U.S. Air Force Maj. (Dr.) Luisa Watts, 88th Diagnostics

U.S. Air Force Maj. (Dr.) Luisa Watts, 88th Diagnostics and Therapeutic Squadron pathologist, holds a smear of a patient’s Endobronchial Ultrasound Sampling Fine Needle Aspirate inside the operating room at Wright-Patterson Air Force Base Medical Center, June 26, 2017. The tissue sample has been extracted from the needle, smeared onto a slide and then chemically stained for microscopic analysis. Dr. Watts then examines the smear under the microscope to make a diagnosis of the patient’s condition. (U.S. Air Force photo by Michelle Gigante/Released)