In 1943, Hitler hatches plans for a diabolical weapon: a bank of “superguns” housed in an underground complex in Nazi-occupied northern France, which could pump 300 high-explosive shells into London every hour. Join NOVA as engineers, archaeologists, and WWII historians investigate how this weapon could work, and discover the two audacious missions designed to destroy the seemingly impregnable supergun complex.
Cheapest price in the interval: 12.99 on October 22, 2021
Most expensive price in the interval: 18.29 on December 20, 2021
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