To drop an ingenious weapon that had never been used before. it's genuinely the stuff of legends. i think the modern day air force can be as inspired now by what they did, albeit it was some 80 years ago. the story was made into a film. 19505 special effects recreating the drama of the mission. the man who created the bouncing bomb used these very marbles to test the theory of skimming them off water. he just thought to himself, what would be the engineer's way of stopping the war? they belong to barnes wallace's daughter, who was then about ten, and recalls the effect the mission had on herfa...