 is the anniversary of pilot Kenneth Arnold's 1947 account of fast-moving spacecraft over Mount Rainier. Others celebrate it today, which is the anniversary of the Roswell, New Mexico incident that same year. In 1994, it was revealed that a U.S. Army Air Force's high-altitude balloon was part of a top-secret project that sought to detect Soviet nuclear bomb tests. And report from Fox's Tanya J. Powers, WHIO Newstime, 727.