Title: The U-boat
Subjects: European history: Second World War, Maritime history, Naval forces & warfare, Submarines, Kriegsmarine, Naval History - World War II, World War, 1939-1945, Transportation, Pictorial works, History: World, Germany, Military - Naval, General, Germany., History, Naval operations, German, Germany, kriegsmarine, Germany, history, 1933-1945, Warships, World war, 1939-1945, naval operations, german