Trump Orders Immediate Nuclear Tests, Cites Other Nations

President Donald Trump said Thursday he has told the Pentagon to start testing nuclear weapons right away, pointing to similar efforts by other countries.

In a post on Truth Social before meeting Chinese President Xi Jinping at the Asia-Pacific Economic Cooperation (APEC) summit, Trump wrote: "Because of other countries testing programs, I have instructed the Department of War to start testing our Nuclear Weapons on an equal basis."

The move ends a U.S. pause on live nuclear tests that has lasted more than 30 years. The last American test took place in 1992. Since then, the U.S. has used computer models and small-scale experiments to keep its arsenal ready.

• Trump Orders Resumption of U.S. Nuclear Testing After 30-Year Pause
• Pentagon to Begin Nuclear Weapons Tests Following Trump Directive
• Global Leaders React as Trump Cites China and Russia in Nuclear Test Decision

Trump’s decision comes as China, Russia, and North Korea have expanded their nuclear programs. None have carried out full explosive tests in recent years, but concerns about their progress have grown.

A Pentagon spokesperson said the military is studying the order but gave no details on when or how tests might happen. The announcement worried leaders at the summit. South Korean President Lee Jae Myung called for calm and more talks to avoid a new arms race. Chinese officials labeled the plan “dangerous” and said it could upset peace in the region.

Experts also raised alarms. "Resuming nuclear testing would unravel global non-proliferation efforts and increase the risk of catastrophic miscalculation," said Daryl Kimball of the Arms Control Association.

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Speaking to reporters in Gyeongju, Trump stood by his choice. "We have the best weapons, but we need to prove it. Others are doing it—why shouldn't we?" he said. The U.S. currently has about 3,700 nuclear warheads, according to the Federation of American Scientists. Any new tests would likely take place at the Nevada National Security Site.