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.
The “Great Sedition Trial” uncovered shocking connections at the time with the German reich that we were fighting, and challenged the idea that the nation was of a single mind during the war. It also challenged exactly how far the national commitment to freedom of speech and opinion reached, especially in extraordinary times.