In a fight against a formidable enemy, there's no guarantee medical evacuation crews will be able to reach wounded troops. Facing this possibility, the US Army is looking at using ground robots instead to get injured troops off the battlefield. The Army's 2nd Cavalry Regiment is drawing hard-won lessons from the war in Ukraine, where drones and artillery have made any battlefield movements extremely high-risk. "When we're looking at the conflict in Ukraine specifically, most of the use cases