German strategists knew that the next Allied step was the invasion of northwestern Europe in the summer of 1944, but it was not entirely known where it would take place.
Most were convinced that the target would be the area of Calais, strategically more significant than Normandy. The Allies supported them in this belief by massive and massive operational deception, which provided German intelligence with "evidence" of a large gathering of forces in southern England, opposite Kale.
This does not mean that they neglected defense measures in Normandy, moreover, in the months leading up to the invasion, a large part of the coast of the Calvados department, with a particular focus on the future Omaha sector, was transformed into a horror factory that could find anything within the range of anti-tank hedgehogs , to the automatic mortar launcher.
