There was no recorded wreck at this spot so it had been described to the pertinent authorities, including the Receiver of the Wreck (RoW). They were being considered superb boats. Throughout the war eight were sunk, a few surrendered and were being inevitably scrapped, and two were being thought of https://u3122087.sharebyblog.com/33991269/the-smart-trick-of-u31-that-no-one-is-discussing