Army Spc. Jesse Hise, from the 411th Medical Company based in Millington, Tennessee, practices placing a splint on a notional broken arm during Guardian Response 22, Camp Atterbury, Ind., May 10, 2022. Guardian Response 22 is a training exercise designed to test unit readiness and Soldier skills to nuclear response scenarios that include medical evacuations and triage enroute to hospitals. (Photo by U.S. Army Sgt. Jermaine Jackson)