National Nuclear Security Administration

National Nuclear Security Administration NNSA delivers the U.S. nuclear stockpile, strengthens nonproliferation, powers a global naval fleet & advances transformative tech.

To make fossil fuel exploration safer and more efficient, NNSA’s Office of Defense Nuclear Nonproliferation is collabora...
09/03/2026

To make fossil fuel exploration safer and more efficient, NNSA’s Office of Defense Nuclear Nonproliferation is collaborating with U.S. small businesses to develop advanced technologies that replace traditional radiological tools. DNN-funded research has helped private partners create new tools that use safe electronic sensors and machine learning to find oil and gas without radioactive hazards.

DNN is helping American energy companies cut regulatory red tape, reduce liabilities, and drill safe.

Read the full story in the latest DNN Sentinel:https://www.energy.gov/sites/default/files/2026-07/DNN%20Sentinel%2012_1.pdf =7

09/01/2026

NNSA Administrator Brandon Williams was aboard the historic N.S. Savannah, the world’s first nuclear-powered merchant ship, following the launch of the International Atomic Energy Agency (IAEA)'s Atomic Technologies Licensed for Applications at Sea (ATLAS) initiative with Director General Rafael Mariano Grossi.

The N.S. Savannah shows what’s possible when we partner on nuclear innovation. Through ATLAS, we are building on that legacy to ensure civil nuclear energy at sea is safe, secure, and commercially viable.

Principal Deputy Administrator Scott Pappano addressed NNSA Graduate Fellowship Program (NGFP) fellows completing the As...
09/01/2026

Principal Deputy Administrator Scott Pappano addressed NNSA Graduate Fellowship Program (NGFP) fellows completing the Aspiring Leader Certificate Program (ALCP) in Washington DC.

Fellows visited the U.S. Department of State and toured the Remote Sensing Laboratory (RSL) at Andrews Air Force Base. NGFP continues to serve as the leading pathway for bringing exceptional talent into the nation’s critical security missions.

NGFP offers future leaders unique opportunities to have hands on experience advancing nuclear national security for our country.

https://www.pnnl.gov/projects/ngfp

08/31/2026

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

By working with American companies that are investing in advanced experimental infrastructure, the NNSA can explore new opportunities to expand capabilities that support the nuclear deterrent while advancing American energy dominance and leadership over adversaries and competitors.

https://www.energy.gov/nnsa/articles/nnsa-signs-memorandum-understanding-pacific-fusion-company-breaks-ground-high-yield

Last week, NNSA Administrator Brandon Williams visited Sandia National Labs where America's scientific innovation is on ...
08/31/2026

Last week, NNSA Administrator Brandon Williams visited Sandia National Labs where America's scientific innovation is on full display! 🔬⚡

From standing alongside the Z-machine, the world’s most powerful and efficient radiation source, to touring the MESA microchips facility and the Annular Core Research Reactor (ACRR/CREST), the work being done here is vital to our national security mission.

Thank you to the entire Sandia Labs team!

NNSA has officially signed a Memorandum of Understanding (MOU) with Pacific Fusion as they break ground on a $1 billion ...
08/28/2026

NNSA has officially signed a Memorandum of Understanding (MOU) with Pacific Fusion as they break ground on a $1 billion research and manufacturing Campus in Albuquerque, New Mexico.

Through this new public-private partnership, NNSA and Pacific Fusion will collaborate on high-yield fusion research, high-energy-density science, and pulsed-power technologies.

Read more about the MOU here: https://www.energy.gov/nnsa/articles/nnsa-signs-memorandum-understanding-pacific-fusion-company-breaks-ground-high-yield

NNSA Administrator Brandon Williams visited Kairos Power’s Manufacturing Development Campus in Albuquerque this week and...
08/26/2026

NNSA Administrator Brandon Williams visited Kairos Power’s Manufacturing Development Campus in Albuquerque this week and saw firsthand the incredible work underway to support future reactor deployments.

Thanks to the engineers and staff for showcasing how American innovation is helping lead the nuclear renaissance and advance the future of nuclear energy.

A milestone moment for the sea-based leg of the nation’s nuclear triad: NNSA along with its labs, plants, and sites part...
08/21/2026

A milestone moment for the sea-based leg of the nation’s nuclear triad: NNSA along with its labs, plants, and sites partnered with the U.S. Navy to complete the first production unit of the W76 Mark 4B reentry body, nearly 3 months ahead of schedule.

Shout out to Sandia National Labs for leading the system integration and design for the non-nuclear components. NNSA is accelerating production and delivering on our commitment to strengthen the reliability of America’s nuclear deterrent.

https://www.sandia.gov/labnews/2026/08/13/sustaining-deterrence/

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