler's Supergun
Growing desperate in 1943, Hitler hatches plans for a diabolical weapon: a bank of "superguns" housed in a massive underground complex in Nazi-occupied northern France, that could spell doom for the allies. But how can such a massive gun possibly work? Join NOVA as engineers, archaeologists and World War II historians investigate this fearsome weapon. And discover the two audacious missions designed to destroy the seemingly impregnable supergun complex, one of which is led by Joseph Kennedy Jr.