UFO HUNTERS on HISTORY, Wednesdays at 10 PM. A UFO sighting above Chicago's largest airport leaves authorities scrambling for answers... There are approximately 30,000 commercial flights in the United States every day...and as the number of flights increase, so does the proximity of UFO encounters. On November 7th, 2006, a strange object hovered for ten minutes over Gate C17 at O'Hare International Airport in Chicago before rapidly ascending into the sky. And on October 23rd of 2004, in Osaka, Japan a UFO was spotted tailing Japanese Airlines flight 1512 as it came in for a landing. Are UFOs following our own commercial aircraft, and surveying our airports? The team sifts through the evidence of these and other mysterious cases to determine if UFOs have a peaceful or malevolent agenda. For more info, please visit http://www.history.com/minisites/ufohunters