Das Boot (pronounce [das boːt], German for The Boat/The Submarine) is a 1981 feature film directed by Wolfgang Petersen, adapted from a novel of the same name by Lothar-Günther Buchheim. Hans-Joachim Krug, former first officer on U-219, served as a consultant, as did Heinrich Lehmann-Willenbrock, the captain of the real U-96.