sentences:  The second fatality occurred June 3 during a sport plane pylon race when, during a turn around a pylon, a trailing aircraft's wing and propeller hit the tip of the right wing of a leading aircraft, shearing the leading aircraft's wing off the fuselage.The damaged aircraft crashed almost instantly, killing the pilot, professional Air Racer Hugh C. Alexander of Louisville, GA
  
  The third fatal accident occurred on June 4, the last day of the show.Overhead, jet fighters of the U.S. Air Force Thunderbirds, the Navy's Blue Angels and the Royal Air Force's Red Arrows performed dramatic aerial acrobatics.