220507-A-ST150-GR22-Photo 88//U.S. Army Soldier Spc. Matthew Bass, a Chemical, biological, radiological, and nuclear specialist assigned to the 48th Chemical Brigade, 2nd Chemical Battalion, 172nd CBRNE Company, scans the environment for remaining equipment after conducting a platoon-level decontamination team evaluation drill at Muscatatuck Urban Training Center, Ind., May 5, 2022. The simulated nuclear disaster is a part of Guardian Response, a multi-component Homeland Emergency Response Exercise conducted by the Army Reserve’s 78th Training Division. (U.S. Army photo by Staff Sgt. Latasha Price)