About NNSA

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NNSA mission collage

About NNSA

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.

Leadership
The people running NNSA

 

Locations
NNSA facilities across the United States

 

Offices

How NNSA is structured

Budget

The president's fiscal priorities for NNSA

 

Contact us

How you can reach out to NNSA

 

Social media

NNSA's presence on Facebook, Twitter, YouTube, LinkedIn, and Flickr