Arms Control and Nonproliferation

US officials including John Kerry and Robert Malley negotiate terms of a nuclear nonproliferation agreement with the leaders of Iran's nuclear program in Lausanne, Switzerland, on March 19, 2015. (State Department)

Iranian President Ebrahim Raisi speaks during a press conference in Tehran on August 29, 2022. (STR/AFP via Getty Images)

The RT-2PM2 Topol-M space intercontinental ballistic missiles, cold-launched, three-stage, solid-propellant, road-mobile intercontinental ballistic missiles with thermonuclear warheads. Rehearsal for Victory Day Military Parade in Moscow, Russia on April 26, 2012. (Vyacheslav Argenberg via Wikimedia Commons)

Russian MIG-31k fighter jets carrying Kinzhal-class hypersonic missile systems fly at a Victory Day parade in Moscow on June 24, 2022. (Photo by Sefa Karacan/Anadolu Agency via Getty Images)

An MH-53E Sea Dragon prepares to land on the flight deck of San Antonio-class amphibious transport dock ship USS Portland on July 12, 2022, off the coast of Southern California. (US Navy photo by Mass Communication Specialist 2nd Class Devin Kates)

The allegedly successful test-fire of the North Korean intercontinental ballistic missile Hwasong-14 at an undisclosed location on July 4, 2017. (STR/AFP via Getty Images)

Ukrainian First Lady Olena Zelenska speaks to members of the US Congress in the US Capitol Visitors Center Auditorium on July 20, 2022, in Washington, DC, about Russia's invasion of Ukraine. (Photo by Saul Loeb-Pool/Getty Images)