NATO Secretary General Mark Rutte (L) greets Sweden's Prime Minister Ulf Kristersson and Turkey's President Recep Tayyip Erdogan as they arrive the NATO summit in Ankara, on 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 Ludovic MARIN / POOL / AFP via Getty Images)