(From L) Britain's Prime Minister Keir Starmer, US Secretary of State Marco Rubio, US President Donald Trump and NATO Secretary General Mark Rutte attend the NATO Summit at Bestepe Presidential Compound in Ankara, Turkey, July 8, 2026. The summit comes at a fraught time for the 77-year-old transatlantic alliance, with the US President demanding members make good on a pledge to ramp up defence spending as Washington takes a step back from Europe. (Photo by SAUL LOEB / AFP via Getty Images)