November 20, 2014 marks the 20th anniversary of the completion of Project Sapphire – a top-secret operation to transport 600 kilograms of highly enriched uranium (HEU) from Kazakhstan to Oak Ridge ...
It was 3 a.m. on a freezing November night in 1994. Trucks carrying almost 600 kilograms of highly enriched uranium had just left a nuclear facility in an industrial town in eastern Kazakhstan. They ...
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