A study done for Secretary of War Henry Stimson’s staff by William Shockley estimated that invading Japan would cost 1.7–4 million American casualties, including 400,000–800,000 fatalities, and five to ten million Japanese fatalities.
What would have happened if the US had invaded Japan?
The U.S. government estimated that invading the Japanese Home Islands would cost 5 to 10 million Japanese lives. In addition, Japan was faced with a major famine during the winter of 1945/1946 and beyond. The November 1 invasion would have a “force to be landed” of about 766,000.
How much did Fat Man cost?
Four weapons — the Trinity plutonium implosion device tested in the New Mexico desert; the Little Boy uranium bomb dropped on Hiroshima; the Fat Man plutonium bomb that hit Nagasaki, and an unused uranium bomb — were produced within six years in current dollars of some $24.1 billion, according to Stephen I.
How much money did the atomic bomb cost?
Cost data are for 1942-1945. The total cost to the United States for World War II was approximately $3.3 trillion.)…The Costs of the Manhattan Project.
| Site/Project | Then-year Dollars | Constant 1996 Dollars |
|---|---|---|
| OAK RIDGE (Total) | $1,188,352,000 | $13,565,662,000 |
| —K-25 Gaseous Diffusion Plant | $512,166,000 | $5,846,644,000 |
How many died from fat man?
The bomb destroyed 5 square miles of the city and caused about 140,000 deaths by the end of 1945. This implosion-type plutonium bomb, nicknamed Fat Man, weighed 10,800 pounds. The bomb was dropped on Nagasaki, Japan, August 9, 1945, at 11:01 AM.
Why didnt Japan surrender after Midway?
Japan didn’t surrender after the atomic bombing of Hiroshima because both the Supreme Council for the Direction of the War (I’ll call it the Supreme War Council from here on out) and the Cabinet deadlocked on what to do next.
How long was Hiroshima uninhabitable?
75 years
At the city center near where the bomb exploded, only the skeletons of three concrete buildings were still standing. It was being said, he reported, that Hiroshima might remain uninhabitable for 75 years.
Why would Japan not surrender?
Kamikaze. It was a war without mercy, and the US Office of War Information acknowledged as much in 1945. It noted that the unwillingness of Allied troops to take prisoners in the Pacific theatre had made it difficult for Japanese soldiers to surrender.
