Maj. Michael McFall, a 96th Medical Group pathologist, examines stained human tissue April 14, 2016, at Eglin Air Force Base, Fla. McFall examines the patient’s tissue to look for abnormalities before cutting samples to examine under a high-powered microscope. Histology technicians process the tissue and transfer it to the glass slides pathologist study to make the patient’s diagnosis. (U.S. Air Force photo/Ilka Cole)