America's Secret D-Day Disaster (2014)

Plot

Six weeks prior to the Normandy invasion, a perilous rehearsal involving British, American, and Canadian troops resulted in more American casualties than the actual assault on Utah Beach. The tragic event raises critical questions about the circumstances surrounding it. What went wrong, and how many lives were lost? Delving into the chaos of this ill-fated exercise, the documentary explores accountability and the haunting legacy of decisions made in preparation for one of history's pivotal moments in warfare.