Nuclear Security & Deterrence Monitor Vol. 30 No. 14
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Nuclear Security & Deterrence Monitor
Article 7 of 12
April 09, 2026

UPF tunnel milestone reached at Y-12

By Sarah Salem

Crews at the Y-12 National Security Complex have completed final concrete placement for a tunnel that will connect major sections of the Uranium Processing Facility (UPF’s) enriched uranium mission.
The project—known as the Highly Enriched Uranium Materials…

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