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National UFO Reporting Center Sighting Report
Occurred : 12/13/2006 23:00 (Entered as : 12/13/06 23:00)
Reported: 1/4/2007 8:49:02 AM 08:49
Posted: 2/1/2007
Location: Chicago, IL
Shape: Unknown
Duration: 45 minutes
Characteristics: There were lights on the object, There were aircraft in the vicinity or aircraft chasing the object
Very low and slow-flying aircraft

I'm not sure exactly what I saw, all I know is that I kept hearing all of these extremely loud aircraft noises in my neighborhood, which is usually quiet and quite far from any airport. I started to get freaked out after about 15 minutes and went the window. I saw an aircraft of some kind flying VERY low--in contrast to commercial jets in the sky, which from a ground view have tiny blinking lights, the proximity to this aircraft was such that the lights appeared to be the size of grapefruits. I couldn't see the exact shape, only that three lights (white-red-white) were kind of lined up in a straight line, and they cast a glow on a kind of underbelly shape I could only glimpse. My thought was that the shape of the thing was almost rectangular, or a straight line, with a very slightly convex underside. The lights were strong enough that I thought, 'they can see me!' through my window, though who knows, and I went away from the window and the aircraft nosies lasted about another half hour. It sounded to me like there were more than one thing zooming around and around. I don't have a whole lot of experience with stuff like this, and there is probably another kind of explanation; I'm only reporting it because I found it very mysterious and thought it might make sense to someone else.

((NUFORC Note: Witness indicates that the date of the sighting is approximate. PD))