This series has been fully up-rezzed to HD, re-voiced, new editing to sort errors discovered and re-balanced to have fewer recaps for binge watchers rather than 24 weeks of serial TV.
One of the main reasons for the success of the D-Day landings was the element of surprise, the incredibly huge invasion force, congregating along the south coast of England went undetected by German Intelligence.
Hitler's Generals believed the stormy weather meant it would be mission impossible, and it almost was.