U.S. Air Force Senior Airman, 88th Inpatient Operations Squadron Intensive Care Unit medical technician, establishes an intravenous access site on the arm of U.S. Air Force Staff Sgt. Christopher Reynolds, 88th Inpatient Operations Squadron medical technician, as part of phase II didactic lab blood draw training for Air Force medical technicians inside the medical center here at Wright-Patterson Air Force Base, Ohio, April 7, 2017. Training is conducted in two phases, the first phase focuses on lecture and theory and the second phase consists of didactic, clinical setting. (U.S. Air Force photo by Michelle Gigante/Released)