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)
A Ukrainian anti-aircraft squadron guards the skies along the front lines in Donetsk Oblast, Ukraine, on October 19, 2024. (Fermin Torrano/Anadolu via Getty Images)
German President Frank-Walter Steinmeier welcomes US President Joe Biden at Schloss Bellevue on October 18, 2024, in Berlin, Germany. (Sean Gallup via Getty Images)
A serviceman of a mobile fire group of the State Border Guard Service of Ukraine is on a mission in Odesa region, Ukraine, on October 10, 2024. (Ukrinform/NurPhoto via Getty Images)
Ukrainian soldiers on an M2 Bradley infantry fighting vehicle on February 23, 2024, in Donetsk Oblast, Ukraine. (Vitalii Nosach/Global Images Ukraine via Getty Images)
Ukrainian servicemen fire a 2S7 Pion self-propelled cannon toward Russian positions in the Donetsk region on September 27, 2024. (Genya Savilov/AFP via Getty Images)
Ukrainian President Volodymyr Zelensky speaks during the UN General Assembly in New York on September 23, 2024. (Timothy A. Clary/AFP via Getty Images)