PROJECT BLUE BOOK

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PROJECT 10073 RECORD CARD

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1. DATE ° [ “LOCATION

——_—_ oe ee oorn— OO se.

| 12. CONCLUSIONS

< * . . ‘ WwW
Ll Oct 1951 Minneapolis, Minnesota . Pschobly Bellen
3. DATE-TIME GROUP 4. TYPE Of OBSERVATION OD Possibly Bolloon
Locet __0239 YX Ground. Vi sual © Ground-Rodor OD Was Aiscroft
near i QQ Probably Aircroft
GMT 111.2302 2 Aim Visual D Air-Intereept Redar |9 Possibly Aircroft
“Cree SOURCE 0 Wos Astronomicol
0 Yes 0D Probobly Astronomical
GO Ne Civilian 0 Possibly Astronomicol
TT! ah ha '
7. LENGTH OF OBSERVATION 9, NUMBER OF OBJECTS | 9. COURSE © Other UN TUL PIED
. 0 Insufficient Date for Evaluation
5 minutes Go Unknown

Multiple (3)

Manuevered

10, BRIEF SUMMARY OF SICHTING 11. COMMENTS

Ovserved from A/C et 10,000 ft. Brightly
slowing object. Moving from E to W at high
speed, At high altitude. Moved at spced of

5 degree per second, Halo with dark undersurfde

and slowed dowm and began climb in a lazy
circles, with pattern like leaf falling. Did
this for couple minutes. Watch for 5 min. A
number of these objects observed from ground,

ATIC FORM 329 (REV 26 SEP 52)

UNIOMNTTFICD. When observers contacted
airport, tried to track with thecdolite
but couldn't because objects moving too
e fast. Also observed again two hours
later. No vapor trails, Sneke gray
color. No reflection from object.

’ }

AF FORM !!2---parr !!

a ARE INE pe 9 9
“(Clasel fication) wNC
AIR IRTELLIGENCE INFORMATION REPORT
From (Agency) Report Ko. rs
We. SnbCLL ss L33rd | iw
St. Minnesnta anf aa -" Page 2 of Pages

Sightine of Flying Saucers (contd, )

3. The object acted exactly *s if under definitely controlled flirht,
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mT = Fe ¢ a a ~~ at ian .
APPHOVSDS GERHARD P. KASKS ema
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‘ eee USA
4 Intelligence Officer
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a

hOB! ay L. PETIT
Col, USAF
“we. Executive Officer

pow NGRADED AT 8 YEAR INTERVALS

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bytes )
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WANS Sit WED ) AFTER 12 YE ARS.
DOD DIR 5200.10

Se - mong hiceeee. « ieee

— -——_——

NOTE: ‘his document contains information affecting the national dofense of the United States within the
meaning of the Espionage Act, 50 U.S.C.---- 3) and 32, as amended. Its transmission or the reve-

lation of its contents In any manner to an unauthorized parson is prohibited by law. It
be re ‘produced in whole or in part, by other than United States Air Force agencies, except Wy ber
mission of the Director of Intelligence, USAF.

eee re te om eo “3 3 LA
ea a UNCLASSIFIE.

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welt ee SATU fermek,

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as

UNCLASSIFIED
anpentix VII

MINN.APOLIC, (ici. = 11 Yetober 19%)

i er a Se

I, LISS! S°T D1 OF Tce

The only infor:ution avniil:ble on this incifent is a letter quoted blow:

‘TIE; 06230, 11 Oct 51, <MMAy onc I were flying at 10,000 ft. ot
servin; the rreb Lar balloon when I saw a briratly Seta ete rte to the wu. of
University of iUnnesota Airvort, At that tive we were a fev miles north of
se ees ml he: Jing east, I xinted 1% out to ics an! we Loth mace the
followine observation:

‘The object was novine fron cust to vest av a hivri. rate and vers his...

we trded keenine tie shin on a cons stent @ource uni usisy reinf-rein: ee ari of

the winisnield as anoint. ‘the ouject moved sist this ..e:.ber at uboui fc derrees

per second, ‘,

this object was »xeculiar in that it hed what can be described us a nalo
prounl it with a derk undercurfses. It crossed ranpitly anl thea eat Jan
and sturted to clirt in lazy circles slowly, ‘he oattern it ituide wis lice

fellin- onk leaf inverted, It went throu eh’ these gyrations for a courle sis tes

end then with a very ravid acecclerution disappeared to tne cast. This oiject,
‘Dick and I watched for ap-roximiely five nin.tes.

"I don't know how to descrite its size, because at tie tine I ciin't have
the balloon in sirht for a counerison,

"Shortly after this we saw anothcr one, but this one didn't hane around,
It avcroached fron the west ani disanveered to the eact, ncither one leavin
eny trece of vanor trail.

‘then I saw the second one I celled our traucins stution at the Ll. of!

Airvcort and the observers there on the theodolit manajyed to ret rlincses of

a muiber of the::, tut couldn't keen the theodolite coin, fest enouph to xeen then

in the ficld of the ir instruments. Loth bour Sith ani sick worian caught elinnse S

of these objects in the theodolite nfter I notivied then of their presence by
ratio,"

\
II, ‘tc ASER
Unknown, but cvidently clear.

Ill, STatis OF INT:STIG..cION

Further investization oroluce? no adcitional infor: ation as to the L entity
of the object, “The theojolite ovrator was jate ‘rrog::ted and stated tnhat he could orly
observe "a tricf tlur for about tvo seconds’. suring his trief obscrvi.tisn, %:

we A =

ject anpeurei to te a smoky prey cirur shaped object. it left no vanor trail an}

* es

reve off no reflection,

All observ.rs were vositive of the followinc fec~s:

17

Shae ba rT» 9o=

ole

Sh: UNCLASSIFIED |

1 gleam. —-

A. The object, theunh var.ely cefinee and blurred, r tadnes a definite share.

B. Yo vanvor tratir, exi.cuct Slasher, or Jot ~ro-ulsion were observe?,

C. The obfect definitely recmei to be controlisd. The sources cre all ex
nerienced envincere with Gener] ‘ills Falloon Yroiccts an? have teen obeerving
all tynes of bnulioons for s-vzrel years,

i a O58 EDT oS ONS

Ylo contlustons cun be mie. <* is sienifiecczrnt howevir, that the sources ca
% )

rraied us very reliatie avi thst tney observes an object vith whic: they vere
ntirely unftaniliar

[

a
—_—

UNCLASSIFIED

18
— ZEN APIO PIN oN mm ee ,

EXTRACT FIOM STATUS REPORT # 3

DATE: 10 Oct 51

TIME (Local): 1010

LOCATION: l‘inneapolis, Minn.

“LENGTH OF TIME OBSERVED: 2 }lin. . 8

SOUND: None

SPEED: High

ALTITUDE: High ° '
HEADING : SE

SOURCE: Palloon Obs,

ACTION OR COMMENTS: Further investigation af both of these incidents nas lead to.
es eo rt lo. II for detatis).

. Lon

no conclusions, The investigation is closed. (See Status heror

DESCRIPTION OF INCIDENT: Round, silver object seen by pilots tracking a balloon.

,

EXTRACT FROM STATUS REPORT # 3

DATE: 11 Oct

TIME (Local): 0430

LOCATION: ilinneapolis, ifinn.

LENGTH OF TINE OBSERVED: Severn] ilinutes-

SOUND: lone |

SPEED: Hirh

ALTITUDE: Hig):

FRADIEG ; Unknown

SOURCE: Balloon Obs,

ACTION OR COMENTS: See Status Revort No, II for details,

DESCRIPTION OF INCIDENT: Hound, silver cb ject seen by pilots tracking balloon and
; by grou) observer toam,.

. a 1 5
h VITEM 22 AMC /RESTRICTE (  @p-234

.¥RCM LT E J. RUPPELT ATIA.-2C | Pg le
| ©O COL WILLIS AFOIN-V/TC . } TE
| a Mt ATIAA-2C/RUPPELT

| SECURITY INFORMATION

REFERENCE CSAF ITEM NR 6, Tk-251, 9

NOVEMBER 1954. SOURCES Or THIS REPORT WIRE.

CHECSED AND ARE EXPERIENCED OBSERVFRS oe
WITH HIGH ALTITUDE RESEARCH BALLOON Tid me ke ee
PROJECT. ATIC IS INVESTIGATING FURTHER, |

FND ITEM 11 AMC /RESTRICTED/

LE ET

CSAP ITEM G/UNCL/ ti: ( ih
Fi] AFOLN-W/TC WILLIS CSAP ITEM 6
THIS INFORMATION WAS REPORTED THROUGH A
FERSONAL LETTER BY I |) REQUES
OMMENT OR EVALUATION. "TIME; 063 0, {1 oct oi
pees ERE FLYING at 10,000 FT. AT, ff y Ft
OSSERVING THE GRAB BAG BALLOON WHEN I SAW
A BRIGHTLY GLOWING OBJECT TO THE S,E, OF 4.
CF Me AIRPORT. AT THAT TINE WE WERE A FEW
HILES NORTH OF (MINNEAPOLIS AND HEADING

“AST. I POINTED IT OUT TO DICK AND WE BOTH

ADE THE FOLLOWING OBSERVATION: |

“THE OBJECT GAS MOVING FROM EAST To wEST. |
AT A HIGH RATE AND VERY HIGH. WE TRIED KEEPING
TiZ SHIP ON A CONSTANT COURSE AND USING REIN- |
FORCING MEMBER OF THE WINDSHIELD AS A POINT,

t

wik OBJECT MOVED PAST THIS MEMBER AT ASOUT

o

DEGREES PER SECOND.
"THIS OBJECT WAS PECULIAR IN THAT IT HAD 4

» et -ef ar ee
WHAT CAN BE DESCRIBED AS A HALO AROUND IT WITH a ay Of #ae
a EFT SRF
A DARK UNDERSURFACE. IT CROSSED RAPIDLY AND RT

>

THEN SLOVED DOWN AND STARTED TO CLIMB IN |
LAZY CIRCLES SLOWLY. THE PATTERN IT MADE WAS |
LIKE A FALLING OAK LEAF INVERTED, IT WENT

THROUGH THESE GYRATIONS FOR A COUPLE MINUTES

fiD THEN WITH A VERY RAPID ACCELERATION DIS-

MPPEARED TO THE EAST. THIS OBJECT, DICK AND I
VATCHED FOR APPROXIMATELY FIVE MINUTES, | | "a ae

~~ ee eee ae ee «6 ee ee

“"y DON’T KNOW HOW TO DESCRIBE ITS SIZE,
FECAUSE AT THE TIME I DIDN'T HAVE THE BALLOON
J SIGHT FOR A COMPARISON.

"SHORTLY AFTER THIS WE SAW ANOTHER ONE,

‘tiLUT THIS ONE DIDN*T HANG AROUND. IT

SPPROACHED FROM THE WEST AND DISAPPEARED TO
THE EAST, NEITHER ONE LEAVING ANY TRACE OF
VAPOR TRAIL.

"JHEN I SAW THE SECOND ONE I CALLED OUR
SRACING STATION AT THE U.OF Me AIRPORT AND THE
OSSERVERS THERE ON THE THEODOLITE MANAGED TO
GET GLIMPSES OF A NUMBER OF THEM, BUT COULDN'T
KEEP THE THEOQDOLITE GOING FAST ENOUGH TO KEEP
THEM IN THE FIELD OF THEIR INSTRUMENTS. BOTH
DOUG SMITH AND DICK DORIAN CAUGHT GLIMPSES OF
THESE OBJECTS IN THE THEODOLITE AFTER I
NOTIFIED THEM OF THEIR PRESENCE BY RADIO,”

END CSAF ITEM S/UNCL/

Pee DIG Latin ry, mf Was 1!
'C-1 CONFIDENTIAL PRIORITY

YM WING INT OFFICER 133 FTR INTCP WG MinnesoTa| as a
TO CO ATIC WP AFB OHIO ut Q°

IN REFERENCE TO YOUR MSG‘. REQUESTED INFO WILL BE

ACCOMPLISHED AS SOON (WHIO 1792) AS POSSIBLE. MR GIR MR

AND MR ARE ALL OUT OF TOWN, CONTACT COULD NOT BE MADE.

- TRIED TO LOCATE A MRedaageiae, ANYONE WITH THIS NAME COULD NOT BE

LOCATED. A REPORT WILL BE SUBMITTED TO YOUR HQS “AS SOON AS THE
PERSONNEL LISTED ABOVE RETURN

NRSL59

-_—

—  —————_-_

coe FF MNCLASSIr Meet (ora |

\ tia ee Ee ee . LENS = jain
AF FORM '!2---pagr t oie ireamt eects ) ely TIC. /

approved ! June 1948 a

(Classification) = |

Report No. %y (Leave Blank) |

Area Reported On
. Seas ts

tile

Date of Report

- ‘ ~~) 19°

Date of information
sd

Evaluation
2 Oct iS 1

' . "
ow w

Propared by (Officer) rine ; ran: Source st oo TAA ty!
Gerkerd ». Kaske, j.ajor, Us ; woe
References (Control number, directive, previous report, etc., as applicable
Atl". : AT —! * +3!

Summary: (Enter concise summary of report. Give significance in final ong-sentance paragraph, List
inclosures at lower left. Begin text of report on AF Form 1!2--Part J1.)

This rerort ‘onplebed 25 reaiested t fr Al LchbePatt . |
Ohio, ata 16 lov 1951, rel Yr slee’ ryo ' Ounel of 0
r he “4 ct e \' Yel it ero eit .J I t nwed\) I ; , *> } iL 45 1 Dy '
in be who a @é observatlon. } re; o7t ;
eri an rs workin: Oz} al: Siti10G Ci 0 od fm i° rf tiwvec ”

Yistridbution by Uriginator

vs $124. 2, CO ATIC Ur APR, O03 Cy «3 General sills air itesesren; vir iy TAde.
Cy #5 CAP, Gy 76 JDC
“QTE: This document contains Information affecting the national defense of tha United States within |
the meaning of the Espionage Act, 50 U.S.C.--3! and 32 as amended. Its transmission or the
revelation of its contents in any manner to an unauthorized person is prohibited by law. It
may not be reproduced in whole or in part by other than United States Air Force agencies, |
except by permission of the Director of Intelligence, ysar,
, - PHOT ATK VET}
= GNCLASSI ="

(Classification)