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Case FileNARA NAID 28968942 · T1206 Roll 27

Project Blue Book Case File

10 Mi S Of Ottumwa, IowaFebruary 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 10 Mi S Of Ottumwa, Iowa in February 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 27.

Reported location

10 Mi S Of Ottumwa, Iowa

Date of incident

February 1957

State / country

IA / US

Page count

4 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 27

Original case file scans

Original case file · scanned by NARAPage 1 of 4
Transcribed text
: ‘
le PROJECT 10073 RECORD CARD |
: i ! : ‘ |
1 % DATE 2. LOCATION 12.. CONCLUSIONS | :
f i % D Wos Bolloon |
12 Februaty 1957 10 Mi S of Ottumwa, Iowa BX Probobly Ballcon
[> oateTimE GROUP Z TYPE OF OBSERVATION 1 Eesdisy Beiten |
i ees EE 2100 0 Ground-Visval .0 Ground-Rador 8 Pesbatly Airerefs |
SE 13/030 Air Visual Ali rent Rage: 1D Tanaisly Mleerdle
bi 5. PHOTOS. i 8. SOURCE : J Was Astronomicol i
| far 0 Yes O Probably Astronomical
EE . XNo Civilian Airlines O Possibly Astronomical |
| [7 LENGTH OF OBSERVATION " NUMBER OF OBJECTS § COURSE CI | EE GC ERY |
; Nig : ; | O insufficient Dato for Evaluation
bs fa $i 0 Unknown
a 5-6 minutes one appeared to : Wa ree
a " BRIEF SUMMARY OF SIGHTING 11. COMMENTS | |
“fac ‘almost collided with round, white | WX balloon station located at i |
H object size of basketball at 7000 ft, Des Moines, lowa, UFO reported |
HB HE SE, and almost exact bearing
E | : (310-320) from this statbn. !
g Wind directions at UFO altitude i
a (310) almost coincide, ALC
| dort i ‘undoubtedly came across balloon.
* ATIC FORM 329 (REV 26 SEP 52)
CHEN
3 ).-. ii g . .
/ 4

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Source: National Archives Catalog · NAID 28968942

Connected across the archive

Programs and code names

Project Blue Book

Places

10 Mi S Of Ottumwa10 Mi S Of Ottumwa, IAIowa

Agencies

United States Air Force

Dates

19571957-02-01

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