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Archive case record

San Gabriel, California, May 1955

Date of account
1955-05
Location
San Gabriel, California
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 MX Was Balloon 口 Probably Balioon San Gabriel,California 口 Possibly Balloon 19 May 1955 4.TYPE OF OBSERVATION 口 Was Aircraft 3.DATE-TIME GROUP XGround-Visual Ground-Radar 口 Probably Aircroft Local 口 Possibly Aircraft Air-Visual Air-Intercept Radar GM20/0445Z 口 Was Astronomical 6.SOURCE 口 Probably Astronomical 5.PHOTOS Possibly Astronomical Yes Civilian D,Other. 8.NUMBER OF OBJECTS9. COURSE 口 Insufficiont Data forEvaluation 7.LENGTH OF OBSERYATION 口 Unknown West one 5 minutes 11.COMMENTS 10. BRIEF SUMMARY OF SIGHTING Definitely a balloon. Round/white/faded waway/gaining altitude. ATIC FORM 329 (REV 26SEP 52)

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