National Nuclear Security Administration

National Nuclear Security Administration
Agency overview
Formed	2000
Headquarters	James V. Forrestal Building, Washington, D.C.
Employees	2,500 federal (2022), 50,000 contract (2020)
Annual budget	$20.7 billion (FY22)
Agency executives	Jill Hruby, Under Secretary of Energy for Nuclear Security, NNSA Administrator; Frank A. Rose, Principal Deputy Under Secretary of Energy for Nuclear Security, Principal Deputy NNSA Administrator;
Parent agency	Department of Energy
Key document	50 U.S.C. ch. 41;
Website	www.energy.gov/nnsa/national-nuclear-security-administration

The National Nuclear Security Administration (NNSA) is a United States federal agency responsible for safeguarding 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; works to reduce the global danger from weapons of mass destruction; provides the United States Navy with safe and effective nuclear propulsion; and responds to nuclear and radiological emergencies in the United States and abroad.

Established by the United States Congress in 2000, NNSA is a semiautonomous agency within the United States Department of Energy. The current Administrator is Jill Hruby.

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