Unmanned systems now inflict more than 90% of Russia’s casualties on the front lines in Ukraine, yet no NATO military, including America’s, has begun the overhaul that kind of war demands, Ret. Army Gen. David Petraeus said Oct. 16, weeks after the Pentagon announced a new command for autonomous warfare.The extent of the drone war is underestimated, with Ukraine and Russia each using roughly 10,000 drones a day, the former CIA director and onetime commander of U.S. Central Command said, speaking at an American Primary Aluminum Association event in Washington.“This is an unmanned systems war,” Petraeus said. “Tanks aren’t survivable…