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The name of the project was called The Manhattan Project. The first designs were called "Fat Man" and "Little Boy" Little boy was dropped on Hiroshima and used nuclear fission from u235. Fat Man was dropped on Nagasaki and used a plutonium core for is destructive power.

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What was the name of the secret American program which built the atomic bomb?

Manhattan project


What were the code name for the program to develope atomic weapons in the US?

The Manhattan Project.


What year did American planned to destroy Japan?

1945, with Atomic Weapons.


What was the Secret project to design an atomic bomb called?

The secret project to design an atomic bomb during World War II was called the Manhattan Project. It was led by the United States with the goal of developing the first atomic weapons.


The Manhattan Project was the code name for the?

The Manhattan Project was the secret project to design and build the world's first atomic bomb.


Does Britain have nuclear weapons?

Yes. Both strategic & tactical nuclear weapons. Great Britain has been a nuclear power since the end of the Second World War. The US & Britain cooperated in the secret nuclear program during WW2 that created the first atomic bombs.


What was the American program that built the atomic bomb?

The "Manhatton Project."


How was the atomic bomb built and when?

This is a very long process, and we give rather short answers. You need to research the Manhattan Project. That was the code name for the US Atomic Weapons program. There were 2 different types of atomic weapons built, and they were completed in 1945.


What rival nation learns of the us top secret program to develop an atomic bomb?

Russia .


What is the oak ridge nuclear plant?

It is the facility built to produce nuclear material for the US Atomic weapons program.


Who was the American president who made the decision to use atomic weapons in 1945?

Harry S. Truman


ATOMAL is information that has been classified by what?

ATOMAL is information that has been classified by the U.S. Department of Defense as "Atomic Top Secret," indicating that it pertains to atomic energy or nuclear weapons.