
Firefighters from the 379th Air Expeditionary Civil Engineer Squadron, Al Udeid Air Base, Qatar, arrive on the scene of a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Firefighters from the 379th Air Expeditionary Civil Engineer Squadron, Al Udeid Air Base, Qatar, put away their tools and equipment following a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Master Sgt. Dominique Dickens, Air Forces Central Command Combat Camera noncommissioned officer in charge, Al Udeid Air Base, Qatar, documents medical responders attending to a patient during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Firefighters from the 379th Air Expeditionary Civil Engineer Squadron, Al Udeid Air Base, Qatar, pull a simulated patient from a vehicle during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Firefighters from the 379th Air Expeditionary Civil Engineer Squadron, Al Udeid Air Base, Qatar, pull a simulated patient from a vehicle during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Staff Sgt. Mary Lynn Llaguno, 379th Expeditionary Medical Group, Al Udeid Air Base, Qatar, checks on a patient during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Master Sgt. Shanna Bufkin, medical technician, 340th Expeditionary Air Refueling Squadron, Al Udeid Air Base, Qatar, attends to a patient during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Senior Airman Marco Melendez and Staff Sgt. Mary Lynn Llaguno, 379th Expeditionary Medical Group, Al Udeid Air Base, Qatar, roll a patient to her back during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Firefighters from the 379th Air Expeditionary Civil Engineer Squadron, Al Udeid Air Base, Qatar, prepare a hydraulic rescue tool, also known as the Jaws of Life, during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Senior Airman Marco Melendez, 379th Expeditionary Medical Operations Squadron, Al Udeid Air Base, Qatar, yells commands to another responder during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)

Senior Airman Marco Melendez, 379th Expeditionary Medical Operations Squadron, Al Udeid Air Base, Qatar, radios commands to another responder during a mass casualty exercise here, Dec. 15, 2015. The exercise tested the emergency response capabilities of fire and medical personnel. (U.S. Air Force photo by Master Sgt. Joshua Strang)