Soldiers from the Hawaii National Guard's 93rd Weapons of Mass Destruction Civil Support Team receive hands-on training with the Talon IV unmanned robot at the Robot Logistics Support Center, in Lexington, Ky., July 26, 2017. Previously used by explosive ordnance disposal teams in Iraq and Afghanistan, the robots now are the first chemical, biological, radiological and nuclear defense assets of their kind in the Defense Department. Army photo by Staff Sgt. Darron Salzer