From Our Blogs

Behind high-security gates at NNSA's Lawrence Livermore National Laboratory in California sits one of the most critical national security assets in America: the National Ignition Facility.

From weapons modernization and production to infrastructure, counterterrorism, and nonproliferation, the Nuclear Security Enterprise is delivering results.

Since 2016, its Facility Disposition Program has demolished more than 250 facilities and cleared approximately 3.7 million square feet of degraded infrastructure—roughly the equivalent of 64 football fields.

NNSA's Innovation Day 2026 at the University of California Santa Clara Silicon Valley Extension site brought together leaders from American businesses, venture capital investors, universities, and the Nuclear Security Enterprise.

The Phoenix Ascent Exercise 2026 (PAX-26) was a two-day exercise that tested DOE/NNSA's emergency management structures, validated operating procedures, and evaluated its ability to sustain mission-essential functions during national emergencies.

2026 has been a Hot NEST Summer! NNSA’s Nuclear Emergency Support Team spent the season monitoring threats from the air, in the crowds, and behind the scenes at major events all season. Quiet, professional, and keeping America safe all summer long.

Assistant Secretary for Environmental Management Tim Walsh recently visited a used nuclear fuel storage facility in northern Colorado managed by the U.S. Department of Energy’s Idaho Cleanup Project and contractor Idaho Environmental Coalition.

The Idaho Cleanup Project is playing a key role in the future shipment of a “high burnup” used nuclear fuel research cask from Dominion Energy’s North Anna Power Station in Virginia to the Idaho National Laboratory Site, enabling critical research activities in Idaho. August 25, 2026

NNSA's Office of Congressional and Intergovernmental Affairs prepped for key budget hearings, coordinated with state and local partners, and facilitated visits to national laboratories and radiological cleanup operations.

Leaders from NNSA’s Office of Research, Development, Test & Evaluation traveled to the University of Rochester in New York to celebrate the 50th anniversary of the Laboratory for Laser Energetics.