e beaches had to be tested in order to see if it could hold the weight of the tanks and infantry. The landing also had to be calculated to were they land and can get off the beach by ten o'clock a.m. The rivers were first a problem because of the intentional flooding by Erwin Rommel. This was later thought if the Allies can not go over the Germans would not be able to bring reinforcements so it ended up to a plus. The sand was actually collected as samples by two men on New Years Eve. Rommel thought the Allies would attack some time in late May and it would on high tide so they could get off the beaches as soon as possible. Erwin was wrong on both account!
s leaving him almost twenty-four hours away at the time of the invasion. The original plan did not call for the western expansion of the beach later code named Utah. This area was badly flooded and there the Atlantic Wall was at its greatest power with "Big Guns" and reinforced division of troops. Hitler convinced himself that the invasion all together was a hoax by the Allie powers. Adolph let Rommel deal with all the specifics dealing with the wall. The whole purpose of the invasion was to get foothold in France. The main concern of the Allies was to get by the Atlantic Wall, which was successful in almost every case with in an hour. Since the troops were mostly trained on this, after they were through most of the troops did not know what to do. At no point of time did the Allie powers get farther then two miles inland during the whole invasion. The deceitfulness and technology had a large part in the surprising and success over the Axis.
In order to keep the Germans guessing when and where the invasion would take place being quit was necessary. The Germans knew that there was a major offensive plan to take place. The new technology of the war kept the Germans on their toes. New fighters and bombers plus the addition of new tanks like the D.D. the first amphibio...