Press Releases

NNSA removed the last highly radioactive source in the country, eliminating radiological risks and strengthening American and global security.

NNSA has approved the Enhanced Fusion Yield Capability project, a move made faster by Secretary Wright's streamlining regulations. This initiative will boost the laser energy at the National Ignition Facility, enabling more pertinent assessments and modernization efforts for the nation's nuclear weapons stockpile.

The Draft PEIS meets NNSA’s obligations under the National Environmental Policy Act and the January 2025 settlement agreement reached between the parties in Savannah River Site Watch v. United States Department of Energy.

NNSA has successfully removed all high-risk cesium-137 material from the state. This means South Carolina is now the 13th state to be completely free of this dangerous radioactive material, a massive win for the safety of Americans, and prevents adversaries from acquiring this material.

NNSA today issued its Final Site-Wide Environmental Impact Statement and Record of Decision to implement an Expanded Operations Alternative to manage Los Alamos National Laboratory in the coming years.

Enriched Uranium purification capability restored; supports nuclear deterrent modernization

NNSA achieved a significant milestone by completing a record number of 13 tritium extractions within nine months, spanning fiscal year (FY) 2025 and 2026. Tritium, an isotope of hydrogen, is a key element in nuclear weapons.

Fostering the next generation of nuclear security and nonproliferation leaders, NNSA has renewed a $25 million grant for another 5 years to an R&D consortium led by the University of California, Berkeley that directly supports our vital missions.

NNSA and DOE's Offices of Environmental Management and Science collaborated to achieve a significant milestone in transforming Cold War-era legacy materials into critical national assets.

NNSA has completed the Last Production Unit of the W88 Alteration 370, a multiyear program to modernize the W88 nuclear warhead carried onboard Ohio-class ballistic missile submarines.