U.S. Army Reserve Soldier Spc. Deondre Jackson with

U.S. Army Reserve Soldier Spc. Deondre Jackson with 2nd Battalion 311th Regiment, based in Fort Bragg, N.C., applies fake blood to a moulage injury on a mannequin during Guardian Response 18 at Muscatatuck Urban Training Center, Ind., April 9, 2018. More than 4,500 Soldiers from across the country are participating in Guardian Response 18, a multi-component training exercise to validate U.S. Army units’ ability to support the Defense Support of Civil Authorities (DSCA) in the event of a Chemical, Biological, Radiological, and Nuclear (CBRN) catastrophe. (U.S. Army Reserve Photo by Staff Sgt. Carolyn Hawkins/318th Press Camp Headquarters)