German U-Boat Newsreel Refuel at Sea 1940
This German propaganda movie was part of a U.S. Navy archive compiled during WWII, and acquired by Periscope Film. In this film, a German U-boat is shown being resupplied at sea by a Type XIV milkcow submarine. Torpedoes and food are transferred, along with diesel fuel. The U-boat then resumes its hunt for English merchant ships during the Battle of the Atlantic.