Project Blue Book Case File
Chicago, IllinoisMarch 1956
Summary
On March 14, 1956, in Chicago, Illinois, a civilian and military observer reported a sighting. A round object of unknown size and white color was seen at an unknown altitude. The object appeared to move back and forth directly above the observer and then faded from sight after half an hour. The sighting lasted thirty minutes. According to the record, the Air Force evaluation was that this was probably a balloon sighting based on the rising motion and description.
Reported location
Chicago, Illinois
Date of incident
March 1956
State / country
IL / US
Page count
3 scanned pages
USAF evaluation
unknown
Microfilm
T1206, Roll 24