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Archive case record

Thermopolis, Wyo., October 1957

Date of account
1957-10
Location
Thermopolis, Wyo.
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

UFOB INDEX CARD AISS-UPOB-34O-57 1.DATE 2.LOCATION 12.CONCLUSIONS 24-00t-57 The raopolie, hyo. 口 Was Balloon 100c77 口 Probably Balloon 3.DATE-TIME GROUP 4.TYPE OF OBSERVATION 口 Possibly Balloon 1071140z 0et 57 xBGround-Visual Ground-Rodar 口 Was Aircraft 口 Probably Aircraft Ai~Visual D Air-Intercept Radar 口 Possibly Aircroft 5.PHOTOS 6.SOURCE Was Astronomical OYes 口 Probably Astronomicol 名No Civilian 口 Possibly Astronomical LENGTH OF OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口 Other. second Oae Straight Insufficient Data for Evaluation 口 Unknowm 10.BRIEF SUMMARY OF SIGHTING 11.COMMENTS Bne round white objeot the eize of a Concur with Roporting Officer that quarter at arm's longth.Object flon straight thie Bighting was caused by a meteor. from l00 degreen to 230 degrees in t second. AISOP Form5 (150ct54)

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