"as a smart minefield." Smart as in kills anything that moves, sure. "All of these should give it a reasonably accurate idea of its whereabouts." But if you

"as a smart minefield." Smart as in kills anything that moves, sure. "All of these should give it a reasonably accurate idea of its whereabouts." But if you add high speeds and bad weather to the scenario, together with highly populated areas, reasonable accurate becomes a relative thing. Unless the drones as a consequence mostly fight themself in remote areas. Might be better than humans fighting in urban areas, but reality most likely will be robots vs. bad equipped humans in urban areas.