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Livermore Fires Underground Subcritical Nuclear Experiment at Nevada Site

Livermore Fires Underground Subcritical Nuclear Experiment at Nevada Site

On May 14, the Lawrence Livermore National Laboratory completed the first in the Nimble series of underground subcritical experiments at the Nevada National Security Site, according to a press release. The subcritical experiment was conducted at the Principal Underground Laboratory for Subcritical Experimentation, also known as the U1a Complex.  In June 2023, a senior Livermore official told the Monitor that Nimble was a three-shot series of experiments, the first of which was called Nob Hill and scheduled to fire in…

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Congress Updates

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