Replacing HEU in Naval Reactors

George Moore
March 28, 2016

Replacing HEU in Naval Reactors

Task Force One, the first nuclear-powered task force. Source: WikiMedia Commons

The Nuclear Threat Initiative (NTI) and the James Martin Center for Nonproliferation Studies (CNS) released a new report, Replacing Highly Enriched Uranium in Naval Reactors. The report has been made available in advance of the fourth and final Nuclear Security Summit in Washington and explores the prospects for minimizing highly enriched uranium (HEU) in the naval sector worldwide, with a special focus on the United States Navy.


Highly enriched uranium (HEU) is the simplest nuclear material to use for an improvised nuclear device, making it a target for terrorist groups seeking to inflict mass destruction. This paper examines the current status of HEU in naval propulsion programs worldwide, with a specific focus on the U.S. Navy’s program. It includes a technical assessment of less risky low-enriched uranium (LEU) alternatives and recommendations to enable conversion to such alternate technologies.

→ Read the full report: Replacing Highly Enriched Uranium in Naval Reactors

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