During WW2, the Japanese released 9,000 balloons, each carrying a bomb—1,000 balloons reached the USA—apart from the party from Oregon, there were no other casualties.


Francine Uenuma writing in Smithsonian Magazine, makes the following points:
  • The Japanese bombs were the first intercontinental weapon system.
  • The USA censored all stories about Japanese balloons to prevent panic.
  • The Japanese discontinued the balloon program when they heard nothing on US radio about the balloons.


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