That Time Imperial Japan Tried to Bomb the U.S. Using Hydrogen Balloons

Approximately 9,000 balloons packed with explosives drifted toward American shores...

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  • Photo Credit: National Geographic / YouTube
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  • The B-52 bombers used in the Doolittle Raids

    Photo Credit: Wikimedia Commons
japanese balloon bomb
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  • One of the balloon bombs launched by the Japanese. 

    Photo Credit: Wikimedia Commons