According to Jon Kettler,  the UFO was actually glowing in a green color, and “found emitting heat, ionizing radiation” which caused a visit from the Homeland Security and Nuclear Security Commission to arrive on the scene.

Go to http://johnkettler.com/ufo-lands-in-broad-daylight-at-chicagos-ohare-airport-breaking/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+johnkettler%2FkfXL+%28John+Kettler+Investigates%29&utm_content=Yahoo%21+Mail for more details on this story.