Standing on the German fortress and looking up at the 7-kilometer-long beach, there is no cover for the U.S. military. It's the shooting game of "Normandy landing", machine guns shooting without pause, and then looking at the fallen creatures one after another. Now we are stepping on the beach under our feet, which was covered with metal barriers, barbed wire, and the German army expected the coalition to land at high tide. The sea covered the barriers, allowing the landing vessel to collide directly with the bottom of the damaged vessel and sink. The German Nazi army also placed six cannons on the point Du hor cliff between Utah Beach and Omaha Beach. On the hills on both sides of the four entrances to Omaha Beach, there were many unstoppable fortresses, guarded by heavy soldiers, and the muzzle of the gun was directed at the beach. It was conceivable how difficult it was to take down the beach.