In the wake of the July shooting attacks on two military sites in Chattanooga, the Y-12 nuclear weapons plant in Oak Ridge made some discernible security changes.
Most noticeable were new entry restrictions at New Hope Center, which serves as Y-12's processing center for visitors and also houses some offices, research labs, history museum, and an auditorium.
Instead of having direct access to New Hope, visitors had to state their business on an intercom before getting through a door to the lobby.
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