National Nuclear Security Administration

Maintaining the Stockpile

Nonproliferation

Powering the Navy

NNSA News

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U.S., Japan strengthen nuclear security ties through working groupLearn More

NNSA partners with Peru to keep 2019 Pan American Games safeLearn More

NNSA holds nuclear security training workshop with ASEAN membersLearn More

New Radiological Assistance Program Center of Excellence is readyLearn More

NNSA and the Netherlands help Kazakhstan improve radioactive source managementLearn More

NNSA cost estimating professionals seek continuous improvement Learn More

NNSA employee salute: Thank you for your serviceLearn More

Nuclear Security Enterprise Days are coming to colleges around the countryLearn More

NNSA joins interagency partners to celebrate 10 years of FEMA CBRNLearn More

11 NNSA employees receive highest honor for early career scientists and engineers Learn More

Missions

NNSA's Core Missions

Voices of Nuclear Security

Voices of Nuclear Security: Anna Rapp

2018 Year in Review

2018 Year In Review

Careers

Explore a world of opportunities at NNSA

Press releases

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Department of Energy Awards Cooperative Agreement for the Production of Molybdenum-99 to Fourth U.S. Company

NNSA hosts Nuclear Weapons Council at Savannah River Site, Los Alamos National Laboratory

NNSA Administrator tours Laboratory for Laser Energetics up close

DOE’s NNSA signs $600 million contract to build its first exascale supercomputer

One metric ton of plutonium removed safely and securely from South Carolina

Statement from Secretary Perry on NNSS Visit

NNSA’s stockpile stewardship and nuclear nonproliferation annual reports delivered to Congress

Eleven NNSA employees receive Presidential Early Career Award for Scientists and Engineers

NNSA awards cooperative agreements for the production of molybdenum-99 to three U.S. companies

NNSA recruitment initiative picking up steam with events nationwide

Nuclear Security Enterprise locations

Nuclear Posture Review