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Archive case record

Selfridge AFB, Michigan, April 1952

Date of account
1952-04
Location
Selfridge AFB, Michigan
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 10073RECORD CARD 1.D4TE 2.LOCATION 12.CONCLUSIONS 27 Apr 52 Selfridge AFB, Michigan 口 Wos Balloon 口 Probably Balioon Possibly Balioon 3.DATE-TIME GROUP 4.TYPEOFOBSERVATION Ground-Rador WosAircroft Locui RGround-Visual ProboblyAircraft 0100 DAir-Visuol Air-lntercoptRadar Possibly Aircraft GMT. 5.PHOTOS 6.SOURCE 口 Wos Astronomicol Yos AF Captain ProboblyAstronomiceMETEOR Possibiy Astronomical XNo 7.LENGTH OF OBSERVATION 8.NUMBEROF OBJECTS 9.COURSE 口 Other 口 Insufficient Data forEvoluation 3-4 seconds 1 口 Unknowm 10.BRIEF SUMMARY OF SIGHTING 11.COMMENTS Kelly green color.Ball shape. ATICFORM329(REV26SEP 52)

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