Protecting America's Future — The Y-12 National Security Complex stands ready to address the existing and emerging national security challenges facing our nation and our world today.
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Mission

Y‑12 plays an important role in U.S. national security and is a one-of-a-kind facility in the National Nuclear Security Administration (NNSA) Nuclear Weapons Complex. Y‑12’s role includes

  • providing critical elements of NNSA’s missions that ensure the safety, reliability, and performance of the U.S. nuclear weapons deterrent;
  • supplying the special nuclear material for use in naval reactors;
  • promoting international nuclear safety and nonproliferation;
  • reducing global dangers from weapons of mass destruction; and
  • supporting U.S. leadership in science and technology.

Y‑12 also uses its unique capabilities to support the Research Reactor Programs for U.S. and international customers, other federal agencies such as the Department of Defense and Department of Homeland Security, state and local governments, and private-sector companies.

For in-depth information, explore our Missions section.