Press Releases

Report outlines efforts supporting pit production, scientific innovation, and seven stockpile modernization programs.

NNSA verified completion of the First Production Unit (FPU) of a plutonium pit for the W87-1 Modification Program. A plutonium pit is a necessary component in America’s nuclear warheads.

The U.S. Department of Energy transitioned landlord responsibilities at the Savannah River Site from the Office of Environmental Management to the National Nuclear Security Administration.

This week, NNSA and Romania’s National Commission for Nuclear Activities Control celebrated 15 years of partnership in advancing radiological security.

NNSA selected BWXT-NFS to conduct a study on uranium enrichment centrifuge technology in support of defense programs mission

The U.S. Department of Energy’s National Nuclear Security Administration (DOE/NNSA) will conduct low-altitude helicopter flights over downtown Chicago, Illinois, Tuesday, August 13 through Thursday, August 15, in support of the 2024 Democratic National Convention.

Last week, NNSA welcomed international diplomats to Sandia National Laboratories and the Nevada National Security Site. It was part of an NNSA effort to show transparency about its work and U.S. support for the Comprehensive Nuclear-Test-Ban Treaty.

NNSA is partnering with Los Alamos County to provide DOE’s two national laboratories in New Mexico with electricity produced from the County’s new Foxtail Flats solar and energy storage project, which is proposed to be operational by March 1, 2026.

NNSA's Office of Defense Nuclear Nonproliferation has awarded $50 million in cooperative agreements to two university consortia to support the basic science that underlies its nuclear security and nonproliferation missions.

SRS annual emergency exercise