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Archive case record

Cheyenne, Wyoming, May 1955

Date of account
1955-05
Location
Cheyenne, Wyoming
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

PROJECT10073RECORDCARD 1.DATE 2.LOCATION 12.CONCLUSIONS 口 Was Balloon 23 May1955 Cheyenne,Wyoming 口 Probably Balloon 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPE OF OBSERVATION Local-2400 PST CGround-Visual Ground-Radar 口 Was Aircraft 口 Probobly Aircraft GMT.. 24/0700Z DAirVisual Air-Intercept Radar 口 PossiblyAircroft 5.PHOTOS 6.SOURCE 口 Was Astronomical OYes 口 Probably Astronomical Military 口 Possibly Astronomical KNO 8.NUMBEROF OBJECTS 9.COURSE .Oth.UNIDENTIFIED 7.LENGTH OF OBSERVATION 口 Insufficient Data for Evaluation CxUnknown approx 5 mins 16 secs four west 10.BRIEF SUMMARY OF SIGHTING 11.COMMENTS Formation side by side. The two This rpt received in AE-5 on whie objects had a slender,rectan- 13 Jun 55 fm 4620d.A1though the gular shape; the other two, oval evaluation of unknown was given, with protruding top.Latter two were there is strong possiblity that dark with intermittent bluis

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