World War II was one of the greatest catastrophes of all time, but it could have been even worse. Throughout the war, there were plans conceived by both sides to tip the balance of power in their favor.

Many of these ideas never saw the light of day, but if they had been executed, they would have had an enormous impact on the course of history.

In this article, we’ll be taking a look at seven of these diabolical World War II plans that would have changed the course of history.

During World War II, Nazi Germany had the plan to disrupt the Allied economy by counterfeiting millions of British pounds. This plot was code-named “Operation Bernhard” and involved a team of prisoners in the Sachsenhausen concentration camp.

The team was led by the master counterfeiter, Salomon Smolianoff, who was given the task of producing counterfeit notes that would be indistinguishable from real British currency.

The operation was so well-executed that even today it is still considered to be one of the most successful counterfeiting schemes ever undertaken.

The goal of Operation Bernhard was to destabilize the British economy by flooding the market with counterfeit bills.

To achieve this, Smolianoff and his team created over £134 million in forged notes, the equivalent of over $2 billion today. These notes were then smuggled into Britain and distributed among German agents and sympathizers.

However, despite their best efforts, Operation Bernhard ultimately failed. The British government had become aware of the scheme and took measures to counteract it.

In addition, many of the forged notes were intercepted by Allied forces and destroyed. Despite its failure, Operation Bernhard still stands as one of the most audacious and ambitious plots hatched during World War II.

Had it been successful, it would have had a devastating effect on the British economy and could have changed the course of the war.

6- Operation Tannenbaum — Swiss Resistance And Bravery

In 1940, the Nazis had the plan to expand their control even further by invading the neutral country of Switzerland.

The plan, known as Operation Tannenbaum, was ultimately never carried out, but it was one of the most diabolical schemes of World War II.

The plan involved the invasion of Switzerland by Nazi Germany and its allies, Italy and Hungary. It was designed to capture the Swiss capital of Bern, where the government and most of the army were located.

The plan also involved the seizure of Switzerland’s gold reserves, which would have been used to finance the Nazi war effort.

The invasion force was to be led by the German Army and supported by Italian troops and Hungarian airpower.

The Germans had estimated that they could capture the Swiss capital in just four days and that the entire operation would be over in only six weeks.

However, the Swiss had made plans of their own in case of a Nazi invasion, and they were well-prepared to defend their neutrality. Fortunately for Switzerland, Operation Tannenbaum was never carried out.

Hitler decided to focus his forces elsewhere and ultimately abandoned the plan. To this day, it remains one of the darkest military plans of World War II that never came to fruition.

5- Project Habakkuk — From Glacier To Carrier

During World War II, the British proposed an ambitious plan to build a massive aircraft carrier out of ice. Dubbed “Project Habakkuk”, this idea was intended to counter Nazi U-boats in the Atlantic Ocean.

It was theorized that a vessel made of ice could be strong enough to resist underwater explosions and could even float if the temperature was low enough.

The plan involved using a new form of concrete called “Pykrete”, which was created by combining sawdust and ice. While the project never came to fruition, it did spark the imaginations of many and continues to be one of the more remarkable ideas of World War II.

The concept behind Project Habakkuk was first proposed by Geoffrey Pyke, a British scientist who had already gained recognition for his ideas on new military technology.

He was inspired by a report of a German battleship that was encased in a protective layer of ice. Pyke believed that a ship made of Pykrete would be much stronger than conventional steel vessels, and thus would be able to withstand attacks from U-boats.

He presented his idea to British Naval officials, who were impressed but wary. They were concerned about how the ship would be cooled down in warmer climates, as well as how it would remain afloat.

To prove the viability of the project, Pyke constructed a model at his laboratory and demonstrated its strength to them.

While the officials were convinced of its potential, they eventually decided against implementing the project due to cost and practicality issues.

Today, Project Habakkuk is remembered as one of the most ambitious plans of World War II. Despite its lack of success, its boldness and creativity have kept it alive in popular culture.

From books to television shows, it remains an interesting and inspirational story of a time when great minds dared to dream.

4- The Bat Bomb — America’s Secret Plan For Victory In WWII

The Bat Bomb was one of the most peculiar military plans during World War II. Developed by American dentist Lytle S. Adams, this innovative strategy aimed to use thousands of bats carrying incendiary devices to burn Japanese cities.

The plan was considered by the United States military and even put into action, but never saw its full potential.

The concept was to release large numbers of Mexican free-tailed bats with small incendiary bombs attached to their backs to set fire to Japanese cities.

The bats would then scatter and seek refuge in houses, attics, and barns, where their incendiary bombs would then ignite. This novel approach was seen as an effective way to set fire to Japanese cities without the need for air raids.

Adams developed the idea of a bat bomb after seeing how bats could squeeze into tight spaces and stay hidden, enabling them to effectively avoid detection.

He also hoped that due to their small size, the incendiary bombs would be difficult to spot, allowing them to carry out their mission undetected.

While the plan was approved by the US military and even tested in New Mexico in 1943, it failed to reach its desired results.

The American military abandoned the project due to a combination of operational issues, cost, and ultimately its overall ineffectiveness.

Despite its failure, the Bat Bomb remains a captivating story and is an example of how innovative thinking can lead to new ideas and approaches in the military. It is an example of human creativity and resilience even in times of conflict and adversity.

3- Operation Downfall — The Massive Allied Plan To Invade Japan

The plans for the Allied invasion of Japan in 1945, known as Operation Downfall, was the largest and most ambitious military operation ever attempted during World War II.

It involved an invasion of mainland Japan and the capture of the capital city of Tokyo. The operation would have been conducted by a joint United States-British force, led by General Douglas MacArthur.

The main plan for the invasion was divided into two parts. The first part was codenamed “Olympic” and involved an amphibious assault on the southern island of Kyushu.

The second part was codenamed “Coronet” and involved an amphibious assault on the Tokyo plain. This would be followed by a land campaign to secure the rest of the Japanese islands. The invasion was planned to take place in November 1945 and was expected to last several months.

It would have been a huge undertaking and required vast amounts of supplies and personnel, including over a million American soldiers, two hundred thousand British forces, and a dozen or so aircraft carriers.

The plan was met with much skepticism from U.S. military leaders. It was estimated that there would be large numbers of casualties on both sides and the U.S. military had recently experienced significant losses during the Battle of Okinawa earlier that year.

The plan was eventually abandoned after the dropping of atomic bombs on Hiroshima and Nagasaki ended the war before it began.

2- Operation Ketsugo — The Last Stand Of Japan

The plan for Operation Downfall was the final Allied strategy to end World War II with the invasion of Japan in 1945. The plan consisted of two parts; Operation Olympic and Operation Coronet.

Operation Olympic was set to begin on November 1, 1945, with landings on the southern island of Kyushu, followed by Operation Coronet, a larger landing on the main island of Honshu, planned for March 1, 1946.

The invasion was set to involve some 7 million US and Allied troops, three times the number involved in the invasion of Normandy.

To prepare for the invasion, the Allies mounted numerous air raids over Japanese cities, using incendiary bombs to create firestorms that killed hundreds of thousands of civilians and destroyed much of the industrial base of Japan.

The horrific devastation wrought by these attacks no doubt contributed to Japan’s eventual surrender in August 1945 without the need for an invasion.

Had Operation Downfall gone forward as planned, it would have been one of the largest invasions in human history.

It’s impossible to predict what the consequences would have been, but given the brutality and desperation of both sides during World War II, it’s likely that it would have been a devastating conflict for both Japan and the Allies.

1- Plan Rubber — Boon Or A Bane For Brazil?
In 1945, the U.S. War Department developed a plan known as “Plan Rubber” that would involve an invasion of Brazil to secure rubber supplies.

The operation was initially approved by President Roosevelt but was later canceled in the face of public opposition and logistical difficulties.

Plan Rubber proposed sending up to 50,000 troops to secure and develop rubber plantations in the Amazon region of Brazil.

The U.S. planned to use the Brazilian military and civilian infrastructure to support its forces, as well as maintain control over the production of rubber for the duration of the war.

The plan called for the U.S. to build airfields, supply depots, and other military facilities in Brazil, as well as increase the size of the Brazilian military.

In addition, the American forces were to be supported by naval units and bombers from other Allied countries, including Britain, Canada, and France.

However, Plan Rubber never came to fruition due to several factors. Firstly, the Brazilian government rejected the idea of an American invasion, fearing it would be seen as an act of aggression.

Secondly, public opinion in both Brazil and the United States was strongly opposed to the idea of an American-led invasion.

Finally, the logistical difficulties involved in transporting and supplying troops in such a remote area were too great for the operation to be successful. As a result, Plan Rubber was canceled and never carried out.

Points To Ponder
When it comes to the Second World War, there were a plethora of plans that were proposed and planned out. Some of these plans never came to fruition and some did.

From Operation Bernhard, the Nazi plan to counterfeit millions of British banknotes, to Plan Rubber, an American invasion of Brazil, the ideas floated around during this period of history was often wild and creative.

In any case, these plans demonstrate the sheer number of possibilities that were on the table during World War II, as well as how much thought was put into them by those involved in the conflict.

Ultimately, the plans discussed in this post show how chaotic and unpredictable warfare can be, and how we should always be prepared for the unexpected.