Operation Downfall was the proposed Allied plan for the invasion of the Japanese home islands near the end of World War II. The planned operation was canceled when Japan surrendered following the atomic bombings of Hiroshima and Nagasaki, the Soviet declaration of war, and the invasion of Manchuria. [1]

However dismantling the Japanese defence, built on taking one cave at a time, resulted in almost 8,000 American deaths. More than 170,000 US servicemen took part in the island’s capture, it was the most costly operation in the Pacific war.

Nov 6, 2013 · Operation Downfall, the codename for the U.S.-led mission to capture the Japanese homeland in 1945 and 1946 never did take place.

Aug 9, 2023 · Operation Downfall was a planned military operation by the United States and its allies toward the end of the Second World War. The aim was to invade and occupy Japan’s home islands in what would have been one of history’s largest amphibious assaults.

Operation Downfall was the overall Allied plan for the invasion of Japan near the end of World War II. The operation was canceled when Japan surrendered following the atomic bombings of Hiroshima and Nagasaki, and the Soviet Union 's declaration of war against Japan.

May 19, 2015 · Operation Downfall was the name given to the planned invasion of Japan. Operation Downfall itself was divided into two parts – Operation Olympic and Operation Coronet.

Operation Downfall was the proposed Allied plan for the invasion of the Japanese home islands near the end of World War II. The operation had two parts, Operation Olympic , intended to capture the southern third of the southernmost main Japanese island, Kyūshū , and Operation Coronet , the planned invasion of the Kantō Plain , near Tokyo ...

Japan on 1 November 1945 (Operation Downfall), as well as the Japanese plan to wage biological warfare against the U.S. in World War II using submarine-launched kamikaze aircraft with...

Feb 24, 2023 · Operation Downfall was the Allied plan to invade mainland Japan at the end of World War II, consisting of two parts: Operation Olympic and Operation Coronet. The operation was canceled following Japan's surrender after atomic bombings and Soviet invasion.

Operation Downfall was the codename for the planned but never executed American invasion plan for the Japanese mainland islands during the end stages of World War II in the Pacific Theatre. It was set to occur in October of 1945 and if it had taken place it would have been the largest amphibious attack in human history.