A Ukrainian fibre-optic drone — copied from Russians. (АрміяІнформ, CC-BY 4.0)Mick Ryan describes the fast following loop in war. Ukraine pioneered mobile teams to hunt drones. Russia copied it and incorporated it into its own defense. Russia came with unjammable fibre-optic drones but Ukraine quickly followed. After Ukraine developed uncrewed naval drones, Russia built its own.The wheel of action and counteraction turns ever faster:The most consequential fast following, though, has been institu