“We're not talking here about large-scale detonations with mushroom clouds in the desert or in the South Pacific. We're talking about very small, controlled, probably underground detonations,” Cotton told Fox News.
Earlier, Trump said that he had ordered the resumption of nuclear testing because "others are doing testing."
"First, it allows us to test older weapons to make sure they're still in the state we believe they are. Second, allows us to test new weapons and new designs for weapons as we try to meet the threat from Russia and China," Cotton claimed.