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Ukraine’s President Volodymyr Zelenskyy signs the golden book as he meets Norway’s king on October 20, 2026, at the Royal Palace in Oslo. (Getty Images)
Arms Control and Nonproliferation
Arms Control and Nonproliferation
Commentary
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The Baker test during Operation Crossroads, a series of two nuclear weapons tests conducted by the United States at Bikini Atoll, July 25, 1946. (Galerie Bilderwelt/Getty Images)
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US President Barack Obama, chairs a special meeting of the UN security council during the 69th Session of the UN General Assembly on September 24, 2014 in New York. (ALAIN JOCARD/AFP/Getty Images)
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Titan nuclear intercontinental ballistic missile in silo in Arizona (Photo by Michael Dunning/Getty Images)
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President Barack Obama in the Oval Office September 27, 2013 in Washington D.C. (Pete Souza/White House via Getty Images)
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The Navy's nuclear ballistic submarine USS Maine conducts surface navigational operations about 50 miles south of Puerto Rico. (U.S. Navy photo)
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US President Barack Obama (R) and Japanese Prime Minister Shinzo Abe shake hands after laying wreaths at the Hiroshima Peace Memorial Park in Hiroshima on May 27, 2016. (JIM WATSON/AFP/Getty Images)
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U.S. Secretary of State John Kerry delivers a speech on the nuclear agreement with Iran at the National Constitution Center September 2, 2015 in Philadelphia, Pennsylvania. U.S. (Mark Makela/Getty Images)
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Military Parade on the Red Square in Moscow, Russia, May 9, 2016. (The Presidential Press and Information Office/www.kremlin.ru)
Experts
Jack David
Senior Fellow and Trustee
Rebeccah L. Heinrichs
Senior Fellow and Director, Keystone Defense Initiative
