U.S. Air Force Senior Airman Carlos Berrera, 30th Medical Support Squadron laboratory technician, adjusts slides in a microscope at Vandenberg Air Force Base, California, April 24, 2019. As one of the first steps in effective care, the 30th MDSS Laboratory provides diagnostic information to improve diagnoses. (U.S. Air Force photo by Airman 1st Class Hanah Abercrombie)