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Case FileNARA NAID 28963677 · T1206 Roll 24

Project Blue Book Case File

Blue Mound, IllinoisSeptember 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 Blue Mound, Illinois in September 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 24.

Reported location

Blue Mound, Illinois

Date of incident

September 1955

State / country

IL / US

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 24

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
gem PROJECT 10073 RECORD CARD :

1 1. DATE 2. LOCATION 12. CONCLUSIONS

. |17 sep 55 lue Mound, Illinos Oe a ke

| | 3 DATE-TIMEGROUP | 4 TYPE OF OBSERVATION  |° cab Abd ba
Boy Woekhd Ving O Ground-Radar B Pkibr Aca

1 GMT 18/04202 0 AirVisuel O Air-Intercept Radar | 2 Possibly Aircraft =

| 5. PHOTOS » SOURCE XIX Was Astronomical <7),
| O Yes 0 Probably Astronomical

1 2 No civilian 0 Possibly Astronomical

"| 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE 8. OMe ia saa
1 2 hrs, 20 3 min 1 SE to NE a HCL Ly Dota for Evoluation
"io, BRIEF SUMMARY OF SIGHTING 11. COMMENTS

{ Similar to star. Alternated green, blue, red [Positional data not included. Duration &
1 and vhite, very high, seemed to be bobbing up description indicates astro body such

. and down and sideways. as a first magnitude star. ;

: "ATIC FORM 329 (REV 26 SEP 52) F0L

i 7]
/ 4

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Source: National Archives Catalog · NAID 28963677

Connected across the archive

Programs and code names

Project Blue Book

Places

Blue MoundBlue Mound, ILIllinois

Agencies

United States Air Force

Dates

19551955-09-01