The project succeeded in developing and detonating three nuclear weapons in 1945: a test detonation of a plutonium implosion bomb on July 16 (the Trinity test) near Alamogordo, New Mexico; an enriched uranium bomb code-named “Little Boy” on August 6 over Hiroshima, Japan; and a second plutonium bomb, code-named “Fat Man” on August 9 over Nagasaki, Japan.

The project’s roots lay in scientists’ fears since the 1930s that Nazi Germany was also investigating nuclear weapons of its own. Born out of a small research program in 1939, the Manhattan Project eventually employed more than 130,000 people and cost nearly $2 billion USD ($23 billion in 2007 dollars based on CPI). It resulted in the creation of multiple production and research sites that operated in secret.[1]

The three primary research and production sites of the project were the plutonium-production facility at what is now the Hanford Site, the uranium-enrichment facilities at Oak Ridge, Tennessee, and the weapons research and design laboratory, now known as Los Alamos National Laboratory. Project research took place at over thirty different sites across the United States, Canada, and the United Kingdom. The MED maintained control over U.S. weapons production until the formation of the Atomic Energy Commission in January 1947.

TOXIC SECRETS

Fluoride & the A-Bomb Program

During the ultra-secret Manhattan Project, a report was commissioned to assess the effect of fluoride on humans.

That report was classified “secret” for reasons of “national security”.

http://www.nexusmagazine.com/articles/fluoridebomb.html

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Fluoride was the key chemical in atomic bomb production, according to the documents. Massive quantities-millions of tons-were essential for the manufacture of bomb-grade uranium and plutonium for nuclear weapons throughout the Cold War. One of the most toxic chemicals known, fluoride emerged as the leading chemical health hazard of the US atomic bomb program, both for workers and for nearby communities, the documents reveal.

Declassified documents of the US atomic bomb program indicate otherwise. A Manhattan Project memorandum of 29 April 1944 states: “Clinical evidence suggests that uranium hexafluoride may have a rather marked central nervous system effect… It seems most likely that the F [code for fluoride] component rather than the T [code for uranium] is the causative factor.” The memo, from a captain in the medical corps, is stamped SECRET and is addressed to Colonel Stafford Warren, head of the Manhattan Project’s Medical Section.