NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet North Macedonia's President Gordana Siljanovska-Davkova as she arrives for a 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 Ludovic MARIN / POOL / AFP via Getty Images)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Spain's Prime Minister Pedro Sanchez as he arrives for a 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 Ludovic MARIN / POOL / AFP via Getty Images)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Belgium's Prime Minister Bart De Wever as he arrives for a 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 Ludovic MARIN / 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 as he arrives for a 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 Ludovic MARIN / POOL / AFP via Getty Images)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Croatia's President Zoran Milanovic as he arrives for a 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 Ludovic MARIN / POOL / AFP via Getty Images)

This handout photograph released on Volodymyr Zelensky's X account on July 8, 2026, shows Ukraine's President Volodymyr Zelensky (L) shaking hands with Italy's Prime Minister Giorgia Meloni during a meeting on the sidelines of the 36th NATO Heads of State and Government Summit in Ankara. 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 Handout / X account of Volodymyr Zelensky / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / X Account of Volodymyr Zelensky / HANDOUT / " - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Spain's Prime Minister Pedro Sanchez as he arrives for a 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 Ludovic MARIN / POOL / AFP via Getty Images)

NATO Secretary General Mark Rutte (L) and Turkey's President Recep Tayyip Erdogan (R) greet Latvia's President Edgars Rinkevics as he arrives for a 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 Ludovic MARIN / POOL / AFP via Getty Images)