National Nuclear Security Administration

Web Articles

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NNSA and NYPD team up to train officers on radiological security via their mobile devices

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University students explore nuclear nonproliferation with LANL experts in a virtual environment

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Reuse, recast, reduce: Y-12’s Zero Power Physics Reactor Depleted Uranium Recovery Project yields results

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NNSA co-hosts international forum to raise awareness of viable alternatives to high-activity radioactive sources

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Missions

NNSA's Core Missions

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Voices of Nuclear Security

Yolanda Walker says working at NNSA has taught her that people from every background have a role in the agency. (And the celebrity-spotting isn't bad, either!)

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Careers

NNSA consists of over 40,000 federal and contract employees at labs, plants, and sites nationwide.

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Year in Review

NNSA 2020 Year in Review

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NNSA News

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Jill Hruby sworn in as Department of Energy’s Under Secretary for Nuclear Security and Administrator of the National Nuclear Security Administration

Statement by Energy Secretary Granholm on the Confirmation of Jill Hruby as NNSA Administrator

NNSA receives top Project Management Awards from the Department of Energy

NNSA completes First Production Unit of W88 Alteration 370

Nuclear Security Enterprise locations

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