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NNSA Official Reaffirms Support For HEU In Naval Reactors

NNSA Official Reaffirms Support For HEU In Naval Reactors
Low angled view of the U.S. Capitol East Facade Front in Washington, DC.

The head of the National Nuclear Security Administration’s (NNSA) naval reactors program suggested Wednesday that the use of highly enriched uranium (HEU) for naval propulsion offers a significant advantage over the conversion of naval reactors to low-enriched uranium – indicating that the U.S. Navy’s longstanding preference for HEU is unlikely to change.Admiral James Caldwell Jr., NNSA’s deputy administrator for naval reactors, said at a Senate Appropriations Energy and Water Subcommittee hearing that “success would not be guaranteed” in an LEU-based…

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