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Case FileNARA NAID 28975191 · T1206 Roll 31

Project Blue Book Case File

Joliet, IllinoisNovember 1957

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 Joliet, Illinois in November 1957. 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 31.

Reported location

Joliet, Illinois

Date of incident

November 1957

State / country

IL / US

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 31

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
A y PROJECT 10073 RECORD CARD
1. DATE 2. LOCATION i CONCLUSIONS ea
1 Was Balloen
23 Novembar 1957 lie Llinois dX Probably Balloon
pm cel hn LMR of ~~ lJoliet p LilLd L NOLS ===} Possibly Bolloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION |
; AY ; 0 Was Aircraft
“6 = -
Local ooo O Ground- Visual BGround-Rodar Q  Probobly Aircraft
GMAT 24/01087 O5Air Visual 0) Air-Intarcept Radar B Possibly Aircraft
5. PHOTOS 8. SOURCE FAP 1 Was Astronomical
O Yes GOC 3 Probably Astronomical
XB No 5 Airline pilots & Radar & Possibly Astronombeol
7. LENGTH OF O33ERVATION 8. NUMBER OF OBJECTS | 9. COURSE 3 aio 7} ry RSA SE he RET
0 insufficient Dato for Evaluation
ok x : 0 Unk
Oo minutes one not given nk no wn
10. BRIEF SUMMARY OF SIGHTING 5 11. COMMENTS
Large round briliiant white object, Description has characteristics
orange when passing behind thin of a balloon seen at dusk. There : |
cloud. Object seemed to hover at was a balloon released at Moline,
times. Had straight course when Illinois at ahout 0000Z, Probably
noving, Balloon,
ATIC FORM 329 (REV 26 SEP 52)
LJ
/ 4

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Source: National Archives Catalog · NAID 28975191

Connected across the archive

Places

IllinoisJoliet, IL

Agencies

United States Air Force

Dates

19571957-11-01

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