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For the first time in 20 years, the United States can once again produce a specialized material used in U.S. nuclear weapons, marking a major step toward the modernization of the nuclear stockpile.
NNSA will conduct low-altitude helicopter flights over Miami and surrounding areas, Tuesday, Nov. 3, through Thursday, Nov. 5.
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.
The National Nuclear Security Administration today successfully conducted a subsurface, non-nuclear chemical high-explosive experiment at the Nevada National Security Site, increasing the United States' ability to detect low-yield nuclear explosions.
New agreement expands information sharing, reduces duplication, and accelerates C-UAS capabilities
In another major Trump Administration national security win, Vermont joins the growing list of states cleared of radioactive cesium. NNSA continues to lead national efforts to remove radiological devices to eliminate their risk and keep Americans safe.
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
Working together, NNSA and DTRA removed a radioactive cobalt-60 source from a facility in Guatemala. This mission strengthens Americans’ security and keeps high-risk materials out of the wrong hands.