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Case FileNARA NAID 28987471 · T1206 Roll 38

Project Blue Book Case File

Denver, ColoradoJune 1960

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 Denver, Colorado in June 1960. 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 38.

Reported location

Denver, Colorado

Date of incident

June 1960

State / country

CO / US

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 38

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
| . - SROJECT 10073 RECORDCARD + -
rt lt A I —— RON. -

I. DATE 2. LOCATION ’ 12. CONCLUSIONS ©
29 June, 1960 Denver, Colorado © |9@ Was Balloon
5 y . DO Probably Balloon
| 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION SL TATOO. Se
. : i O Wos Aircraft
3 a ra 8XGround- Visual O Ground-Radar 0 Probably Aircraft
i LB Ee. el Amos S A. SARC ATR 0 AirVisvol . D Air-Intercept Radar |O Possibly Aireraft
4 5. PHOTOS . SOURCE GX Was Astronomical leteor
; 0 Yes O Probably Astronomical
‘ Ne Civilian O Possibly Astronomical | :
: 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE CERES SNR oe WO
y O Insufficient Dota for Evaluation |
10 seconds seven NW-SE FAURE |
: 10. BRIEF SUMMARY OF SIGHTING : 11. COMMENTS
| Seven small objects were viewed » bluish colof, Probable meteor shower, A Bolide

In sight for 10 seconds and travelling from which explodes early in flight is ;

NW to Sk in a straight line.Disapoeared over known to give appearance of objegts

the horizon. Did not change position, in formation,

ATIC FORM 329 (REV 26 SEP 52) |
. rl ) ¢ .
3 1
i Es ss NE i tsa Rb CoA pr i |

- i i i EN
/ 4

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Source: National Archives Catalog · NAID 28987471

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