The 2019 UK Counter-Unmanned Aircraft Strategy is materially out of date and has been overtaken by operational reality in Ukraine and the Iranian theatre. While originally sound for domestic policing, the strategic landscape is now defined by massed one-way attack drones, combined drone and missile salvos, dense electronic warfare, and AI-assisted guidance.The central lesson of 2024-2026 is that drones have become a strategic mass system used for saturation and the deliberate erosion of a defender's cost-exchange ratio. To address this, the UK must retire its siloed 2019 framework and replace it with an integrated Counter Uncrewed Systems and Air Threat Resilience Strategy, supported by a consolidated legal code for detection, disruption, and defeat.