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Case FileNARA NAID 28963284 · T1206 Roll 23

Project Blue Book Case File

Chicago, IllinoisAugust 1955

Insufficient Data

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Chicago, Illinois in August 1955. The full case file (4 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 23.

Reported location

Chicago, Illinois

Date of incident

August 1955

State / country

IL / US

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 23

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
i a By EE RT — . pw— - 2 oo. =
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“ ty PROJECT 10073 RECORD CARD |
I. DATE 2. LOCATION 12. CONCLUSIONS
25 Aug 55 Chicago, Illinois O Was Balloon
0 Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION Gli ESET Sven
O Wos Aircraft
ewes XX Ground-Visual O Ground-Radar 0 Probably Aircraft
CMT /03107 0 Air Visual O Air-Intercept Radar O Possibly Aircraft
S. PHOTOS 8. SOURCE DO Was Astronomical
: 0 Yes 0 Probably Astronomical
@ No civilian (taxi-driver) O Possibly Astronomical
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE 5) Tr Fore
oe § ohn y 4: + ( 2 O Insufficient Data for Evaluation
ten minutes three circling 0 Unknown
10. BRIEP SUMMARY OF SIGHTING 11. COMMENTS :
Three, cylindrical objs, approximately six feet Concur with opinion of Reporting Office
\ in length, blue with white exhaust, and of unreliable report. (Observer in-
: apparently circling Chicago. toxicated at time of sighting.)
ATIC FORM 329 (REV 26 SEP 52)
8 : . . . |
: : RR aR : . ".
: 0 AS SAH a ie
/ 4

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Source: National Archives Catalog · NAID 28963284

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