There was no recorded wreck at this area so it was claimed towards the appropriate authorities, including the Receiver in the Wreck (RoW). U-31 evaded a spread of 4 torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then forced to dive when fired https://u3133090.bloggip.com/34219926/the-basic-principles-of-u31