U.S. Air Force Staff Sgt. Delaney Preston, an aerospace medical technician assigned to the 180th Fighter Wing, Ohio Air National Guard, prepares to draw blood from Maj. Jeffrey Conant, a physician assistant June 20, 2018 in Swanton, Ohio. Preston is assigned the infection control noncommissioned officer in charge to prevent the spread of infectious diseases among Airmen and patients. The 180FW medical group maintains the highest levels of proficiency and readiness, and maintains the safest possible environment for Airmen. (U.S. Air National Guard photo by Airman 1st Class Hope Geiger)