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Skip to main content. National Nuclear Security Administration. The U. Learn More. NNSA works to secure or dispose of dangerous nuclear material, and detect and control the proliferation of related WMD technology and expertise. Learn More about Nonproliferation. Powering the Navy.
The Naval Nuclear Propulsion Program provides militarily effective nuclear propulsion plants and ensures their safe, reliable and long-lived operation. Learn More about Powering the Navy. Counterterrorism and Counterproliferation. NNSA has a key role in U.
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