The Ridiculous British Pipes Nazi U-Boats Nicknamed 'The Circular Saw'

The Nazis called it the Kreissäge — the Circular Saw. A crude bundle of drilled steel pipes towed behind British and Canadian warships, banging and clattering through the water just to be louder than the ship itself. It sounds absurd. It defeated one of Germany's most advanced weapons of the war: the Zaunkönig acoustic homing torpedo. This is the story of the Foxer, the ugliest, cheapest, most effective countermeasure of the Battle of the Atlantic — and the U-boat crews who learned to dread its rattling shriek. #BattleOfTheAtlantic #WW2History #NavalHistory #Uboats #WWIIDocumentary