U.S. Army Reserve Soldiers assigned to the 307th Chemical Company, based in Bell, California, remove clothing from a mock casualty as they move through a mass casualty decontamination line during Guardian Response 22 at Muscatatuck Urban Training Center, Indiana, May, 2, 2022. Guardian Response 22 is a homeland emergency response exercise that provides realistic disaster response training to sharpen the skills and increase the capabilities of U.S. Army Reserve Soldiers. (U.S. Army Photo by Sgt. Juan F. Jimenez)