U.S. Air Force Staff Sgt. Lauren O'Neal, right, a flight medic assigned to the 86th Aeromedical Evacuation Squadron, hands medical equipment to Capt. Jennifer Mitchum, a flight nurse with the 43rd Aeromedical Evacuation Squadron, during a field exercise at the Joint Readiness Training Center (JRTC), Fort Polk, La., Jan. 15, 2014. Service members attending JRTC 14-03 were trained in combat patient care and aeromedical evacuation in a simulated combat environment.