No single sensor stops the drone threat. Radar misses what RF catches, RF misses what optics confirm. The case for a layered, interoperable Counter-UAS architecture, drawn from Counter-UAS Homeland Security Europe.

Field notes from Counter-UAS Homeland Security Europe. No agency solves the drone problem alone, and the conversations that mattered were about turning cross-sector collaboration into capability rather than another working group.

Airport closures and airspace incursions across Vilnius, Brussels and beyond exposed how unprepared NATO members remain for cross-border drone activity, and how quickly disruption follows uncertainty.