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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
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Chinese Kilo-class submarine
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President Barack Obama signs the instrument of ratification of the New START Treaty in the Oval Office, Feb. 2, 2011.
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A handout photo provided by Dong-A Ilbo of North Korean leader Kim Jong Un and U.S. President Donald Trump inside the demilitarized zone (DMZ) separating the South and North Korea on June 30, 2019. (Dong-A Ilbo/Getty Images)
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President Donald J. Trump is greeted by Kim Jong Un, Chairman of the State Affairs Commission of the Democratic People’s Republic of Korea Wednesday, Feb. 27, 2019. (Official White House Photo by Shealah Craighead)
Experts
Jonathan Schachter
Senior Fellow, Center for Peace and Security in the Middle East
William Schneider
Senior Fellow
Abram N. Shulsky
Senior Fellow
Richard Weitz
Senior Fellow and Director, Center for Political-Military Analysis
