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NNSA completed all components for the W80-4 nuclear warhead planned for FY 2026, many of them months ahead of schedule, advancing efforts to achieve the FPU of the W80-4 ahead of its end of FY 2027 target.

NNSA announced today that the Y-12 National Security Complex has completed production of the B61-13 Canned Subassemblies (CSAs) required to support the last production unit needs for the B61-13 program.

Advancing from Mission Need to a Defined Project in 18 Months

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.