Senior Airman Sydney Daugherty, a laboratory technician at the 6th Medical Group, streaks an agar plate, Feb. 18, 2020, at MacDill Air Force Base, Fla. These samples are allowed time to grow and then tested for different bacteria. If bacteria are found, tests are run to determine what antibiotics work on different types of bacteria. (U.S. Air Force photo by Airman 1st Class David D. McLoney)