Under Ten Flags (Italian: Sotto dieci bandiere) is a 1960 Italian-American war film directed by Duilio Coletti and starring Van Heflin, Charles Laughton, and Mylène Demongeot.

[2] Loosely based on actual events during World War II, the film depicts real-life German Captain Bernhard Rogge commanding the navy raider Atlantis, which from May 1940 to November 1941 sank 22 Allied merchant ships.

After eighteen months of successful raids, Atlantis is sunk on 22 November 1941 by the British cruiser Devonshire.

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