Rocky Flats produced plutonium pits for decades. Now Los Alamos is the only place.

Rocky Flats produced plutonium pits for decades, but production ceased in 1989. Currently, Los Alamos, New Mexico is the only place where production can take place, but due to safety violations, no plutonium pits are being made. http://www.santafenewmexican.com/news/local_news/repeated-safety-lapses-hobble-lanl-s-work-on-u-s/article_f45dd72a-d6f6-580c-97af-8ffcb9fe8364.html