The NATO Ankara Summit of 7–8 July 2026 was not decided by percentages of GDP but by an unwritten negotiation: Washington reaffirms its security guarantee for Europe, while the allies accept that transatlantic solidarity does not stop at the Alliance’s geographical borders when the United States faces a major strategic crisis beyond them. This analysis reconstructs the architecture of that pact from Mark Rutte’s statements, the Ankara Declaration and the context of America’s war with Iran, examining Türkiye’s gains, Romania’s position — cited in Washington as an example of an ally that granted the United States logistical access — and the stakes of the Defence, Security and Resilience Bank.