Fedorov's office sports a huge video screen with dozens of live feeds from Ukrainian drones flying over the front lines. Together, the feeds provide a vivid glimpse into Ukraine's drone war, in which commanders claim flying robots now account for an estimated 70% of all Russian deaths and injuries.

Russia has repeatedly shattered its own records for aerial assaults on Ukraine this summer, culminating in a peak attack on July 9 with the launch of 728 Shahed-type drones. Throughout the war, Russia steadily expanded the reach and intensity of its strikes on Ukrainian cities,

Ukraine war has become the most drone-intensive conflict yet – and Ukrainian commanders believe they are the only thing keeping Russian forces at bay, writes Max Hunder and Sabine Siebold