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.
Teams in NNSA’s labs, plants, and sites detect gamma rays through numerous different methods and in all kinds of places, from the sky to the heavens.
At NNSA’s labs, plants, and sites, research supporting our vital missions reaches across the electromagnetic spectrum – from radio waves to gamma rays. Sometimes that innovation spills into other areas, too, enabling tomorrow’s technological wonders.
The U.S. Department of Energy's National Nuclear Security Administration (DOE/NNSA) will conduct low-altitude helicopter flights over the Las Vegas valley and its surrounding areas for the remainder of 2025 and into 2026.
Cobalt Magnet 25 is an emergency response exercise designed to bring more than 70 U.S. and Canadian agencies together to ensure preparedness
The U.S. Department of Energy's National Nuclear Security Administration (DOE/NNSA) will conduct low-altitude helicopter flights over New Orleans and its surrounding areas, Sunday, February 2, through Thursday, February 6, ahead of the Super Bowl on February 9.
This month, NNSA is observing the 50th anniversary of the Nuclear Emergency Support Team – or NEST. During a recent ceremony at Joint Base Andrews in Maryland, leaders from around the government gathered to celebrate the birthday of one its most diverse and capable assets.
Senior leaders from around the U.S. government attended the 68th International Atomic Energy Agency (IAEA) General Conference (GC) September 16-20 in Vienna, Austria, to advance nuclear energy, safety, security, safeguards, emergency preparedness and response, peaceful uses, nonproliferation, and other nuclear-related issues.
NNSA has released Prevent, Counter, and Respond—NNSA’s Plan to Reduce Global Nuclear Threats (NPCR) FY 2025-2029. This report highlights pressing nuclear and radiological challenges at home and abroad.
The NNSA Aerial Measuring System’s new AW139 helicopters will increase the Nuclear Emergency Support Team's ability to conduct a wide range of national security and public safety missions.