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Case FileNARA NAID 28961570 · T1206 Roll 22

Project Blue Book Case File

Ripley, CaliforniaMarch 1955

Unidentified

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Ripley, California in March 1955. The full case file (2 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 22.

Reported location

Ripley, California

Date of incident

March 1955

State / country

CA / US

Page count

2 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 22

Original case file scans

Original case file · scanned by NARAPage 1 of 2
Transcribed text
PROJECT 10073 RECORD CARD

1. DATE
17 March 1955

3. DATE-TIME GROUP
Local
GMT 17/1724Z

2. LOCATION
Ripley, California

4. TYPE OF OBSERVATION
Air-Visual

12. CONCLUSIONS
Was Balloon
Probably Balloon
Possibly Balloon
Was Aircraft
Probably Aircraft
Possibly Aircraft
Was Astronomical
Probably Astronomical
Possibly Astronomical
Other
Insufficient Date for Evaluation
Unknown

5. PHOTOS
Yes
No

6. SOURCE
Military

7. LENGTH OF OBSERVATION
3 minutes

8. NUMBER OF OBJECTS
One

9. COURSE
North

10. BRIEF SUMMARY OF SIGHTING
Round, Silver, no sound. Straight and level with no maneuvering. Traveled out of sight in 3 minutes. Obj heading 90 degrees.

11. COMMENTS
Probable a/c.
/ 2

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Source: National Archives Catalog · NAID 28961570

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