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)
Secretary of Defense Lloyd J. Austin III and Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff, meet with Republic of Korea’s Minister of Defense Suh Wook for the 53rd US-Republic of Korea Security Consultative Meeting in Seoul, South Korea, on December 2, 2021. (DOD Photo by Navy Chief Petty Officer Carlos M. Vazquez II)
Rescue personnel evacuate mock victims from a subway train during a homeland defense emergency drill involving a chemical, biological, radiological, or nuclear attack in an urban environment in New York City on August 4, 2021. (Photo by Kena Betancur/AFP via Getty Images)
Chinese J-20 stealth fighters of the People's Liberation Army Air Force perform at Airshow China 2022 in Zhuhai, China, on November 8, 2022. (CNS/AFP via Getty Images)
A US Navy Douglas F4D-1 Skyray assigned to Carrier Air Group 21 (CVG-21) aboard the aircraft carrier USS Lexington in flight off Taiwan, circa 1958. (Wikimedia Commons)