Ukraine is engaged in the bleak future of war, with both sides using remotely-operated drones to strike individual soldiers, army positions and other targets with deadly speed and precision.
With the frontline largely static and soldiers dug in, drones have become the new means of attack, with both Russian and Ukrainian forces seeking to gain an advantage using the new technology.
Russia has the advantage in numbers: six drones for every Ukrainian one, although Ukraine’s drone teams say they have the technological edge and are quicker at finding ways to counter-attack and jam Russian drones.
Jane Hill presents a BBC News at Ten special frontline report by Quentin Sommerville in Lyptsi in north-east Ukraine.
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