Army Spc. Trevor Dunn and Pfc. Dylan Mohr, medics with the 550th Medical Company (Area Support), 261st Medical Battalion, out of Fort Bragg, N.C., place a manikin onto a litter during a casualty evacuation during Exercise Guardian Response 21 at Camp Atterbury, Ind., April 30, 2021. Guardian Response is a multi-component Homeland Emergency Response Exercise run by the Army Reserve's 78th Training Division. (U.S. Army photo by Sgt. Anshu Pandeya)