Student pilots assigned to the 23rd Flying Training Squadron at Fort Rucker, Alabama sit in a classroom, while 1st Lt. William Ensrud, 14th Operational Medical Readiness Squadron aerospace physiology specialist, teaches on August 20, 2020, at Columbus Air Force Base, Miss. The student pilots were taught human factors, altitude threats, spatial disorientation, performance threats, egress, airfield flight equipment and vision, noise and aircraft vibration during their classroom portion of training. (U.S. Air Force photo by Airman 1st Class Davis Donaldson)