Eisenhower’s worst enemy was Mother Nature. A major amphibious landing in stormy weather, when waves could swamp a landing craft, was out of the question. D-Day was actually supposed to happen on June 5, but bad weather forced Eisenhower to postpone it a day. That was due to his meteorological team correctly predicting that there would be a dry spell on June 6. What would have happened if his meteorological team made a wrong forecast? Later on, on June 19, two weeks after the landings, a fierce storm wrecked numerous landing crafts and artificial harbors, delaying badly needed Allied reinforcements and supplies. If that storm had struck during or after the invasion, the results could have been catastrophic (Peck, Five Ways). However, the weather is not the only thing that can be