Shortly after 4:15 pm CST on November 7, 2006, it might have seemed like any ordinary overcast winter afternoon for United Airlines employees outside Gate C17 at Chicago’s O’Hare International Airport (ORD). Ordinary, except for what looked like a hole in the sky above one of the country’s busiest hubs for international air travel.  

Visible in the 1,900 ft cloud base was an almost perfect hole, the apparent footprint left by a round unidentified object that had been seen hovering there just moments earlier before it rapidly ascended, punching through the clouds on its departure.   

What unfolded over Chicago that afternoon would become one of the most talked about UAP incidents of the new millennium. Today, what is remembered as the 2006 O’Hare International Airport UAP incident also remains a stark reminder of the potential hazards that aviators face amidst reports involving unrecognized objects that seemingly invade America’s most sensitive airspace with utter disregard for federal aviation ordinances.  

The Federal Aviation Administration (FAA) said nothing had been detected on radar that afternoon. Still, several employees—and possibly even a few of the pilots and crew aboard outgoing flights—all observed something in the skies above O’Hare. 

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