Airmen assigned to the 28th Medical Group practice emergency aid at Ellsworth Air Force Base, S.D., July 16, 2014, during a training exercise outside of the base clinic. On the third Wednesday of each month, the 28th MDG focuses on training its personnel to better serve the medical needs of Airmen, family members and civilians. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)