Skyfest 2006, Fairchild’s air show and open house, is only six weeks away. The annual free event, scheduled for July 29-30, is expected to draw over 100,000 people from all over the Pacific Northwest. The U.S. Air Force Thunderbirds, the Air Force’s premier flight demonstration team, is slated to be the main act, said Maj. Carol Gering, 92nd Air