U.S. Army Reserve Soldiers from the 409th Engineer Vertical Construction Company of Windsor, Colorado, conduct simulated urban search and rescue operations in an area with chemical, biological or nuclear contamination during Guardian Response 22 at Muscatatuck Urban Training Center, Indiana, April 29, 2022. This exercise featured realistic venues and civilian role-players to simulate a complex disaster environment. Guardian Response 22 helps U.S Army Reserve Soldiers exercise command and control in a realistic, challenging environment. (U.S. Army Photo by Sgt. Juan F. Jimenez)