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NNSA innovation fuels space exploration
World-changing technologies showcased at NNSA lab
Manufacturing group recognizes advancements at KCNSC
NNSA to Conduct Aerial Radiation Monitoring Survey Over Philadelphia
NNSA labs fight fire through computer simulation
  • Space exploration
  • Disruptech
  • Manufacturing award
  • Aerial monitoring
  • Wildfires
Maintaining the Stockpile
Emergency Response
Powering the Navy
Oversight and Change


About Us

Established by Congress in 2000, NNSA is a semi-autonomous agency within the U.S. Department of Energy responsible for enhancing national security through the military application of nuclear science. NNSA maintains and enhances the safety, security, and effectiveness of the U.S. nuclear weapons stockpile without nuclear explosive testing; works to reduce the global danger from weapons of mass destruction; provides the U.S. Navy with safe and effective nuclear propulsion; and responds to nuclear and radiological emergencies in the U.S. and abroad.