Ukrainian President Volodymyr Zelensky (L) shakes hands with Polish Prime Minister Donald Tusk after they signed an agreement in Warsaw, Poland on July 8, 2024, ahead of NATO's 75th anniversary leader's summit. The NATO military alliance in April marked 75 years since the signing of its founding treaty in Washington -- where its members gather for an anniversary summit from 9-11 July 2024. (Photo by Sergei GAPON / AFP) (Photo by SERGEI GAPON/AFP via Getty Images)