From left, Master Sgt. Brad Staggs, of Muscatatuck Urban Training Center, Indiana, Public Affairs, Mike Ochs, Mayor of North Vernon, Indiana, and Lt. Col. Stephen Spencer, commander of Muscatatuck Urban Training Center, walk through the mock chemical, biological, radiological or nuclear contamination training area during Guardian Response 22, 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 the U.S. Army Reserve Soldiers. (U.S. Army Photo by Sgt. Juan F. Jimenez)