War Wrecks: The Untold Stories - The Duplex Drives of Omaha (2019)

In Normandy, June 6, 1944, a dozen Sherman tanks equipped with floats, the famous Duplex Drives (DD), leave their ship to swim to Omaha Beach, where not all of them make it. Going back over the history of this American tank, we find out how and why this secret weapon was one of the greatest debacle of WWII.