Rolls-Royce Marine Power Operations Ltd, a subsidiary of
Rolls-Royce plc, operates three nuclear licensed sites, two of which are at Raynesway in
Derby, UK.The Manufacturing Site was licensed in August 1960 and deals with processing of
uranium fuel and the fabrication of
nuclear reactor cores for
Royal Naval submarines.The Neptune/Radioactive Components Facility Site was licensed in November 1961 and houses the Neptune test reactor which is used to conduct experiments on reactor cores.
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