2nd Lt. Junyoung Kim, a U.S. Army Reserve Soldier with the 491st Medical Command Area Support from Santa Fe, New Mexico, discusses care with a civilian role player prior to directing her to a decontamination zone during Guardian Response 22 at Muscatatuck Urban Training Center, Indiana, May 2, 2022. This exercise featured realistic venues and role-playing civilians to simulate a complex disaster environment. Guardian Response 22 helps U.S. Army Reserve Soldiers exercise command and control in a realistic, challenging environment. (U.S. Army photo by Spc. Justin Escourse)