Emergency Room Service members and medical personnel check vital signs on a mock casualty during a mass casualty exercise as part of Operation Capital Shield at Fort Belvoir, Va., Sept. 8, 2017. DoD photo by Reese Brown SHARE: Download: Full Size (2.53 MB) Tags: Northcom, Northern Command, Soldiers, Army, training Credit: Reese Brown VIRIN: 170908-D-TQ271-057A.JPG Photo Gallery