Sgt. Seth Light (right), an observer controller trainer assigned to 821st Engineer Company out of West Virginia, looks on as Sgt. Alex Gaboric, a military policeman from the 811th Engineer Company, an Ohio National Guard unit out of Tarlton, and Tech. Sgt. Ashley Blackburn, an airman and combat medic assigned to the 811th, treat a survivor of a simulated nuclear blast attack during last year’s Vibrant Response 13 field training exercise at the Muscatatuck Urban Training Center, Ind. (Photo by Sgt. Terence Ewings)