There was no recorded wreck at this site so it absolutely was documented on the pertinent authorities, including the Receiver from the Wreck (RoW). U-31 evaded a distribute of 4 torpedoes fired by HMS Trident about fifteen miles (24 km) south of Lorient and was then forced to dive when https://johnnyvjsbn.blogoscience.com/40417262/the-best-side-of-u31