BBC - Scotland's War at Sea (2015) Part 2 The Battle of the U-Boats

David Hayman tells the story of the battle for control of the North Sea during the First World War.

Part 2 The Battle of the U-Boats

In April 1917, German U-Boats were sinking a dozen British ships every day. The First Sea Lord, Jellicoe, warned that Britain might not be able to carry on fighting into 1918. David Hayman explores Germany's World War One U-Boat threat, and the fascinating and dastardly ploys Britain used against the submarines.

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