Leading up to D-Day, the Allies had one huge problem. How do you launch the largest seaborne invasion in history without the Nazis knowing about it? Well it wasn't easy, and it took an army, well kind of an army. It also took one spy who was so good, he was awarded honors by both Britain and Germany during the war. Spark up and Strap in as we tackle Operation Fortitude and Allied deception during World War 2.