According to the Los Alamos Sarov Sister Cities Initiative website, Los Alamos and Sarov, Russia, became Sister Cities in the early 1990s “to promote world peace and understanding through local activities.”

The Sister Cities have many parallels. Russia’s first nuclear bomb was developed in Sarov, and the All-Union Scientific Research Institute of Experimental Physics (VNIIEF) is located there. Scientists from LANL and VNIIEF have cooperated on various arms control and nuclear safeguards programs.

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