The guest is picked up in a minibus with tinted windows, phone switched off, somewhere in eastern Ukraine, not far from the front line. The vehicle drives for half an hour before stopping in a closed parking facility. Nearby is where a legendary figure in the Ukrainian army, who made a fortune in the grain trade before becoming commander of Ukraine’s drone war: Robert “Magyar” Brovdi directs operations from his command center, an ultra-sophisticated, highly secure bunker. The place, which looks