NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greets France's President Emmanuel Macron as he arrives for 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)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Luxembourg's Prime Minister Luc Frieden as he arrives for 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)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Luxembourg's Prime Minister Luc Frieden as he arrives for 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)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Slovenia's President Janez Jansa 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)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Slovenia's President Janez Jansa 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)

(From L) Britain's Prime Minister Keir Starmer, US President Donald Trump, NATO Secretary General Mark Rutte and NATO Leaders participate in a working session during the NATO Summit at Bestepe Presidential Compound in Ankara, Turkey, 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 Alexis JUMEAU / POOL / AFP via Getty Images)

(From L) US President Donald Trump, NATO Secretary General Mark Rutte and Turkey's President Recep Tayyip Erdogan 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)

(From L) Britain's Prime Minister Keir Starmer, US President Donald Trump, NATO Secretary General Mark Rutte and Turkey's President Recep Tayyip Erdogan 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)