Nuclear Weapons

The Cold War is over, but the United States and Russia still keep thousands of nuclear weapons on alert and in reserve. Understand the issues with our technical and political analysis.


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China and Trump’s Nuclear Posture Review

, China project manager and senior analyst

Chinese Vice Premier and Foreign Minister Qian Qichen signs the Comprehensive Nuclear Test Ban Treaty (CTBT) on September 24, 1996.

The Trump administration’s Nuclear Posture Review (NPR) repeats one of the most pervasive misconceptions about the current state of the US nuclear arsenal: that it does not compare well with the nuclear arsenals of Russia and China, which are supposedly engaged in nuclear modernization efforts the United States is neglecting.

China is making steady incremental improvements to its nuclear arsenal. But the gap between China and the United States is too wide to argue the United States is lagging behind in any meaningful way. We’ve laid out the details in a new white paper.

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The Trump’s Administration’s Dangerous New Nuclear Policy

, Washington representative and senior analyst

Last night the Huffington Post released a draft version of the Trump administration’s Nuclear Posture Review, a deeply dangerous document that makes nuclear war more likely. UCS has a press statement on the draft, and below is a compilation of some additional quick thoughts on the draft, with more to come. Read more >

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Japan’s Role in the North Korea Nuclear Crisis

, China project manager and senior analyst

Japanese Prime Minister Yukio Hatoyama (second from left) consults with US President Barack Obama during a 2010 summit on nuclear security.

During a recent trip to Japan I had the opportunity to discuss Japan’s role in the current North Korean nuclear crisis with Yukio Hatoyama, a former prime minister. He led the Democratic Party of Japan (DPJ) to victory in September 2009, becoming the only Japanese politician to defeat the ruling Liberal Democratic Party (LDP) at the polls since end of the Second World War.  Read more >

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An Ounce of Prevention…is Worth a Kiloton of Cure

, co-director and senior scientist

As part of its ongoing online training system, the Centers for Disease Control and Prevention (CDC) has scheduled a webinar later this month titled “Public Health Response to a Nuclear Detonation.” Read more >

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Pressuring China on North Korea Could Be a Mistake

, China project manager and senior analyst

The Trump administration is intentionally putting China in very tough spot. It is attempting to make the Chinese leadership believe it must choose between a preemptive US attack on North Korea or agreeing to US requests to strangle North Korea’s economy with even tougher sanctions, including cutting off North Korea’s oil supply at the beginning of winter. That may seem like clever diplomacy to some. But it’s a high stakes game of poker that the United States could lose.
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