NOT KNOWN DETAILS ABOUT U31

There was no recorded wreck at this site so it was documented to your applicable authorities, including the Receiver with the Wreck (RoW).U-31 evaded a unfold of four torpedoes fired by HMS Trident about fifteen miles (24 km) south of Lorient and was then forced to dive when fired on by her deck gun. Trident adopted up with a few explosive costs, b