Pfc. Jose Martinez (left) of Montebello, California, helps Spc. Robert Vicente of Las Vegas, Nevada, properly don a protective suit before Martinez treats mock victims of a disaster scenario with radiological contamination during Guardian Response 22 at Muscatatuck Urban Training Center, Indiana, May 2, 2022. Both Soldiers are chemical, biological, radiological and nuclear specialists assigned to the 307th Chemical Company, based in Bell, California. Guardian Response 22 is a homeland emergency response exercise that sharpens the skills and increases the capabilities of U.S. Army Reserve Soldiers. (U.S. Army Photo by Staff Sgt. Jon Soles)