Indiana Department of Homeland Security Courtney Eckstein, the radiation program director, is interviewed at the Homeland Defender exercise at Muscatatuck Training Center, near Butlerville, Indiana, June 8, 2026. Homeland Defender is a multi-agency exercise that simulates multiple disaster scenarios to promote and maintain interoperability among emergency responders. (Indiana National Guard video by Staff Sgt. Hector Tinoco and Sgt. Skyler Schendt)