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Our Nation's History.

Established in 1951, Rocky Flats was a secret, high-security facility outside Denver, Colorado, that produced plutonium cores for nuclear weapons.


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"National Security is our Responsibility."

Rocky Flats employees were committed to maintaining the secrecy of their work.


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Protesting Rocky Flats.

Thousands have protested against nuclear weapons, radio-active components so close to a metropolitan area, and environmental contamination.


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From Weapons to Wildlife.

The Rocky Flats National Wildlife Refuge was officially created in July 2007 when the U.S. Fish and Wildlife Service took over management of the site.




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We are committed to telling the story of the Rocky Flats Nuclear Weapons Plant.

The mission of the Rocky Flats Cold War Museum is to document the historical, social, environmental, and scientific aspects of Rocky Flats, and to educate the public about Rocky Flats, the Cold War and their legacies.  ​
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Rocky Flats History

Rocky Flats produced cores for nuclear weapons for the nation’s defense, using plutonium, highly enriched uranium, beryllium and additional materials. 
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Current Exhibits

​The museum participated with with the Arvada Historical Society to create an exhibit commemorating the rich history of Rocky Flats  ​
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Share Your Story

 In partnership with the Boulder Public Library’s oral history project, the RFCWM has recorded about 90 interviews with people who have first-hand memories of Rocky Flats. ​

Nuclear Explosions Caught on Film


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RFCWM on Facebook


I appeal to the owners of plants — to the managers, to the workers, to our own Government employees — to put every ounce of effort into producing these munitions swiftly and without stint...We must be the great arsenal of democracy.
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President Franklin Delano Roosevelt (1940)