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)
Germanys Chancellor Angela Merkel (L) and US President Donald Trump shake hands during a bilateral meeting, on the sidelines of the G20 Leaders' Summit in Buenos Aires, on December 01, 2018. (SAUL LOEB/AFP/Getty Images)
Flags of NATO member states are seen ahead of the NATO Foreign Ministers meeting at NATO Headquarters in Brussels, Belgium on December 04, 2018. (Dursun Aydemir/Anadolu Agency/Getty Images)
An armed gendarme stands guard at Strasbourg's Christmas market, on its reopening day, on December 14, 2018, one day after French police shot dead the gunman who killed three people there. (PATRICK HERTZOG/AFP/Getty Images)
US President Donald Trump meets with Austrian Chancellor Sebastian Kurz in the Oval Office at the White House in Washington, DC, on February 20, 2019. (NICHOLAS KAMM/AFP/Getty Images)
German Chancellor Angela Merkel deliberates with U.S. President Donald Trump on the sidelines of the official agenda on the second day of the G7 summit on June 9, 2018 in Charlevoix, Canada. (Jesco Denzel /Bundesregierung/Getty Images)
Russian President Vladimir Putin with Chinese President Xi Jinping during a welcoming ceremony prior to the dinner on September 4, 2017 in Xiamen, China. (Mikhail Svetlov/Getty Images)