Comments by "Marten Trudeau" (@martentrudeau6948) on "The First Hunter Killer Submarines; The R-Class of World War One" video.

  1. The Brits didn't anticipate the U-Boat war on shipping in WW2, otherwise they would have developed the R-Class submarine. Not until the 2nd half of 1942 did the Allies start to win against the U-Boat.
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