Obama Administration Announces Unilateral Nuclear Weapon Cuts

By Hans M. Kristensen The Obama administration has unilaterally cut the number of nuclear weapons in the Pentagon’s nuclear weapons stockpile to 4,018 warheads, a reduction of 553 warheads since September 2015. The reduction was disclosed by Vice President Joe Biden during a speech at the Carnegie Endowment for International Peace earlier today. This means that […]

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Pakistan’s Evolving Nuclear Weapons Infrastructure

By Hans M. Kristensen In our latest Nuclear Notebook on Pakistani nuclear forces, Robert Norris and I estimate that Pakistan has produced an estimated stockpile of 130-140 nuclear warheads for delivery by short- and medium-range ballistic missiles, cruise missiles, and fighter-bombers. Pakistan now identifies with what is described as a full-spectrum nuclear deterrent posture, which […]

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Will Trump Be Another Republican Nuclear Weapons Disarmer?

By Hans M. Kristensen Republicans love nuclear weapons reductions, as long as they’re not proposed by a Democratic president. That is the lesson from decades of US nuclear weapons and arms control management. If that trend continues, then we can expect the new Donald Trump administration to reduce the US nuclear weapons arsenal more than […]

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New START Data Shows Russian Warhead Increase Before Expected Decrease

By Hans M. Kristensen The latest set of so-called New START treaty aggregate data published by the U.S. State Department shows that Russia is continuing to increase the number of nuclear warheads it deploys on its declining inventory of strategic launchers. Russia now has 259 warheads more deployed than when the treaty entered into force in […]

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Increasing Nuclear Bomber Operations

By Hans M. Kristensen CBS’s 60 Minutes program Risk of Nuclear Attack Rises described that Russia may be lowering the threshold for when it would use nuclear weapons, and showed how U.S. nuclear bombers have started flying missions they haven’t flown since the Cold War: Over the North Pole and deep into Northern Europe to send a warning to […]

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Navy Builds Underground Nuclear Weapons Storage Facility; Seattle Busses Carry Warning

By Hans M. Kristensen The US Navy has quietly built a new $294 million underground nuclear weapons storage complex at the Strategic Weapons Facility Pacific (SWFPAC), a high-security base in Washington that stores and maintains the Trident II ballistic missiles and their nuclear warheads for the strategic submarine fleet operating in the Pacific Ocean. The […]

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