A Ukrainian reconnaissance unit in Kharkiv Oblast.Global Images Ukraine/ Getty ImagesSmall drones dominate Ukraine's battlefield, but their advantage won't last, France's army chief said.Small, relatively cheap drones have been hugely successful weapons in the war so far.However, experts told BI that advancing countermeasures would limit small drones' capabilities.Small aerial drones have dominated the battlefield in Ukraine, but according to French Army Chief of Staff Gen.