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Archive case record

Sonoma, California, March 1955

Date of account
1955-03
Location
Sonoma, 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

UFCB INDEX CARD 1.DATE 2.LOCATION 12.CONCLUSIONS 口 Was Balloon 30mMarch 1955 Soncma,Califorma Probably Balloon Possibly Balloon 3.DATE-TIME GROUP 4.TYPEOFOBSERVATION Local Ground-Visual Ground-Radar 口 Was Aircraft Probably Aircraft DAir-InterceptRadar 口 Possibly Aircraft GMT 5.PHo89/0335-211a55 6.SOURCE 口 Was Astronomical Yes 口 Probabiy Astronomical 口 PossiblyAstronomical DNo 7.LENGTH OKOBSERVATION 8.MieEkicngBEstadeAtgouRSE 口 Other. 口 InsufficientData forEvaluation 口 Unknown cpcrox_3o_secordx ana(2) atraight.weat 10.BRIEF SUMMARY OF SIGHTING 11.COMMENTS ona(1) oojaot, the sizo ca a dime hald at arpn'a Possibly balloon.No furtaer length,ailyery whito.Appeaxod to tho Invoatigation cuthorizad by this cbservor asaballoonof some sozt. oragmi2ation (46o2d AIss) AIS0PForm5(150ct54)

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