Between 3 and 14 August 2026, Baltic Trust 26 brought approximately 650 participants from Latvia, other Allies and partner nations, together with industry representatives from several European Union member states, to the Sēlija training area in Latvia to test whether sensors, command-and-control systems and countermeasures could operate as a single layered counter-uncrewed aircraft system. In the five weeks before it opened, Allies had declared investment of over USD 40 billion in counter-drone capabilities across the next five years, and the NATO Support and Procurement Agency had placed five suppliers under framework contract for deployable counter-UAS systems built on a common command-and-control backbone. Against that declaration stand the Alliance’s own common-funded ceilings for 2026 — a Military Budget of EUR 2.42 billion and a NATO Security Investment Programme ceiling of EUR 2.2 billion — and the estimated EUR 3.1 million of the first task order contemplated under the NATO Communications and Information Agency’s counter-UAS framework. The exercise can generate evidence that is difficult to obtain in laboratories or isolated product trials. It cannot, by itself, convert that evidence into a common NATO architecture, a funded requirement or an executable order. That transition depends on whether the tested configuration is documented and reproducible, whether public authorities control the relevant data and interfaces, whether responsibilities for configuration, safety and cyber assurance are assigned, and whether an authorised customer places a contract against a defined baseline. The question the exercise leaves open is therefore not whether disparate systems can work together under operational pressure, which Crucible 3-26 has now demonstrated, but whether NATO and the Allies possess the institutional and contractual machinery to buy the resulting capability without rebuilding the integration for every customer.