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United States - Circa 1945: The process of detonating the self-destruction charge in the Japanese paper balloon is explained through its electrical circuit, which is designed to activate the charge once the payload is released. A soldier demonstrates the ring payload support structures, showing how the payload is securely attached and explaining the mechanism for its precise release. Once the payload is deployed, the self-destruction mechanism engages automatically, ensuring the balloon is rendered inoperative. The soldier identifies the location of the self-destruction charge and warns that the area could be booby-trapped, posing a potential risk. Instructions are then provided on how to safely disable the paper balloon, rendering it useless and preventing further use. This detailed explanation highlights the technical complexity and safety considerations associated with these devices. (Footage by Roberto Machado Noa/Getty Images) EDITOR'S NOTE: During World War II, the Japanese deployed paper balloons made of mulberry paper and filled with hydrogen, to carry bombs across the Pacific Ocean to North America using high-altitude winds. These balloons, equipped with anti-personnel and incendiary bombs, aimed to cause fires and spread panic. This clip is part of a series explaining how they were designed and how they worked.