They were delayed by 20 minutes and the smoke screens that should have hidden their assault had lifted, with the advantage of surprise and darkness lost the Germans had manned their defensive positions in preparation for the landings.
They were delayed by 20 minutes. They were delayed by the smoke screens. These smoke screens should have hidden. Their assault had lifted. This was with the advantage of surprise. Darkness lost. The Germans had manned their defensive positions in preparation for the landings.