Declassified UFO / UAP Document
Project 10073 Record Card and UFO Report — Arlington Heights, Illinois, 9 July 1963
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AI-Generated Summary
A retired military officer reported a white, wobbling object in the sky over Arlington Heights, Illinois, on July 9, 1963. Military investigators identified the object as the satellite ECHO I, attributing the observed motion to atmospheric conditions.
On July 9, 1963, at approximately 2030 local time, a retired Lieutenant Commander named Gates, a consulting engineer residing in Arlington Heights, Illinois, observed a white object in the sky. The witness reported that the object appeared to be wobbling and was observed for 8 to 10 minutes before disappearing at a 30-degree elevation in the South. The report was subsequently filed by the HQ Chicago Air Defense Sector at Truax Field, Wisconsin. Military authorities investigated the sighting and concluded that the object was the satellite ECHO I. The perceived 'wobble' of the object was officially attributed to a temperature inversion present in the local weather conditions at the time of the observation.
Wobble attributed to the wx inversion in the area. Case evaluated as ECHO Observation.
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Official Assessment
Case evaluated as ECHO Observation.
The object observed was identified as the satellite ECHO I. The observed 'wobble' was attributed to the weather inversion in the area.
Witnesses
- GatesLt Commander (Retired)Consulting Engineer