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Los Alamos team of Siegfried Hecker, John Phillips, and Jim Toevs visit Semipalatinsk Test Site as guests of Kairat Kadyrzhanov of Kazakhstan National Nuclear Center.

April, 1998

Los Alamos team of Siegfried Hecker, John Phillips, and Jim Toevs visit Semipalatinsk Test Site as guests of Kairat Kadyrzhanov of Kazakhstan National Nuclear Center.

They lay the groundwork for the Semipalatinsk nuclear materials security cooperation.