Comments by "David Elliott" (@davidelliott5843) on "Anti-Sub Warfare in WW1 - From Hammers to Hunter-Killers" video.

  1. The growth of submarine fleets was a great example of S curve revolution. It started slowly but suddenly took off. It only came to an end during WW2 with kit like Hedgehog and sonar.
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  2. Britain and USA seemed to have a penchant for building dud torpedoes.
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