E of Lake Kosh, Konona, Wisc., December 1957December 1957

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 E of Lake Kosh, Konona, Wisc., December 1957 in December 1957. 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 31.

Reported location

E of Lake Kosh, Konona, Wisc., December 1957

Date of incident

December 1957

State / country

? / XX

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 31

Original case file scans

Original case file · scanned by NARAPage 1 of 4

Transcribed text

TPES) PROJECT 10073 RECORD CARD ; PF
DATE 2. LOCATION 12. CONCLUSIONS ERI
| O Wos Balloon
10 December 1957 E of Lake Kosh, Konona, Wisc, [BX erably pdligen
3. DATE-TIME GROUP 4 TYPE OF OBSERVATION SE AKEbsiRly Rallzon ©
ip 1 dimen ORS EAN EROSEO NASR TN 0 Ground- Visual O Ground-Radar 8 Lisa Ee
GMT O Air Visual DO Air-Intercept Radar O Possibly Aircraft
S. PHOTOS » SOUR O Was Astronomical
O Yea O Probably Astronomical
&EXo deh Police Officer 5h) RORAinly Asfonemisos |
o 9. | A RS MS i ee | i
fr. CERO QF SRTERE ATION 2 NVMRER OF ARIRELS in 8 insuliieron Data for Evaluation |
30 minutes one hovering ie ¢
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
One object, round, color yellowish, Balloon released from La Grosse
light kept flashing on and off, WX at 1200 midaight, Winds approx
40-45 MPH, Distance to observer
approx 110 miles, This should to
bring balloon over the area at
time of sighting,
ATIC FORM 329 (REV 26 SEP 52) ¢
| /
fl] ’ #  ]
; SR a ss da Ee SAI ELE TN ERA FE RR HT bara dt g

/ 4

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Source: National Archives Catalog · NAID 28975981

Connected across the archive

Agencies

United States Air Force

Dates

1957 1957-12-01