There was no recorded wreck at this location so it was documented to the pertinent authorities, including the Receiver of 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://u3156308.ivasdesign.com/55615828/getting-my-u31-to-work