Two 14th Flying Training Wing pilots conduct preflight checks on a T-1A Jayhawk April 9, 2020, at Columbus Air Force Base, Miss. The T-1 is a medium-range, twin-engine jet trainer used in the advanced phase of specialized undergraduate pilot training for students selected to fly airlift or tanker aircraft. Pilot training has been deemed essential operations and continues amid the COVID-19 pandemic. (U.S. Air Force photo by Airman 1st Class Davis Donaldson)