Seargent Maj. Steven Walker, Exercise Sgt. Maj. 87th Training Division and Master Sgt. Robert Maddaloni, Noncommissioned Officer in Charge of Operations 87th Training Command, pose with staff from Columbus Regional Health, May 13, 2025, Columbus, IN. The group of leaders met after a mass casualty exercise where U.S. Army Soldiers MEDEVAC casualties from the Muscatatuck Urban Training Center to Columbus Regional Health as part of Guardian Response 2025. Guardian Response 2025 is a large-scale training exercise held yearly at the Muscatatuck Urban Training Center in Butlerville, IN, aimed at preparing U.S. Soldiers to respond to Chemical, Biological, Radiological and Nuclear (CBRN) threats and hazards within the United States. The Exercise evaluates Soldier's Defense Support of Civilian Authorities (DSCA) response capabilities to ensure Soldier readiness as America's first line of defense. (U.S. Army photo by Sgt. 1st Class Justin Hardin)