As the war in Ukraine drags on, the U.S. military is keeping a close eye on how drones are changing the conflict. They are used by both Russia and Ukraine to watch troop movements, identify targets and drop bombs. We go to the woods of Louisiana to see what lessons the U.S. Army is incorporating into its training and understand what it might mean for future wars.Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)