Y 12 National Security Complex

The Y‑12 National Security Complex plays a vital role in the U.S. Department of Energy’s Nuclear Security Enterprise. Y-12 provides manufacturing, technical, and scientific expertise to produce components, subassemblies, and quality evaluations to sustain a U.S. nuclear deterrent; reduce the threat from weapons of mass destruction; supply nuclear material to the Naval Reactors Program; and provide solutions to other emerging national security challenges.