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Case FileNARA NAID 28965156 · T1206 Roll 24

Project Blue Book Case File

Chicago, IllinoisMarch 1956

Insufficient Data

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

Original case file scans

Original case file · scanned by NARAPage 1 of 3
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PROJECT 10073 RECORD CARD

1. DATE
14 March 1956

3. DATE-TIME GROUP
Local
GMT 15/0251Z

5. PHOTOS
DYes
DNo

2. LOCATION
Chicago, Illinois

4. TYPE OF OBSERVATION
XX Ground-Visual D Ground-Radar
D Air-Visual D Air-Intercept Radar

6. SOURCE
Civilian & Military (CGC)

7. LENGTH OF OBSERVATION
thirty minutes

8. NUMBER OF OBJECTS
one

9. COURSE
see description

12. CONCLUSIONS
DX Was Balloon
D Probably Balloon
D Possibly Balloon
D Was Aircraft
D Probably Aircraft
D Possibly Aircraft
D Was Astronomical
D Probably Astronomical
D Possibly Astronomical
D Other
D Insufficient Data for Evaluation
D Unknown

10. BRIEF SUMMARY OF SIGHTING
one round object, size unknown, white in color, similar to a light was seen directly above the observer. The object appeared to 'move back & forth' and then faded from sight after 1/2 hour.

11. COMMENTS
Probable balloon sighting. Rising motion and description indicate this evaluation.

ATIC FORM 329 (REV 24 SEP 52)
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Source: National Archives Catalog · NAID 28965156