Also known as: Das_Boot, U・ボート(映画), Uボート(映画)
1981 West German War film written and directed by Wolfgang Petersen and starring Jürgen Prochnow .
Follows the Kriegsmarine officers and crew of a German World War II Submarine during a patrol mission in the North Atlantic. Pulls no punches in showing the grimy, claustrophobic and terrifying life of a wartime submariner.