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New Underground Subcritical Nuke Tests Underway; Second Shot Set for Spring ’21

New Underground Subcritical Nuke Tests Underway; Second Shot Set for Spring ’21
Close up illustration of atomic particle for nuclear energy imagery

The Los Alamos National Laboratory and the Nevada National Security Site are resetting the underground U1a facility at the former Nevada Test Site for the second in three planned Nightshade subcritical experiments. Nightshade B is scheduled to fire in “spring 2021,” a spokesperson for the Los Alamos National Laboratory said Tuesday. The shot will follow the successful Nightshade A experiment fired on Nov. 3. That experiment, the first subcritical test in more than a year, went off “without issue,” the…

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