Fat Man and Little Boy Text Box and Graphic

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Fat Man and Little Boy Text Box and Graphic

Uranium Ore Mining and Milling Uranium Enrichment Fuel and Target Fabrication FAT MAN AND LITTLE BOY: The first two production weapons In 1943, the nuclear production complex consisted of three sites. Plutonium Production Reactors • One nuclear reactor at the Hanford site irradiated uranium targets to generate plutonium. The targets were then dissolved at Hanford’s T Plant and the resultant plutonium metal was sent to Los Alamos National Laboratory (LANL). Reprocessing to Separate Plutonium • In parallel, more than 1,100 Calutrons at Oak Plutonium Ridge were running continuously for a full year Metal (employing 22,000 people around the clock), taking naturally occurring uranium ore and enriching and extracting the critical U-235 metal. Fat Man The resultant uranium metal was also sent to LANL. • LANL was the original design and construction site Little Boy for the trinity weapon and subsequent Fat Man and Little Boy weapons. LANL took the plutonium metal Nuclear Explosives from Hanford and the uranium metal from Oak Uranium Fabrication Uranium Ridge and machined them into the nuclear Metal explosives that went into Fat Man (plutonium) and Little Boy (uranium). Uranium Enrichment Weapon The nuclear weapons production complex eventually (Calutron) grew from three sites and several facilities to more than 107 sites in 31 states at the height of the Cold War. The environmental legacy left by the Cold War is one of the most massive cleanup projects in the world. Uranium Ore Mining and Milling EM’s cleanup program represents the federal govern- ment’s fifth largest liability. .

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