
Neither of them knew that the incident at the would dominate their professional lives for 18 months… and counting.

Residents may see low-altitude aircraft near downtown Washington, D.C., and the National Mall over the weekend of Oct. 31-Nov. 1
Residents may see low-altitude aircraft near downtown and the National Mall

Planes will be used by Aerial Measuring System teams to measure air and ground contamination following a nuclear or radiological accident or incident.

How does NNSA use gamma rays to fulfill its missions?

At NNSA’s National Laboratories and sites, research supporting our vital nuclear security missions spans the entire electromagnetic spectrum.
NNSA today published the “2017 Year in Review.” The report highlights major accomplishments from the past year across vital national security missions
To mark the 20th anniversary of NNSA’s Joint Technical Operations Team (JTOT) program, current and past leadership gathered this month...