P.O. Box 1531, Richland, Washington 99352, USA

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Who we are

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BRMA volunteer tour guides

What we've done

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Tour buses at B Reactor

What's next?

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Public tour in control room

B Reactor, the world's first industrial-scale nuclear reactor, was built during World War II as part of the top-secret Manhattan Project to develop the atomic bomb. One of three plutonium production reactors built in total secrecy at Hanford during World War II, B Reactor produced plutonium for the Trinity test at Alamagordo, New Mexico, on July 16, 1945, and for the atomic bomb exploded on Nagasaki on August 9, 1945.

new.gif (2364 bytes) Online virtual tour of B Reactor: www.rangerinyourpocket.org

new.gif (2364 bytes) 360-degree panoramic photos of B Reactor: nonplused.org/panos/b_reactor/index.html

B Reactor is included in the Manhattan Project National Historical Park, consisting of historic facilities at Hanford, Los Alamos and Oak Ridge, which was authorized by Congress in December 2014. A memorandum of agreement between the National Park Service and the Department of Energy to define their respective roles in managing the park was signed in Washington DC on November 10, 2015. A special celebration was held two days later at B Reactor. See a report and photos in The Moderator commemorative issue.

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Contact us: info@b-reactor.org

Updated January 2016
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