U-570, captured on August 27, 1941, was the only submarine to see active combat service with both the British Royal Navy and the German Kriegsmarine. But U-570 was not the only submarine whose capture served an enemy in the Second World War.
During the civil war, the manufacture of powder and explosives was often handled by the most vulnerable, young women and children, whose labor was needed when so many men had been sent off to war. On March 13, 1863, the confederacy experienced a munitions disaster, in the confederate capitol of Richmond.