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Case FileNARA NAID 28966364 · T1206 Roll 25

Project Blue Book Case File

Challange, CaliforniaJuly 1956

Unidentified

Summary

On July 22, 1956, at 10:05 a.m. near Challange, California, a civilian witness reported observing one round object the size of a dime, colored red and green, seen through 7x binoculars. The object was moving slowly and existing behind a hill. The sighting lasted about 25 minutes. No positional data was recorded. The Air Force concluded the report involved insufficient data for evaluation, noting the object could possibly be a balloon, aircraft, or astro body.

Reported location

Challange, California

Date of incident

July 1956

State / country

CA / US

Page count

3 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 25

Original case file scans

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

1. DATE: 22 July 1956
2. LOCATION: Challange, California
12. CONCLUSIONS:
[Checkboxes with following checked:]
- Other
- Insufficient Data for Evaluation
- Unknown

3. DATE-TIME GROUP: Local / GMT 22/0805Z
4. TYPE OF OBSERVATION: Ground-Visual
5. PHOTOS: Yes / XR No
6. SOURCE: Civilian
7. LENGTH OF OBSERVATION: 25 minutes
8. NUMBER OF OBJECTS: 1
9. COURSE: Truisting behind hill
10. BRIEF SUMMARY OF SIGHTING:
One round object size of dime color red and green - seen with 7X binoculars. Object was moving slowly & existing behind hill.
11. COMMENTS:
No positional data. Possible balloon, aircraft or astro body. Insufficient data for evaluation.
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Source: National Archives Catalog · NAID 28966364