National Nuclear Security Administration

The National Nuclear Security Administration (NNSA) is the U.S. agency 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. Established by the United States Congress in 2000, NNSA is a semi-autonomous agency within the United States Department of Energy.

National Nuclear Security Administration

The National Nuclear Security Administration (NNSA) is the U.S. agency 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. Established by the United States Congress in 2000, NNSA is a semi-autonomous agency within the United States Department of Energy.