Loch Ryan, Scotland for Royal Navy Operation Deadlight, the scuttling of surrendered German U-boats, and sunk on 21 December the same year. Post war U-155 was located and identified in 2001 by a team of divers led by nautical archaeologist Innes McCartney, revealing the wreck was lying upright on the sea bed, largely intact, at a depth of . Her crew held their 25th reunion in 1995 with former Oberleutnant zur See Johannes Rudolph and one of the Mosquito pilots who attacked the boat in June 1944 'on board'. Summary of raiding history See also List of Operation Deadlight U-boats References Notes Citations Bibliography External links German Type IX submarines U-boats commissioned in 1941 Operation Deadlight World War II submarines of Germany 1941 ships Ships built in Bremen (state) U-boats scuttled in 1945 Maritime incidents in December 1945