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Archive case record

Near Denver, Colorado, May 1957

Date of account
1957-05
Location
Near Denver, Colorado
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 1.DATE 2.LOCATION 12. CONCLUSIONS 口 Was Bajloon 2May 1957 Near Denver, Colorado 口 Probably Balioon 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPE OF OBSERVATION DiGround-Visuol 口 Wos Aircrafr Locol D Ground-Rodar 口 Probably Aircroft GMT_03/0730Z D AirVisuai D Air-lntercapt Radar 口 Possibly Aircraft 5.PHOTOS 6.SOURCE 0 Was Astronornical Meteor DYes 口 Prohobly Astronomica! Civilian 口 Possibiy Astronomical DNo 7.LENGTH OP OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口 Otnar. 口 Insufficient Dara for Evaluation 口 Unknown seconds one straight paths 10. BRIEP SUMMARY OF SIGHTING 11.COMMENTS One object,disc shaped,size of Possible meteor. hockey puck,.reddish glow,object had cone shaped tail of blue flame, disappeared behind mountains. ATIC FORM 329(REV 263ZP 52)

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