Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe.

President Trump, during an interview that aired Sunday night on CBS's "60 Minutes," said:

Energy Secretary Chris Wright said Sunday the newly ordered tests wouldn’t involve nuclear explosions — just “system tests” using “noncritical explosions,” he told Fox News. It was the administration’s first explanation since Trump posted on social media last week that he had “instructed the Department of War to start testing our Nuclear Weapons on an equal basis.

By MICHELLE L. PRICE and MANUEL BALCE CENETA Associated Press ABOARD AIR FORCE ONE (AP) — President Donald Trump declined to say Friday whether he plans to resume underground nuclear detonation tests,