US destroyer escort USS Francis M. Robinson of Task Group 22.2 sank Japanese submarine RO-501, formerly German submarine U-1224, off the Cape Verde islands, killing the entire crew of 52 including Lieutenant Commander Norita Sadatoshi. RO-501 had a cargo of mercury, lead, steel, aluminum drawings, optical glass, IXC-type submarine blueprints, and Me 163A Komet jet fighter blue prints on board. USS Francis M. Robinson would later receive the Presidential Unit Citation for this action.
