America almost conducted a doomed invasion of France in 1942
In the lead up to American involvement of World War II, President Franklin D. Roosevelt committed his administration to a "Germany-First" policy if the U.S. entered the war. When Japan attacked Pearl Harbor, it shook his commitment, but he stuck to it. Although, in his rush to take the pressure off the U.K. and the Soviet Union, he almost pressed American forces into a doomed invasion.
Workers assemble fighter aircraft at Wheatfield, New York.
The American war machine had to shake itself awake at the start of 1942. While the industrial base had achieved some militarization during Lend-Lease and other programs, it would need a lot more time to produce even the tools necessary to make all the vehicles, uniforms, and even food necessary to help the troops succeed in battle.
And those troops needed to be trained, but almost as importantly, many of the military leaders needed to get seasoned in combat. There were generals with limited experience from World War I and plenty of mid-career officers and NCOs who had never fought in actual battle.
But there was limited time to ramp up. England was barely staving off defeat, beating back German attack after attack in the air to keep them from crossing the English Channel. And the Soviet Union was facing 225 German divisions on the Eastern Front. According to Rick Atkinson's An Army at Dawn:
If Soviet resistance collapsed, Hitler would gain access to limitless oil reserves in the Caucasus and Middle East, and scores of Wehrmacht divisions now fighting in the east could be shifted to reinforce the west. The war could last a decade, War Department analysts believed, and the United States would have to field at least 200 divisions....
Russian anti-tank infantrymen in the important Battle of Kursk. Soviet troops were reliant on American arms for much of World War II, but there sacrifice in blood inflicted the lion share of casualties against Nazi Germany.
(Cassowary Colorizations, CC BY 2.0)
To get the pressure off the Soviet Union and ensure it survived, thereby keeping hundreds of German divisions tied up, Roosevelt committed U.S. forces to a 1942 invasion. And his top officers, especially the new Commander in Chief, United States Fleet, Adm. Ernest J. King, told Roosevelt that the American invasion had to be made at France.
And this made some sense. While Great Britain was lobbying for help in North Africa in order to keep Italy from taking the oil fields there, invading North Africa would pull few or no troops from the Eastern Front. And while the oil fields in North Africa were important, the Italian military hammering there was less of a threat than the German attacks on the Soviet Union.
And attacks into Europe could be driven home straight into Berlin. A landing in France or Denmark would be about 500 miles or less from Hitler's capital as soon as it landed, a serious threat to Germany. But a landing in Africa would be 1,000 miles or more away and would require multiple amphibious landings to get into Africa and then on to Europe.
King and other senior leaders like Chief of Staff of the Army Gen. George C. Marshall thought it would be a waste of time and resources.
And so planning went into effect for Operation Sledgehammer, the 1942 Allied invasion of France. But the British officers immediately started to campaign against the attack. They had already been pushed off the continent, and they knew they didn't have the forces, and that America didn't have the forces, to take and hold the ground.
Germany had over 24 divisions in France. For comparison, the actual D-Day landings and follow-on assault in 1944 were made with only nine divisions with additional smaller units. And that was after the military was able to procure thousands of landing craft and planes to deliver those troops. In 1942, many of those tools weren't ready.
And, the timeline forced planners to look for a Fall landing. The Atlantic and the English Channel in the Fall are susceptible to some of the worst storms a landing could face. High winds and surging seas could swamp landing craft and destabilize the naval artillery needed to support landings.
Worse for Britain: a failed landing across the channel in 1942 would result in bodies floating in that body of water by the thousands or tens of thousands. And if Germany successfully bottled the landing up and then slaughtered the Allied troops day by day, then those bodies could have been visible on the English coast for days and weeks.
Americans with the 45th Infantry Division prepare equipment in Sicily for movement to Salerno.
(U.S. National Archives)
So Britain renewed its lobbying for an invasion of Africa, instead. Churchill led the campaign, pointing out that German troops there could be bottled up and potentially even captured, the Suez Canal would be re-opened, and Americans could get combat experience in a theater where it would have a balance of forces in its favor rather than fighting where it could be overwhelmed before it could learn valuable lessons.
And so Operation Sledgehammer was shelved in favor of Operation Torch, the November 1942 invasion that landed on multiple beachheads across the northern coast of Africa. America would learn tough lessons there, but was ultimately successful.
Unfortunately, that hope of isolating and capturing the German force would be partially prevented by a German escape at Messina where many Nazi troops made it across to Sicily. But the Allies took the oil fields in Africa, took Sicily, and landed in Italy, building the experience needed to land in France in 1944.
Meanwhile, America sent as much industrial support to the Soviet Union as it could to keep it from falling, and it was successful, largely thanks to the heroic sacrifices of the Communist troops who turned back the Axis troops at Stalingrad, Kursk, and other battles.
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