Sgt. Rene Anguiano of Riverside, California, a U.S. Army Reserve Soldier with the 307th Chemical Company from Bell, California, tests a civilian role-player for hazardous contamination during Guardian Response 22 at Muscatatuck Urban Training Center, Indiana, May 2, 2022. Guardian Response 22 featured realistic venues and civilian role-players to simulate a complex disaster environment. This exercise reinforces Soldiers military skills and confidence in caring for ambulatory and non-ambulatory victims following a mock nuclear attack. (U.S. Army photo by Spc. Justin Escourse)