UFO identified as satellite ECHO II in Illinois

Summary

An observer in Calumet Park, Illinois, sighted a bright object in August 1965. The report details that the object was seen for several minutes and then disappeared suddenly. Initially thought to be a common aerial phenomenon, further analysis linked it to the ECHO II satellite. This satellite, known for its high brightness, was in orbit, and its trajectory matched the sighting. The sudden disappearance of the object was explained as the moment the satellite entered Earth's shadow.

The report includes testimonies from the observer, detailed descriptions of the object, and weather conditions. Despite the absence of photographs or physical evidence, the available data support the identification as a satellite. The observation was recorded by the U.S. Air Force, which concluded it was not an unexplained phenomenon but a typical sighting of an orbiting satellite.