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This photo released by Idaho National Laboratory shows its Advanced Test Reactor at Sunrise at Idaho National Laboratory's desert site about 50 miles west of Idaho Falls, Idaho, on Jan. 31, 2007. Scientists in Idaho have completed a rare overhaul of one of the world's most powerful nuclear test reactors. Officials at the Idaho National Laboratory said Monday, April 18, 2022, that normal operations are expected to resume later this spring at the Advanced Test Reactor following low-power system checks to make sure the reactor is in working order. (Idaho National Laboratory via AP, File)

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Rare overhaul of powerful US nuclear test reactor completed
April 19, 2022 11:35 a.m.

Rare overhaul of powerful US nuclear test reactor completed

Experiments at the reactor help the U.S. Navy’s nuclear-powered war fleet stay at sea longer