epa12490821 Servicemen of the special unit of the 72nd Separate Brigade named after the Black Zaporozhians assemble and train to fly drones before combat use on the front line, in a undisclosed location, in the Kharkiv region, Ukraine, 29 October 2025, amid the ongoing Russian invasion. EPA/SERGEY KOZLOV

epa12490822 Servicemen of the special unit of the 72nd Separate Brigade named after the Black Zaporozhians assemble and train to fly drones before combat use on the front line, in a undisclosed location, in the Kharkiv region, Ukraine, 29 October 2025, amid the ongoing Russian invasion. EPA/SERGEY KOZLOV

epa12490816 Servicemen of the special unit of the 72nd Separate Brigade named after the Black Zaporozhians assemble and train to fly drones before combat use on the front line, in a undisclosed location, in the Kharkiv region, Ukraine, 29 October 2025, amid the ongoing Russian invasion. EPA/SERGEY KOZLOV