There was no recorded wreck at this site so it absolutely was documented on the suitable authorities, including the Receiver of your 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 https://traviswuhvk.blogrelation.com/40376988/not-known-details-about-u31