Members of the 379th Expeditionary Medical Group set up litter carries and prepare to conduct triage on casualties in response to a mass casualty exercise at Al Udeid Air Base, Qatar, Jan. 31, 2014. The 379th EMDG responded to a simulated structure fire and provided emergency medical services to injured service members and casualties. Deployed airmen participate in mass casualty exercises to enhance emergency response skills in response to real world emergencies. (U.S. Air Force photo/Senior Airman Hannah Landeros)