The U.S. has not conducted a physical nuclear test since 1992 after President George H.W. Bush entered into a unilateral moratorium on nuclear weapons testing.

US president references China and Russia in Truth Social post shortly before meeting with President Xi Jinping

"Because of other countries testing programs, I have instructed the Department of War to start testing our Nuclear Weapons on an equal basis. That process will begin immediately,"…

The U.S. has followed a ‘voluntary moratorium’ on nuclear weapons testing since 1992