The Paducah Gaseous Diffusion Plant is a facility located in McCracken County, Kentucky, near Paducah, Kentucky that produced enriched uranium 1952–2013. The plant is now operated by United States Enrichment Corporation, a subsidiary of USEC Incorporated, a publicly traded corporation (NYSE: USU). It was the only operating uranium enrichment facility in the United States in the period 2001–2010. The Paducah plant produced low-enriched uranium, originally as feedstock for military reactors and weapons refining and later for nuclear power fuel.