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)
An F-22 Raptor assigned to the 94th Fighter Squadron, Joint Base Langley-Eustis, Virginia, takes off for a Red Flag 23-1 mission at Nellis Air Force Base in Nevada on January 24, 2023. (US Air Force Photo by William R. Lewis)
A Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) poster displaying North Korean nuclear tests on February 12, 2013, at the CTBTO headquarters in Vienna, Austria. (Dieter Nagl/AFP via Getty Images)
A United Launch Alliance Atlas V rocket launches from Cape Canaveral Space Force Station in Florida on August 4, 2022. (US Space Force photo by Dakota Raub)
Sailors assigned to Assault Craft Unit 4 prepare material recovered in the Atlantic Ocean from a high-altitude balloon for transport to federal agents at Joint Expeditionary Base Little Creek on February 10, 2023. (US Navy photo by Ryan Seelbach)