Caption
Defense Secretary Pete Hegseth speaks during a news conference at the Pentagon on June 22, 2025. (Andrew Harnik via Getty Images)
Arms Control and Nonproliferation
Arms Control and Nonproliferation
Caption
The Navy's nuclear ballistic submarine USS Maine conducts surface navigational operations about 50 miles south of Puerto Rico. (U.S. Navy photo)
Caption
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)
Caption
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)
Caption
Military Parade on the Red Square in Moscow, Russia, May 9, 2016. (The Presidential Press and Information Office/www.kremlin.ru)
Caption
White House Deputy National Security Advisor Ben Rhodes addresses the media at the Edgartown School on August 22, 2014 in Edgartown, Martha's Vineyard, Massachusetts. (Darren McCollester/Getty Images)
Caption
President Barack Obama arrives to speak during a closing session at the Nuclear Security Summit April 1, 2016 in Washington, D.C. (Andrew Harrer/Pool/Getty Images)
Caption
A launcher carrying what analysts have said is a mock-up of the KN-08 ICBM moves through Pyongyang on April 15, 2012, as part of a military parade. (Pedro Ugarte/AFP/Getty Images)
Experts
Masashi Murano
Senior Fellow, Japan Chair
Jonathan Schachter
Senior Fellow, Center for Peace and Security in the Middle East
Abram N. Shulsky
Senior Fellow
Richard Weitz
Senior Fellow and Director, Center for Political-Military Analysis
