Rockfinder/Kypros/guvendemir/Getty Images; Jenny Chang-RodriguezA Russian infantry vehicle darts across a war-torn field, trying to outrun a small Ukrainian drone. But there's no escaping this peculiar weapon: a high-speed, highly maneuverable flying IED.The drone strikes the armor, setting off an explosion. Soldiers inside rush to ditch their wounded vehicle, knowing well what's coming next.