“As the real army plowed through the waves toward Normandy, two more fake convoys were scientifically simulated heading for the Seine and Boulogne by dropping from planes a blizzard of tinfoil, code-named “Window,” which would show up on German radar as two huge flotillas approaching the French coast.”

“As the real army plowed through the waves toward Normandy, two more fake convoys were scientifically simulated heading for the Seine and Boulogne by dropping from planes a blizzard of tinfoil, code-named “Window,” which would show up on German radar as two huge flotillas approaching the French coast.”

— Ben Macintyre