NOVA 43x22 - Bombing Hitler's Supergun

Growing desperate in 1943, Hitler hatches a diabolical weapon:a bank of "superguns" housed in a massive underground complexin Nazi-occupied northern France. Together the guns would beable to pump 600 high explosive shells 100 miles into downtownLondon every hour. This weapon could spell doom for the allies.But how can such a massive gun possibly work? Join NOVA asengineers, archaeologists and WWII historians investigate thisfearsome weapon. And discover the two audacious missionsdesigned to destroy the seemingly impregnable superguncomplex, one of which is led by Joseph Kennedy, Jr.