About the Nuclear Security Enterprise

The strategic environment has changed with the expanding capability of world actors. The future environment is less predictable and demands our national deterrence strategy accounts for the nature of this uncertainty.

NNSA's core missions include maintaining the nuclear stockpile, monitoring and promoting nonproliferation, powering the nuclear Navy, and responding to nuclear and radiological emergencies.

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NNSA is responsible for enhancing national security through the military application of nuclear science.
NNSA

The President directed the Secretary of Defense to initiate a new Nuclear Posture Review to ensure the nation's nuclear deterrent is modern, robust, flexible, resilient, ready and appropriately tailored to deter 21st century threats and reassures allies.

NNSA's plans to ensure the safety, security, and effectiveness of the U.S. nuclear weapons stockpile.

NNSA's plans and programs to prevent the proliferation of nuclear weapons, counter the threat of nuclear terrorism, and respond to nuclear and radiological incidents around the world.

Faces of the Nuclear Security Enterprise

A deeper look at the Nuclear Security Enterprise

On Deterrence

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On Deterrence
NNSA

LOS ALAMOS NATIONAL LAB

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Los Alamos National Laboratory
NNSA

Lawrence Livermore National Lab

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Lawrence Livermore National Lab missions
NNSA

Sandia National Labs

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Sandia National Labs
Sandia National Labs

Partners