In this pool photograph distributed by the Russian state agency Sputnik, Vladimir Putin enters a hall to meet with graduates of higher military educational institutions at the Kremlin on June 23, 2025. (Alexander Kazakov via Getty Images)
A formation of Dongfeng-41 nuclear missiles takes part in a military parade celebrating the seventieth anniversary of the founding of the People’s Republic of China in Beijing on October 1, 2019. (Xia Yifang via Getty Images)
Senior lecturer in the Department of Security Studies and Criminology at Macquarie University, Council of the Australian Strategic Policy Institute
President Donald Trump and Ukrainian President Volodymyr Zelenskyy pose for a picture with European leaders following a meeting at the White House on August 18, 2025. (Win McNamee via Getty Images)
A US Marine Corps VXE30 Stalker unmanned aerial system is staged during a maritime domain awareness training exercise in southern Finland on July 31, 2025. (DVIDS)
US Secretary of State Hillary Clinton (L) meets with Russian Prime Minister Vladimir Putin (R) outside Moscow in Novo-Ogarevo on March 19, 2010. (ALEXEY NIKOLSKY/AFP/Getty Images)
College banners hang in the classroom of teacher Chrys Latham, as she leads a senior advisory period, at Washington Latin Public Charter School, in Northwest Washington, D.C., October 23, 2015. (Allison Shelley/For The Washington Post via Getty Images)
US Secretary of State John Kerry (R) with Iran's Foreign Minister Mohammad Javad Zarif April 19, 2016 at the United Nations in New York. (DON EMMERT/AFP/Getty Images)
Candidates for U.S. Citizenship are sworn in during the Naturalization Ceremony at Festival PEOPLE En Espanol 2015 presented by Verizon at Jacob Javitz Center on October 18, 2015 in New York City. (Brad Barket/Getty Images for PEOPLE En Espanol)
General view of an apartment block in Pechatniki suburb, southeast of Moscow, after an explosion destroyed four stories out of 18 of the building, September 9, 1999. (STR/AFP/Getty Images)
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)