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Archive case record

Between Valley Forge and Coatsville, Penn., February 1957

Date of account
1957-02
Location
Between Valley Forge and Coatsville, Penn.
Source
uap_archive
Record updated
2026-10-10

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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 only

PROJECT 10073 RECORD CARD 12.CONCLUSIONS 2.LOCATION 1.DATE Between Valley Forge and 口 Wos Balloon Coatsville,Penn; 口 Possibiy Balloon 12 February 1957 4.TYPE OF OBSERVATION 口 Was Aircraft 3.DATE-TIME GROUP MGround-Visual Ground-Radar 口 Probably Aireroft .Locol 口 AinVisuol Air-lntercept Rodar GNT_12/1313Z 口 Was Astronomical 6.SOURCE 口 Probably Astronomical S.PHOTOS aY 口 Possibly Astronomical Civilian 9.COURSE 口 Other. 8.NUMBER OF OBJECTS 口 Insufficient Dota for Evaluation 7.LENGTH OF OBSERYATION 口 Unknown 18 mins stationary still'in sight one 11.COMMENTS 10.BRIEF SUAMARY OF SIGHTING Description,duration,time of One oblong-shaped object the size of seens sighting indicate that this a pencil at arm's length. Object was sighting was probably.caused stationary in the sky at.about 5,000 by a balloon. feet from a moving automobile and was still in sight after l8 minutes,when the observer left t

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