U-553 Type VIIC Uboat under Captain Karl Thurmann sank 13 ships and 2 damaged in the Battle of the Atlantic in 1941 and 1942. Their last Victory was 0910am 9th December 1942, the merchantman Charles L.D. with 48 on board heading for the River Clyde, Glasgow. Back on duty in January 1943 U 553 went missing, lost with 47 crewman. Last seen by U 465 in the evening on 20 January 1943 at 48.15N, 15.35W South West of Ireland. They had reported periscope problems. God rest their souls.