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Case FileNARA NAID 28971668 · T1206 Roll 28

Project Blue Book Case File

Gresham, OregonSeptember 1957

Insufficient Data

Summary

On September 18, 1957, a civilian in Gresham, Oregon reported seeing a round object about the size of an apple at arm's length. The object was white with red edges. The red would fade and brighten at intervals. The sighting lasted six to nine minutes. The object moved west. An Air Force map plot indicated the object was released at 9 p.m. at a weather station and would arrive in the area at approximately the time given, with winds matching the object's position. The investigation noted the sighting could be explained by a weather balloon or an astronomical body setting in the west, as an astro body setting would produce a similar effect. The data was inconclusive for analysis.

Reported location

Gresham, Oregon

Date of incident

September 1957

State / country

OR / US

Page count

3 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 28

Original case file scans

Original case file · scanned by NARAPage 1 of 3
View transcribed text
PROJECT 10073 RECORD CARD

1. DATE: 18 September 1957
2. LOCATION: Gresham, Oregon
3. DATE-TIME GROUP: Local ___ GMT 19/03302
4. TYPE OF OBSERVATION: Ground-Visual (X) Ground-Radar ( ) Air-Visual ( ) Air-Intercept Radar ( )
5. SOURCE: Civilian
6. PHOTOS: ( ) Yes ( ) No
7. LENGTH OF OBSERVATION: 6 - 9 minutes
8. NUMBER OF OBJECTS: one
9. COURSE: west
10. BRIEF SUMMARY OF SIGHTING: Round object, size of apple at arm's length, white with red edges the red would fade and brighten at intervals.
11. COMMENTS: Map plot shows that balloon was released at 2100 at NX station and would arrive in vicinity at approximately time given with winds coinciding exactly with position of obj. Also possible a/c or astro sighting since position was in west. Astro body setting would give same effect. Data inconclusive for analysis.
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Source: National Archives Catalog · NAID 28971668