There was no recorded wreck at this location so it absolutely was documented to the appropriate authorities, such as the Receiver of your Wreck (RoW). U-31 evaded a distribute of four torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then pressured to dive https://u3168988.blognody.com/35997119/u31-fundamentals-explained