Five Ways D-Day Could Have Been a Disaster

With hindsight, it is easy to assume that by 1944, the Third Reich was doomed. It could have all gone very wrong.

General Dwight D. Eisenhower's face was grim but composed as he read a short message to the assembled group of reporters on the morning of June 7, 1944.

"Our landings in the Cherbourg-Havre area have failed to gain a satisfactory foothold and I have withdrawn the troops. My decision to attack at this time and place was based upon the best information available. The troops, the air and the navy did all that bravery and devotion to duty could do. If any blame or fault attaches to the attempt, it is mine alone."

Eisenhower never actually uttered these words. But he did scribble them down in the tense days before the Normandy invasion. Despite the years of planning for D-Day, and the awesome armada of men, ships and planes that he commanded, Eisenhower knew how risky it was to storm ashore into the heart of Hitler's Atlantic Wall.

With seventy years of hindsight, it is easy to assume that by June 1944, the Third Reich was doomed. Russian armies were relentlessly advancing from the East; Anglo-American armies were invading from the West, while German cities and factories burned under around-the-clock attacks by American and British bombers.

But those who fought the Germans knew better than to underestimate them.

As Eisenhower contemplated the assault on Hitler's Fortress Europe in the hours before D-Day, he knew how dangerous the operation was.

D-Day was a success. But here are five ways that D-Day could have ended in disaster:

The Germans could have learned the location of the invasion. By early 1944, everyone knew the invasion would soon be coming. British civilians knew, as they watched their island practically sink under the weight of division after division of American troops. Hitler also knew, which is why he transferred his elite panzer divisions from the Eastern Front to the West.

The big question wasn't if the Allies would come, but where. Control of the seas gave the Allies immense flexibility in picking an invasion site, which meant the Germans had to be prepared for landings anywhere from France, to Belgium, to the Netherlands (Hitler was even convinced there would be a landing in Norway).

Nonetheless, the Germans could make some educated guesses. The ideal invasion site would be within range of fighter cover from English airfields. It would also be as close as possible to ports in southern England, to minimize sailing time for invasion convoys.

The Normandy peninsula was a possibility. But the obvious candidate was the Pas-de-Calais region, just twenty miles across the English Channel from the cliffs of Dover. The Germans kept many of their troops around Calais, and the Allies happily encouraged them to do so. They even created a fake army—commanded by George Patton—that appeared poised for a Calais invasion. The result was that the Germans maintained substantial forces in Pas-de-Calais for months, convinced that Normandy was just a decoy landing. Meanwhile, their armies in Normandy were relentlessly chewed up until the Allies achieved a breakthrough in August that took them all the way to Germany.

It could have turned out differently. Perhaps the Germans might have guessed that Normandy was the real invasion site. Perhaps a German spy in England had managed to penetrate Allied security. A careless word, a stolen document...there were so many ways that the secret of D-Day might have been compromised.

Whatever the reason, the result would have been catastrophic. German defenses would have been strengthened; every beach would have become a kill zone like Omaha Beach, where the first waves of U.S. soldiers were almost wiped out.

But the death blow to D-Day would have been the panzer divisions massing in Normandy to drive the invaders into the sea. At the least, substantial reinforcements would have been transferred from Pas-de-Calais to Normandy, which would have delayed the Allied breakout. Instead of celebrating New Year's Eve 1944 on the German border, the Allies armies might have spending it on an overcrowded beachhead in France.

The German panzers might have counterattacked. Even if the Allies managed to breach the German pillboxes and minefields on the invasion beaches, the danger was only just beginning. The most vulnerable time for an amphibious invasion is just after the landing, when the shallow beachhead lacks defensive depth, and the invaders haven't had time to bring ashore armor and artillery. If the Germans had been able to quickly launch a massed counterattack at Normandy with their panzer divisions, Eisenhower might have been forced to read his somber speech.

Yet it wasn't that simple. The Germans didn't know where the invasion would come. They had ten panzer divisions in France and the Netherlands. But where to place them? Hitler and his generals couldn't make up their minds. On one side, were the commanders of Panzer Group West, the central armored reserve in France, who urged that the tanks be massed in a central position near Paris, from where they could respond with a concentrated blow to any Allied landing. That was the way it was done in Russia, where the panzers functioned as a "fire brigade," moving up and down the front to defeat Soviet offensives.

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