Learn more about Modernizing America’s Nuclear Stockpile

NNSA unveiled plans for two new supercomputers, Mission and Vision, at LANL. Both systems will be built by Hewlett Packard Enterprise (HPE) and powered by the NVIDIA Vera Rubin platform.

NNSA authorized startup of the Calciner Project at the Y-12 National Security and supports ongoing efforts to transform and recapitalize Y-12 in support of the nation’s nuclear deterrent mission.

NNSA announced today that it had completed “diamond stamping” of all canned subassemblies (CSA) for the B61-13 nuclear gravity bomb planned for the current Fiscal Year three months ahead of schedule at the Y-12 National Security Complex.

NNSA completed the West End Protected Area Reduction (WEPAR) Project, a major project that modernizes security at the Y-12 National Security Complex while reducing the site’s high-security area.

NNSA announced Aires Tide, an NNSA-led proof-of-concept flight test vehicle developed using artificial intelligence, high-performance computing, and additive manufacturing to move from system design to flight testing on a sharply compressed timeline and at lower cost.

NNSA removed the last cesium-137 blood irradiator from Lebanon, marking an important milestone in NNSA’s mission to enhance U.S. security by eliminating high-risk radioactive material across the world.

NNSA today issued its Final Site-Wide Environmental Impact Statement and Record of Decision to implement an Expanded Operations Alternative to manage Sandia National Laboratories, Albuquerque, New Mexico, in the coming years.

NNSA made available on its website, the final Supplemental Environmental Impact Statement and Amended Record of Decision, for Enhanced Plutonium Facility Utilization at Lawrence Livermore National Laboratory.

NNSA completed the first unit of the Mark (Mk) 4B reentry body for the W76 nuclear warhead supporting sea-based strategic deterrence.