#hmsgraph

U-570 was a German Type VIIC U-boat in Nazi Germany’s Kriegsmarine, she was attacked and captured on her first patrol in mid-1941. She provided both the Royal Navy and United States Navy with significant information on German submarines, and carried out three combat patrols with a Royal Navy crew as HMS Graph, becoming the only U-boat to see active service with both sides during the war. She was withdrawn from service in 1944 due to problems maintaining her