DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE6786202
DATE OF SIGHTINGJune 1956
REPORTED LOCATIONSibley Iowa
FRAMES4

Machine transcription · mean legibility 51.4/100 · engines: tesseract-200dpi

Transcribed Frames

FRAME 001 / 004tesseract-200dpi
1. DATE

PROJECT 10073 RECORD CARD

2. LOCATION

CONCLUSIONS

| 0 Was Balloon
) June 1956 | Sibley, Iowa OD Probably Balloon
ie o Possibly Balloon
3. DATE-TIME GROUP | 4. TYPE OF OBSERVATION

pene Aircroft
Probably Aircroft
Possibly Aircraft

Loca! —___ ee ee eee LxGround- Visual D Ground-Redar
GMT. 01720252 D Air Visuc! O Air-intercept Radar
5. PHOTOS 15. SOURCE
CO Yes
_x&XNo- Civilian

Was Astronomical
Probobly Astronomical
Possibly Astronomicol

os
'

Light brown
be moving
speed,

in color,

north ata sl

ATIC FORM 329 (REV 25 SEP 52)

appeared

mn
as

t
OW rate 9

"J. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE , Other eens
Insufficient Data for Evaluotion
three minutes one | north 0 Unknown
ig. BRIEF SUMMARY OF SIGHTING 11. COMMENTS ai ee
One cylindrical object, size of a Evaluation as a/c based on dura-
basketball held at arms length, tion and flight. Nothing indi-

cating object other than a/c,
FRAME 002 / 004POOR LEGIBILITY — PENDING RE-EXAMINATION
(no machine-readable text on this frame)
FRAME 003 / 004POOR LEGIBILITY — PENDING RE-EXAMINATION
(no machine-readable text on this frame)
FRAME 004 / 004POOR LEGIBILITY — PENDING RE-EXAMINATION
Seal leach eh a pan teeetae rane tenteeeeteae dmnacineed ini Eh aeeere bticel lL amhieeion fet tel Linen

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Dade et wid D's J iia ld ‘

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