There was no recorded wreck at this site so it was documented on the applicable authorities, such as the Receiver of the Wreck (RoW). They had been deemed exceptional boats. Over the war eight were sunk, 3 surrendered and were finally scrapped, and two were being thought of lacking. Now https://paxtonzlqhz.activablog.com/33296634/the-best-side-of-u31