U.S. Army Reserve Sgt. Christian Rennie, left, an

U.S. Army Reserve Sgt. Christian Rennie, left, an instructor-operator with the Fort McCoy Medical Simulation Training Center, mentors Cpt. Sean Flanagan, center, and Spc. Alexandra Vanoverbeke, Soldiers from the 13th Psychological Operations Battalion, as they render aid to a simulated casualty during their combat lifesaver validation course at Fort McCoy, Wisconsin, July 18, 2019. (U.S. Army Reserve photo by Sgt. Cameron Christensen)