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Valar Atomics Achieves Criticality at Ward 250 Reactor in US Nuclear Pilot Program
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Bloomberg
5h ago
Valar Atomics Ward 250 Reactor Achieves Criticality in US Nuclear Program
X
5h ago
What's better than one criticality? TWO! 🎉 On June 18, 2026, at around 4:30 MDT, @valaratomics' Ward 250 microreactor achieved initial criticality at the Utah San Rafael Energy Lab. It is the
ans.org
5h ago
Ward250 reactor rides cargo to Utah -- ANS / Nuclear Newswire
Facebook
5h ago
Gov. - BREAKING: Valar Atomics' Ward 250 reactor successfully achieved criticality in Emery County, Utah, becoming the first U.S. Department of Energy-authorized reactor built outside a national laboratory. This achievement is a