Near Canadian coast.Intercepted a convoy full of fat targets,about 5 10000+ ships including a battleship.Planned to kill escorts and use all remaining torpedoes on the ships .Sunk an Flower Class,then detected and depth charged for 8-10 hrs in-game time.Periscopes, front compartment damaged and floded. Gun,radio, hydrophones destroyed. Returning for repairs to Lorient. Nobody died and the kaulen learned an important lesson.