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Case FileNARA NAID 28978334 · T1206 Roll 33

Project Blue Book Case File

Denver, ColoradoMay 1958

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 Denver, Colorado in May 1958. 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 33.

Reported location

Denver, Colorado

Date of incident

May 1958

State / country

CO / US

Page count

4 scanned pages

USAF evaluation

unidentified

Microfilm

T1206, Roll 33

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
RUN ll lB a Cid IN ts i Lt sn ad Le ef ae mB dae iil i sail SSL iE SL EE Ll LS fe fa eS a AL LE RS a tl Seb ME LEE CE
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~ PROJECT 10073 RECORD CARD FE |
1. DATE 2. LOCATION 12. CONLUSIONS aN
: O Was Balloon : |
27 May 58 Denver, Colorado a art +14 7 sori |
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION WAPINLY move
i b 0 Was Aircraft
FUE RNGRE. 2 RR a & Rround- Visual O Ground-Radar a Probably Aircraft
GMT 06572 0 Air Visual O Air-Intercept Radar O Possibly Aircraft
5. PHOTOS . E ¥X Was Astronomical Meteor | |
OVYes : O Probably Astronomical
MKNo : Civilian . O Possibly Astronomical
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE BE I i isionns § |
O Insufficient Data for Evaluation
0 Unknown
10 to 12 secs one not given
10. BRIEF SUMMARY OF SIGHTING : 11. COMMENTS
A rnd obj, size of a pea at arms 'Objs has characteristics of me-
{1length, orange to bluish green in teor including tail, Case
color, w/a tail was sighted 45 degrees evaluated as a meteor sighting
above gorizon, Appeared to burn out,
"ATIC FORM 329 (REV 26 SEP 52)
||
»
b. 01000 0 M590 E55 0 01 RA Si Rr bd Ly J : |
fees Yb RE eed ; ! g y vy TR ATR ER Foc TAR Tig 2) HOR TPA ee YR 1 A
/ 4

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Source: National Archives Catalog · NAID 28978334

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