Nevada National Security Site photograph

Nevada National Security Site

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Area3500
In use1951–present
Operators United States Department of Energy
Mission Support & Test Services, LLC (MSTS)
Did you knowNuclear weapons tests occurred in four regions within the Test Site: Frenchman Flat, Yucca Flat, Rainier Mesa, and Pahute Mesa.
Date of Reg.
Date of Upd.
ID879328
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About Nevada National Security Site


The Nevada National Security Site, previously the Nevada Test Site, is a United States Department of Energy reservation located in southeastern Nye County, Nevada, about 65 miles northwest of the city of Las Vegas.

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