Great Falls, MontanaMay 1957

Insufficient Data

Summary

On May 25, 1957, in Great Falls, Montana, a witness observed one round bright white light about the size of the North Star. The object appeared to be spinning around at high speed and then slowed down. It seemed to be disappearing in the clouds. The object was seen for about twenty minutes. According to the Air Force comments, the description, duration, and manner of disappearance indicate that this sighting was probably caused by a balloon.

Reported location

Great Falls, Montana

Date of incident

May 1957

State / country

MT / US

Page count

3 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 27

Original case file scans

Original case file · scanned by NARAPage 1 of 3

View transcribed text

PROJECT 10073 RECORD CARD

1. DATE
25 May 1957

2. LOCATION
Great Falls, Montana

3. DATE-TIME GROUP
Local ___
GMT 30/0300Z

4. TYPE OF OBSERVATION
XB Ground-Visual  [] Ground-Radar
[] Air-Visual  [] Air-Intercept Radar

5. PHOTOS
[] Yes
[] No

6. SOURCE
Civilian

7. LENGTH OF OBSERVATION
twenty minutes

8. NUMBER OF OBJECTS
one

9. COURSE
unknown

12. CONCLUSIONS
[] Was Balloon
XB Probably Balloon
[] Possibly Balloon
[] Was Aircraft
[] Probably Aircraft
[] Possibly Aircraft
[] Was Astronomical
[] Probably Astronomical
[] Possibly Astronomical
[] Other___
[] Insufficient Data for Evaluation
[] Unknown

10. BRIEF SUMMARY OF SIGHTING
One round bright white light about the size of the North Star. Object seemed to be spinning around at high speed and then slowed down. Object seemed to be disappearing in the clouds. Object was seen for about 20 minutes.

11. COMMENTS
Description, duration, manner of disappearance indicate that this sighting was probably caused by a balloon.

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Source: National Archives Catalog · NAID 28969990