U.S. Army Reserve Spcs. Ashley Carson, left, and William Barrett, both assigned the 452nd Combat Support Hospital, 807th Medical Command (Deployment Support) based in Milwaukee, hold a collapsible litter holding a "casualty" as litter squad leader Spc. Nicholas Radtke pushes the litter through a culvert during a litter obstacle course on Fort McCoy, Wis., Sept. 16, 2022. (U.S. Army Reserve photo by Sgt. 1st Class Clinton Wood, 88th Readiness Division).