USAF Thunderbirds visit Scott Youth Center Published June 10, 2017 By Staff Sgt. Clayton Lenhardt 375th Air Mobility Wing Public Affairs Maj. Nick Krajicek, Thunderbirds pilot, practices formations with military children at Scott Air Force Base, Ill., June 9, 2017. Krajicek is the slot pilot and flies the number four jet. (U.S. Air Force photo by Staff Sgt. Clayton Lenhardt)