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Case FileNARA NAID 28977619 · T1206 Roll 32

Project Blue Book Case File

4 Mi NE of Shelby, IowaApril 1958

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 4 Mi NE of Shelby, Iowa in April 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 32.

Reported location

4 Mi NE of Shelby, Iowa

Date of incident

April 1958

State / country

IA / US

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 32

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
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1. DATE i 2. LOCATION 12, COMCLUSIONS
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£ nels hae {ite SEE ; Aten TR ¥ yu 0 {0 Probably Balloon
4 RI)1 oe] | ¢ i IY [0 jp ie 9 620 53 SN Rall SRR 47 2 SER Bre SI CT Neh Sia
& eee VDE AF OBSERVATION | Possibly Balloon
i 2, DATE-TIME GROUP l 4. TYPE OF OBSERVATION i i
5 | ane d- Vi | 0} (@ | Bad | 01 Was Aircreft |
4 col ~EN X -Visual 1 Groaund-Raadar | ¥ ER :
3 Locol meee eee —— | ), Groun 15h 7 Bw! Probably Aircrof? i
3 Fi ! 5 | 0 Possibly Aircrof
& GMT not given atl 0 Air-Visuol 0 Air-Intercept Radar | Possibly ha
is eee I a |
& 5 PHOTOS be Lie 6. SOURCE 10 Was Astronomical
Bo ; 0 Yes: YHYSiCA I | 8 Probably Astronomical
& akg CRESS NCAR By BE : 1 C Possibl Asrronomi
fle Specim nN Ci ban |B Possibly Astronomical |
Ne —e eee TT NTR ED ET TR To Tr CO RETIRE ARSE EE Re A evap Ee 1
4 7. LENGTH OF C3SERVATION | 8. NUMBER OF OBJECTS | 9. COURSE hE Other layer ire enn im ns ws
= + H b | { 0] ££ 3 . f E |
A 0 Insufficient Data for Evaluation
on eT iter) {1 Unknown
4 N/A / A | [A
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£ 10. BRIEF SUMMARY OF SIGHTING i COMMENTS
4 Metal filings & strips were recov >1red | Found to be chaff used by SAC
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Source: National Archives Catalog · NAID 28977619

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