In a field on the outskirts of Kyiv, the founders of Vyriy, a Ukrainian drone company, were recently at work on a weapon of the future. To demonstrate it, Oleksii Babenko, 25, Vyriy’s chief executive, hopped on his motorcycle and rode down a dirt path. Behind him, a drone followed, as a colleague tracked the movements from a briefcase-size computer.

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Persons: Oleksii Babenko Organizations: Vyriy Locations: Kyiv, Ukrainian