U.S. Air Force Senior Airman Janie Murray, 357th Airlift Squadron flight engineer, goes through the preflight check list, March 11, 2020, on the flightline at 908th Airlift Wing, Maxwell Air Force Base, Alabama. Flight engineers like Murray are the aircraft systems’ experts who are tasked with monitoring the aircraft’s performance before, during and after the flight; as well as executing emergency procedures if necessary. (U.S. Air Force photo by Senior Airman Shelby Thurman)