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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.

NNSA announced the completion of Phase One of the Kansas City Non-Nuclear Expansion Transformation (KC NeXT). NNSA assumed property ownership ahead of schedule and on budget. Phase One includes a 700-seat classified office building.

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.