The package increases near-term intercept capacity aimed at protecting Ukraine’s power and heating infrastructure, reducing the operational impact of Russian strike campaigns during peak winter demand. The $200 million routed through a NATO procurement scheme accelerates access to US systems by using an established buying channel rather than bilateral contracting. The scale and mix of funding plus UK-supplied missiles signals allies are shifting from ad hoc deliveries to larger, programmatic air-defence resourcing tied to NATO coordination.