U.S. Army Staff Sgt. Brian Becker, a horizontal construction engineer with the Headquarters and Headquarters Company in the 92nd Engineering Battalion in Fort Stewart, Georgia, straps down a manikin at the Muscatatuck Urban Training Center, Indiana, May 7, 2022, as part of Guardian Response 22. The homeland emergency response exercise validates an Army unit’s ability to support the Defense Support of Civil Authorities in an event of a chemical, biological and nuclear catastrophe. (U.S. Army photo by Staff Sgt. Christopher Osburn)