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World War II/The Battle of the Atlantic

German submarines (called U-boats) sinking Anglo-American convoys, as they carry war stores across the Atlantic from America to Britain.
Started in ...... Finished in ......

  • ASDIC: underwater detection of U-boats
  • DEPTH CHARGES: improved technology
  • AIRCOVER: UK based bombers extended their range whilst


Royal Navy, US Navy, Merchant Navy