National Nuclear Security Administration

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NNSA News

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NNSA nonproliferation chief discusses safeguards and security in advanced nuclear technologies Learn More
NNSA security staff and programs win DOE security awardsLearn More
United States and Ukraine reaffirm commitment to fight nuclear smugglingLearn More
NNSA Hidden Talents: Cheran ShieldsLearn More
New nuclear explosion monitoring capability achieves significant milestoneLearn More
Pantexans save the lives of three strangersLearn More
NNSA sites receive 13 R&D 100 AwardsLearn More
Sandia Field Office Federal Security Specialist receives ‘Professional of the Year’ awardLearn More
DOE and NNSA celebrate Exascale DayLearn More
NNSA encourages everyone to stay safe onlineLearn More

Missions

Voices of Nuclear Security

Year in Review

Careers

Press releases

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Lisa E. Gordon-Hagerty resigns as NNSA Administrator
Topping out ceremony marks major milestone for the Uranium Processing Facility project
Residents may see low-altitude aircraft near downtown and the National Mall over the weekend of Oct. 31-Nov. 1
NNSA Administrator hosts Department of Defense officials in Texas
NNSA establishes partnership to accelerate key artificial intelligence computing initiatives
NNSA to conduct aerial radiation measurements over Washington, D.C.
U.S. and Canada sign memorandum of understanding on safeguards and nonproliferation
NNSA Administrator visits Naval Nuclear Laboratory sites
NNSA Administrator visits Kansas City National Security Campus
NNSA Administrator releases statement on 2020 Nobel Prize winner in physics

Nuclear Security Enterprise locations

A map showing the locations of the labs, plants, and sites in NNSA's Nuclear Security Enterprise.

Nuclear Posture Review

A promotional image for the Nuclear Policy Review.