ALBAWABA - The United States announced the closure of Lake Michigan's airspace to ensure the safety of civilian air traffic in the area, according to the Federal Aviation Administration ( FAA ). Local media reports pointed to an unidentified flying object, which was spotted during the weekend, forcing FAA to establish national defense airspace over Montana. Here We Go Again: Skies Over Lake Michigan Closed for “National Defense Purposes” https://t.co/dGiVZ74b9F ...