Trump orders Pentagon to resume nuclear weapons testing — a dramatic shift in U.S. policy
Trump orders Pentagon to resume nuclear weapons testing — a dramatic shift in U.S. policy
President Donald Trump announced on 29 October 2025 that he has directed the Pentagon to immediately begin testing nuclear weapons, ending the United States’ 33-year moratorium on explosive nuclear tests — a move that marks one of the most consequential shifts in American nuclear policy in decades. :contentReference[oaicite:1]{index=1}
The announcement — posted on the President’s social media platform and repeated to reporters ahead of a scheduled summit with Chinese President Xi Jinping — said the decision was driven by concerns about advances in Russia’s and China’s nuclear programmes and modern delivery systems. Officials say the order directs the Department of Defense and relevant agencies to prepare for, and conduct, tests on an "equal basis" with rival states. :contentReference[oaicite:2]{index=2}
What the moratorium meant and what breaks now
The United States has observed a voluntary moratorium on nuclear explosive testing since 1992, relying instead on laboratory simulations, subcritical tests and the Stockpile Stewardship programme to maintain confidence in the safety and effectiveness of its arsenal. Breaking this moratorium would be the first full test in more than three decades and would reverse long-standing US policy toward de-facto test bans. :contentReference[oaicite:3]{index=3}
International reaction: allies, rivals and institutions
The reaction overseas was swift. Allies in Europe and Asia expressed alarm and urged consultation; arms-control advocates warned that renewed testing could undermine the global non-proliferation regime and the Comprehensive Nuclear-Test-Ban norms that many states uphold. Russia and China will likely view any US tests through the prism of competition, increasing the danger of escalation in an already tense strategic environment. :contentReference[oaicite:4]{index=4}
Why the White House says testing is necessary
The White House framed the move as a response to technological advances in rival arsenals and a necessity to maintain a credible deterrent. Administration spokespeople argued that full-scale tests may be needed to validate new designs or ensure the reliability of evolving warheads and delivery systems — points that have been debated inside US defence circles for years. Critics counter that modern science and subcritical experiments can provide confidence without the political and humanitarian costs of detonations. :contentReference[oaicite:5]{index=5}
Domestic politics and legal questions
Domestically, the announcement has intensified partisan debate. Some congressional Republicans welcomed the move as strong leadership on deterrence; many Democrats, as well as prominent scientists and former national security officials, condemned it as reckless and destabilising. Legal questions persist about how quickly a test could be carried out and what oversight Congress or the courts might exercise if litigation or legislative challenges arise. :contentReference[oaicite:6]{index=6}
What might happen next
Practically, renewing explosive testing would require technical preparation at national test facilities and coordination between the Department of Energy and the Department of Defence. Even if the President orders a test "immediately", experts note there are logistical, environmental and safety steps that take time — and that the political fallout could be immediate. Arms control advocates are urging allied diplomatic pressure and emergency consultations at forums such as the United Nations and CTBTO-related meetings. :contentReference[oaicite:7]{index=7}
Why it matters
Beyond the immediate policy shift, resuming explosive nuclear tests risks eroding decades of norm-building that discouraged other states from returning to detonations. The symbolic power of a US test — after a generation without one — could change the strategic calculations of both established nuclear powers and aspiring proliferators. For the public, particularly communities near past test sites, the announcement has raised renewed concerns about health, safety and environmental impacts. :contentReference[oaicite:8]{index=8}
As events develop, readers should expect rapid updates as official details emerge about which tests will be carried out, where they might take place, and how the US intends to notify or coordinate with international bodies and allies.



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