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Old 04-29-2016, 10:08 AM
watchwolf49 watchwolf49 is offline
Join Date: Dec 2009
Location: State of Jefferson
Posts: 8,076
Originally Posted by bump View Post
That's essentially what I was getting at; the Manhattan Project didn't just yield Trinity, Fat Man and Little Boy; it yielded the entire uranium enrichment and plutonium generation and separation infrastructures and capability, as well as the industrial capacity to actually fabricate uranium and plutonium items, as well as a WHOLE LOT of basic scientific research into what is now basic atomic physics about the nature of atomic fission and radioactivity. So I'd argue that those costs are only partially applicable to Fat Man and Little Boy.

But even if you do count all that strictly as Manhattan Project costs, it wasn't spread across only the 2 combat bombs and one test bomb (Trinity). The US military used the Fat Man design for another 5 years, until 1950, and built a grand total of 124 weapons of that type (Trinity, Fat Man, the 2 used in Operation Crossroads (Able and Baker) and 120 stockpiled ones). So in total, that cost would be split by 125 (124 Fat Man bombs and 1 Little Boy bomb).
Don't forget we still have to clean up the mess we made, $112 billion estimated just for Hanford {Cite}