15-20 Mi W of Jolliet, Illinois, November 1957
- Date of account
- 1957-11
- Location
- 15-20 Mi W of Jolliet, Illinois
- Source
- uap_archive
- Record updated
- 2026-10-10
Record summary
Project Blue Book case file indexed from National Archives metadata; page-level review pending.
Published source text
Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.
Source page 1
Source text · mention onlyPROJECT 10073 RECORD CARD I.DATE 2.LOCATION 15-20 MiW of 12.CONCLUSIONS Sighting 8636CST D. Was Balloon Jolliet,Illino 26 Nov 57Inyestipat. Probably Bolloon Dec57 口 Possibly Bolloon 3.DATE-TIME CROUP 4.TYPE OF OBSERVATION 口 Was Aircraft Locol 0630 CST Ground-Visual D Ground-Rudar 口 Probobly Aireroft 26/1230Z 口 Possibly Aircroft GMT DxAirVi sual Air-tntereopt Rador S.PHOTOS 6.SOURCE 口 Wus Astronomicol aY： 口 Probably Astronomicol Civilian, 口 Possibly Astronomical O.EO Indiana ANG Pilot Prob.Contraiis 9.COURSE Othor. 7.LENGTH OF.OBSERVATION 8.NUMBER OF OBJECTS 口 Insufficient Doto for Evaluation 口 Unknown l0 minutes one East n. couMeNts Investigator contacted 10. BRIEF SUMMARY OF SIGHTING A 3l year old former UsAF pilot,now AC&w and Fis units in the area & an ANG Capt flew an F-86A at 40,000 ft two ADiv.No record of unusual on 26 Nov. While W of Jolliet,Ill at sightings was found. No other p
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