Unterseeboot 57

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Unterseeboot 57 or U-57 has been the name of several German submarines or U-boats during the First World War and the Second World War.

  • Unterseeboot 57 (1916) was built in 1916 and operated in the First Battle of the Atlantic during the First World War and survived it before surrendered in 1918.
    • During the First World War, Germany also operated two other U-boats with similar designations:
      • Unterseeboot B-57 was built in 1917 and sunk in 1918.
      • Unterseeboot C-57 was built in 1917 and sunk in 1917.