D-Day suffers a last minute postponement when the weather over the Channel deteriorates. For Allied Supreme Commander General Eisenhower these are moments of extreme anxiety. Many of his men will be experiencing combat for the first time, and there is much that could go wrong. When meteorologists promise Eisenhower a brief window of improved weather, he takes the gamble and orders the invasion to proceed. Airborne divisions lead the way, parachuting into the darkness over Normandy. Shortly after dawn landing craft approach the coast. At Omaha Beach the Germans are waiting for them. The carnage that follows is described here with vivid personal testimony from both sides.