In the long arc of modern warfare, where the front line increasingly extends to the economic heartland, Ukraine this week struck deep into Russian territory — targeting not just military assets but the logistical and energy infrastructure that sustains a nation at war. Drone strikes reached from a major e-commerce warehouse in Saratov to oil refineries in the Volga region and, most remarkably, Arctic gas facilities thousands of kilometers from the conflict's origin. The attacks suggest that Ukraine has quietly crossed a threshold in operational capability, transforming a war of attrition into