From left: Frederick Reed, Fort Hood Emergency Medical Services chief; Dawn O’Connell, Carl R. Darnall Army Medical Center triage and charge nurse; Lt. Col. (Dr.) James Lucas, Carl R. Darnell chief of the Department of Surgery; and Maj. (Dr.) Michael Simpson, Carl R. Darnell ER officer-in-charge, stand next to the emergency bay in which ambulances delivered the casualties from the April 2 shooting on Fort Hood. All four pictured here and their teams treated every casualty hurt in the incident, in many cases saving lives with only minutes to spare. Four people were killed and 16 injured in the tragedy. (U.S. Army photo by Sgt. Ken Scar, 7th Mobile Public Affairs Detachment)