Altadena, Calif, June 1955June 1955

Insufficient Data

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Altadena, Calif, June 1955 in June 1955. The full case file (4 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 23.

Reported location

Altadena, Calif, June 1955

Date of incident

June 1955

State / country

? / XX

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 23

Original case file scans

Original case file · scanned by NARAPage 1 of 4

Transcribed text

: i
\
‘ { : PROJECT 10073 RECORD CARD i ):
1. DATE 2. LOCATION 12. CONCLUSIONS
i , 3 : 0 Was Balloon
17 June 55 Altadena, Calif GO Probobly Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION TX Possibly Balloon |
y i ft 0 Was Aircraft?

| Local gE RS QO Ground- Visual O Ground-Rador 0 Probubly Aircraft
GMT 17/0900 DO Air Visual O Air-Intercept Radar O Possibly Aircraft
3. PHOTOS 8 SOURCE 0 Was Astronomical
‘] O Yes : : 0 Probably Astronomical
: XH No civilian O Possibly Astronomical : |
] 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9- COURSE BB ORT Bible iin i aii is
; |Fr ¥ to S O Insufficient Data for Evaluation
1 10 min 1 then Up oe.
1 10. BRIEF SUMMARY OF SIGHTING : 11. COMMENTS :
Round. Reddish. No sound. Rose vertically Description of obj and motions
: then faded. indicate a possible balloon.
ATIC FORM 329 (REV 26 SEP 52)
L ¥ UR RE PENSAR RG i RE rae Ve ER, wid ’

/ 4

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Source: National Archives Catalog · NAID 28962414

Connected across the archive

Programs and code names

Project Blue Book

Places

Altadena

Agencies

United States Air Force

Dates

1955 1955-06-01