Luxembourg's Prime Minister Luc Frieden addresses the media upon arrival for 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 Alexis JUMEAU / POOL / AFP via Getty Images)

Norway's Prime Minister Jonas Gahr Store addresses the media upon arrival for 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 Alexis JUMEAU / POOL / AFP via Getty Images)

Norway's Prime Minister Jonas Gahr Store addresses the media upon arrival for 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 Alexis JUMEAU / POOL / AFP via Getty Images)

Lithuania's President Gitanas Nauseda addresses the media upon arrival for 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 Alexis JUMEAU / POOL / AFP via Getty Images)

Lithuania's President Gitanas Nauseda addresses the media upon arrival for 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 Alexis JUMEAU / POOL / AFP via Getty Images)

Greece's Prime Minister Kyriakos Mitsotakis addresses the media upon arrival for 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 Alexis JUMEAU / POOL / AFP via Getty Images)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Britain's Prime Minister Keir Starmer during 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)

Greece's Prime Minister Kyriakos Mitsotakis addresses the media upon arrival for 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 Alexis JUMEAU / POOL / AFP via Getty Images)