An Airman assigned to the 28th Operations Support Squadron tests equipment for aviators prior to a more than 25-hour non-stop deployment from Ellsworth Air Force Base, S.D., to the U.S. European Command area of responsibility May 4, 2020. In addition to caring for aviators, many flight surgeons serve as occupational medical specialists by monitoring the safety and health of the base population, particularly those who work in hazardous work environments. (U.S. Air Force photo by Airman 1st Class Christina Bennett)