Sheppard Fire Department firefighters carry a car bomb "victim" to a waiting ambulance Wednesday morning during a mass casualty exercise at the community center. (U.S. Air Force photo/John Ingle)
Firefighters prepare to provide assistance during an exercise Wednesday. A possible "terrorist" drove through Sheppard's hospital gate before exploding his car at the southeast corner of the ocmmunity center. (U.S. Air Force photo/John Ingle)
82nd Security Forces Squadron members Tech. Sgt. Michael Jones and Staff Sgt. Joseph Hobert provide self-aid and buddy care during an exercise Wednesday near the community center. (U.S. Air Force photo/John Ingle)
82nd Security Forces Squadron Staff Sgt. Dawn Stevens controls traffic following an "explosion" at teh community center. SFS members set up a perimeter around the site to keep traffic out of the area. (U.S. Air Force photo/John Ingle)