Press Releases

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.

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. 

NNSA and Pacific Fusion signed a MOU establishing a framework for public-private collaboration as the company broke ground on its Research and Manufacturing Campus in Albuquerque, NM.

NNSA delivered its fifth next-generation Global Burst Detector sensor payload to the U.S. Space Force this month. They monitor for above-ground nuclear detonations around the world.

NNSA has successfully removed all high-risk cesium-137 material from North Dakota, a major achievement for national security. This milestone marks the 14th state or territory to be declared free of high-risk quantities of this dangerous material.