Airmen ask questions of Robert Schilling, a former Airman and gunner on the AC-47 “Spooky,” inside the Airman Leadership School at Ellsworth Air Force Base, S.D., March 20, 2017. Schilling was an Airman during the Vietnam War, and now tells his stories to help enlighten the next generation of Air Force leaders. (U.S. Air Force photo by Airman 1st Class Randahl J. Jenson)