You are watching America's Secret D-Day Disaster the movie produced in US belongs with duration 52 Min in Category Documentary,History,War,. broadcast at streamingjoy.com , by N/A 6 weeks before D-Day, British, American, and Canadian soldiers took part in a dangerous rehearsal for the Normandy invasion which claimed more American lives than the attack on Utah Beach. So what happened? How many Americans died? And who is to blame?.