PROJECT BLUE BOOK

3. DATE-TIME GROUP 4 TYPE OF OBSERVATION a Possibly Balloon
Local.. Ground-Visual Ground-Radar 0 Was Aircraft
Probably Aircraft
GMT 23/0215Z -23/0210Z AirVisual Air-Intercept Rador 0 Possibly Aircraft
5. PHOTOS b. SOURCE .Was Astronomical Meteor
Yes a Probably Astronomical
No Civilian 0 Possibly Astronomical
7. LENGTH OF OBSERYATION 7. OBSERVATION 8. NUMBER OF OBJECTS 8. NUMBER OF OBJECTS 9. COURSE 0 Other
00 0 Insufficient Data for Evaluation Insufficient Data for Evaluation
3 0 Unknown
secs one falling
TO. BRIEF SUMMARY OF SIGHTING 10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
1. Obj shape of teardrop, described shape of teardrop, described DIt appears both obsrvers saw a DIt appears both obsrvers saw
as size of plate by one observer, fireball. However, unless one
size of rocking chair bv another. or hoth were wrong in estimatin
White- White-r ight green black along en black along the time, there were two objs
ledge. ledge, Short to long tail. long tail. involded. involded.
Sound xplos a thump upon 3)Description is of a fireball 3) Description is of a fireball
limpnet. impnet. Impact Impact a rptd a steam of which has which has penetrated the earth' penetrated the earth'
vapor cloud. por cloud. atmosphere. atmosphere
2. Rnd, greenobj size of baseball
Lakhtahggighbkagintoft diameter second
srghtlng. Brokeinto three objs. Had
green tail. Two sightings l70 nautical
miles aoart.
ATIC FORM 39 (REY 26 SEP 52)

SECURIT SIFICATION
JOINT MESSAGEFORM Unclassified
NS
SPACE BELOW RESERVED FOR COMMUNICATION CENTER
MULTIPLE 21Ma58 18 262
ad
PRECEDENCE TYPE MSG (Check) SYMBOL ACCOUNTING ORIG, OR REFERS TO . CLASSIFICATION
ACTION PRIORITY BOOK MULTI SINGLE TT MSg OIN-6 OF REFERENCE
INFO ROUTINE X AF 28 Feb 58 UNCL
FROM: SPECIAL INSTRUCTIONS
COMDR, ATIC
TO: COMDR, 3lst Air Division, Snelling AFS, Minn. JEVG
INFO: Comdr, 1Oo6th AISS, Ent AFB, Colo. Spgs., Colo. JFD/
Comdr, Det #7, AISS, Snelling AFS, Minn. /Y
UNCLASSIFIED/AFCIN-4E4 5-100/-E
of Lake Pepin, night of 23 Feb 58, stating your Hqs has requested
AISS, Det #7, loO6th AISS Sq to investigate incident, Msg just
received from Hqs lOO6th AISS, in response to AFCIN
status or disposition of detailed report and drawings, indicates
3lst AD made no request to AISS. In order to comply with para 1,
en
request your organization obtain detailed report and data and
forward to ATIc in complianee with para 4a & 4k AFR 200-2,or
that 3lst AD request assistance of local AISS in accordance
with provis ions of para 6c of this Reg. Also, what attempts
made to revover alleged object from lake. DATE TIME
19 1200
Page I of 2 pages MONTH YEAR
MAY 58
SYMBOL SIGNATURE
ARIN-Ehafamis oBolew
TYPED NAME AND (Signatute,  required) TYPED
GEORGE T. GREGORY, CAPT USAF DW.JWCSWO
PHONE 69216 PARGEAE NR. OF PAGES 2
SECURITY CLASSIFICATION BY C. MARKEVICH
Unclassified 1t.
Aagtlst Almialsirativa Officer
D 173 REPLACES DD FORM 173. OCT 49. WHICH WILL BE USED UNTIL EXHAUSTED
1

SECURITY CLASSIFICATICN Unclassined
JOINT MESSAGEFORM - CONTINUATION SHEET
LA:
COMDR, ATIC
ATIC cannot perform analyses and identification of sighting on
or action would violate UFAF rapid identification
of a all UFO's reported.
5--1001-6
COORDINATION:
ACTN-4E  Miley DATE 202ay 57
AFCIN-4E AFCIN-4E HK Hilbe DATE DATE
Colonel Gilbert Colonel Gilbert
E
SYMBOL NR PAGE NR OF PAGES SECURI INITIALS
AFCIN-4E4g 2 Unclassified
2
DD MAY ss 173-1 U. 3. GOVERNMENT PRINTING OFFICE: 1955--352236

-
970
R
707
JOMDR ATIC
HE/COMDR SIST AIR DIV SNELLING AT'S
IDON/CONDR LGOGTH AISS ENT AF3
JEDNG/COMDR DET NR 7 AISS SNELLING AFS 5.26MA438
CLAS TCIN-4E45-1D01-E
YOUR REPORT MSG OIN-S 28 FEB 58 RE INCIDENT
LAKE PEPIN HAS REQUESTED
to S FAIS T. MSG JUST
G96TH ERY AS TO
TUS DICATES
PARA 1
RE DFOS
UES CIR ORGA D PEPORT A: NO DATA AND
WARD HPH- TO ATIC IN COMPLIANCI W.TH PAEA SA & 4B AVH 2DV-2 OR TO ATIC OR
IEDSQ EDSQ 727
REQUEST REQUEST ASISTANCE ASISTANCE OF LOCAL AISS IN ACGORDANCE LOCAL AISS IN ACGORDANCE
REG, ALSO EG, ALSO TEMPTS IPTS
KE. E.
TITICATION ICATION OF SIGHTING ON OF SIGHTING ON
IS OF
PSE IATION
ITL. VIOLATE UFAF POLICY GARDING "RAPID I IDENTIFICATION"
REPORTED.
ZAGZ MAY RJEDSQ

3.He wes sighlting and
toles is
1
is typical

in regard to comleted sighting muary
1958 at Lake isconsin.
2. The UFO report question was submitted under pro-
visions of ATR 20 1954. and 1006th
AISS Squadron wa contacted immediately. After message OIN 6
was submitted, however headquarters was informed by the
AISS that any estigation would have to be directed
ISS. Headovarters CADF was informed
of this, while this organization at its own expense and with
its own transportation went to Leke Pepin and iavestigated all
3. After we ha
a. That ill at the time and the
only individu who to have seen impect of an
object on reliable as an informant.
b. and commereial fishermen at Lake
Pepin could no made
by an object.
c. Lake Penin was covered with ice and which
made operations unfeasible.
d. All other Witness reports indicated that an object,
probably a meteor, fell at approximately the same time, to the
WSW of Minneapolis, exact location unkmown.

other than submission of a verbal report to Headquarters, CADr,
DCS/Intelligence.
FOR I THE COMMANDER:
3 Incls.
1.Rep. of Invest.
(3 originals) IV. A. JOHNSTON
2. Drawing CWO W-2 USAJ
(3 originals) Admin Officer
3.OIN 6
(3 Originals)
1604600 2 JUN 58
CDIDI lst Ind
Headquarters, Central A Air Force
Base, Missouri
TO: Commander, Air Defense Command, ArTN: - ir
Force Base, C Force Base, Co o Spri ings, Col orado
1. The 1. The 3lst Air Division 3lst Air Division complied with the provisions or complied with the provisions or
Paragraph ha Paragraph ha and Lb, AFR and 4b, AFR 200-2 by submitting 200-2 bys submitting a complete initial complete initial
report after making every effort, within their capabilities, to effort, within their cacabilities, to
resolve the sighting. No additional effort resolve the sizhting. No additional effort was directad in compli- was directad in compli-
ance with Paragraph 6a, AFR 200-2.
2. The responsibil tacting the 1006th AISS is
specifically delegated to ATIC paragraph 6c, AFR 200-2.
FOR THE COMMANDER:
J0.d
3 Incla W. VAN PELT
n/c COL, USAP
ADST ADJURANT
2.

I
a call was placed to CADF. Lt. Col. Kelly, CADF Intelligence, called
ort were checked out:
Mr. Mimn. (Eye
Telephone Age - 65 Salesman
Mr Minn. Student of Minn.
Telephone Age - 25
that area. Report of this s trip, along w
and talked to the Desk Sgt. He stated that objects had
INCLS ≠

was made at the Police Station at Lake City, Time was 0945.
The Police Chief stated
1 March 1958 when a Mr called him
as there would be people from the Air Force checking on the report. He
made inquiries as to ports being received there. Answer was
negative.
The Lake City Police Chief then called i the Game Warden for Lake
Lt. Col. Schumacher and myself then proceeded to Maiden Rock, Wisconsin,
She stated
had
her husband
Time was now 1300. Her . last statement
2

She made a t trip along the highway the next
day, but saw nothing.
answers After 1 lunch, at 1430 ) we proceeded to Red Wing and stopped at
the radio station
Capt Neumann had
from the 3lst ADiv Controll who stated that patroman, Harry
who had seen this object. A call was placed to Roberts. His report
follows:
- hours.
Meanwhile, calls were a M
and lepores follow: Time, 1800, 1 Mar 58,
on

SW of Mpl3. (Last sentence answer to question about direction). The
Mrs housewofe, White Bear Lake, Minnesota, telephone
She
called her husband and Object was in sight about 7 to 9 seconds
She report to KSTP radio 2
station.
Mrs.
over and down,
2020-2025, angle was 15 degrees
from 90 degrees for about 3 to 4 seconds, Object disappeared behind houses.

•
•
SQA109 Y YMAOS6TNGAD11S 23FE930 07 03 28 08 56'53 •
PP RJEDDN RJEDKF RJEPHQ
DE RJEDNG 38 - :
1 280091Z ZEX 1-R/F . '
FM CCMDR SIST I ADIV DEF $\r+4$
TO F RJEDDN/COMDR ADC 44×22
RJEDSQ/COMDR ATECHINTELLCEN '
RJEPHQ/DIR INTELL HQUSAF
INFO RJEDKF/COMDR R CADF
T ..
UNCLAS FROM OIN 6 FOB" WhaT s1z4 Rocrer?
DISCRIPTICN ON CEJEET (A) TEAR DROP ANTERIOR TO TAPER (BLOUBOUS) .
-
()(ROBEINSDALE SIGHTING SIZE OF PLATE) (E)(ROBEINSDALE SIGHTING SIZE OF PLATE) LAKE PEPIN SIGHTING, SIZE .'
CF '.
PECTRUM (D) ONE (1 (E) BLACK ALONG EDGE (G) SHORT TAILTO LONG PECTRUM (D) ONE (1 (E) ELACK ALONG EDGE (G) SHORT TAIL TO LONG
TAIL (H) SOUND LIKE AN EXPLOSION WITH A THUMP UPCN IMPACT (I) @
MPACT AREA, LAKE PEPIN REPORTED A STEAM CR VAPOR CLOUD.
o.
•
LAKE 1SO DEGREES FROM MINNEAPOLIS (D) APPEARED TO FALL FROM
•
•
.
.
GE TWO RJEDNG 38
AT 45 DEGREES ANGLE (E) INTO LAKE STEAM AND VAPOR CLOUD (F)
THREE SECONDS. (A) GROUND VISUAL NO TIME
ST AJA

T/Sgt. Manley on 3 March 1953 proceded to the residence of Mr. and
Mrs. For purpose
be a y
large, the fire ball was falling at about 20o angle from the NNW
1

SPECTRUM D)ONE
UPON IMPACT (I)
AT 45 DEGREES ANGLE (B) INTO
SECONDS.
GET OPTICAL 27 24007
LASSES (B)N/A (C) N/A. FEB 58
I
TER C. NEUMANN, CaPt. USAF
348 1 3
INCLSURE #3

31ST ADIV (DEF) SNELLING AFS ST PAUL MINN
BY RECOVERY OF THE OBJECT. MR RDAS BOTH A DRAWING FRCM
HIS OESERVER AT LAKE PEPIN IN ADDITION TO SEVERAL REPCRTS. THIS
CLEAR, AN OBJECT WAS SEEN TO FALL AT LOCATION INDICATED.THIS
OBJECT COULD HAVE
AN ACTUAL SIGHTING OF SCME OBJECT KNCWN CR UNKNOWN. RECOVERY
FROCEDURES SHOULD GIVE AN EXPLANATION AS FROCEDURES SHOULD GIVE AN EXPLANATION AS TO WHAT - WHAT IT WAS. THERE WAS. THERE
12. TAERE IS A DRAWING IN EXSISTANCE 12. THERE IS A DRAWING IN EXSISTANCE AND CRTS FROM THE
ASTRONCMY CLUB MEMEERS. ASTRONCMY CLUB MEMEERS.
OIN 3 3 UNCLASS
l

WISCONSIN MEMBER
7. WEATHER.
(B) SURFACE WIND UP TO 1 OUT OF THE SOI EST. WEST.
ALTITUDE DIRECTION VELOCITY
17 6,000 300 25
10,000 300
16,000 320 320
20,000 320
30,000 330
50,000 50,000 330
80,000 340
(C)NONE. C) NONE.
(D) 10 MILES.
3)SCATTERED HIGH THIN CIRRUS (F) N/A
3. x/A.
9. /A.
10. N/A.
11. Aasistant DIRECTCR OF INTELLIGENCE 31ST AR DIVISION, MR
PEPIN, WISCONSIN
CIN "2 3 lie

LOCHITON 1
) LAKE PEPIN, WISCONSIN. 6. NFORMATION ON OBSERVERS. (A) CIVILIAN
S
ESIDENT JUNIOR ASTRONOMY CI CLUB. CIVILIAN (SEE COMMENT NRI) LAKE
PIN, WISCONSIN MEMBER OF ASTRONOMY CLUP AGE 65. 7. WEATHER.
(A) CLEAR VITH A QUARTER MOON PRESENT. (B) WIND UP TO 16
MCTS OUT OF THE SOUTH-SOUTH-WEST. ooo..
ALTITUDE DIRECTION VELOCITY
300 25
1,009 300 35
16,600 320 45
.
28,200 320 45
30,900 330 45 .
0,900 P,900 330 55
,090 15 . .
343
(0) (C) NONE. 3
a
.
.
. •
AGE THREE RJEDNG 38
)19 MILES.
) SCATTRED HIGH THIN CIRRUS F)N/A
N/A ''
NA
N/A
ASSISTANT DIRECTOR OF INTELLIGENCE 3IST AIR DIVISION , MR •
RK SIEGMUND WAS CONTACTED AND AFTER OBTAINING G ABOVE INFORMATION
27 573.I CONCLUDED THAT SOME

HAS BOTH A DRAWING FROM
INCLUDES A LIST OF WITNESSES WHO APPARENTLY PELONG TOO THE
.
ASTRONCMY CLUB. MY PRELIMINARY ANALYSIS WAS THAT THE WEATHER R WAS
CLEAR, AND OBJECT WAS SEEN TO FALL AT LOCATION INDICATED. THIS
OPJECT COULD HAVE BEEN A METEORITE OR SOME OTHER OBJECT PUT INTO •
THE SKY BY MAN. THE AISS DET 72 1006TH SC ADRON LOCATED AT.
INNEAPOLIS HAS BEEN
DRAWING I WOULD STATE THAT THIS IS
AN ACTUAL SIGHTING OF SOME OBJECT KNOWN OR UNKNOWN. RECOVERY es..
PROCEDURES SHOULD GIVE AN EXPLA ANATION N AS TO WHAT IT WAS. THERE
Note Note .
• •
= -
PAGE FOUR RJEDNG 38 .
HAS EEEN NO RECOVERY PRCCEDURES STARTED.
12. T THERE IS A DRAWING IN EXSISTANCE REPORTS ROM THE .
ASTRONCMY MEMBERS. .
T =
L/8001Z FEB RJEDNG .
.
.
.
.

THO RJED
SICATR3)
O
D NEOATIVE
1O MEGATIVE O
COURSE OF ODJEOT
() OLSERVED WHILE I DRIVILS CAR (ELILDED SECOND_OSSEBVER) •
(E) IEGATIVE .
WEIT BEHILD NILL-STRAIGHT DOWL
) HEADING WEST SOUTH IWEST
(0 SAME AS 2. (C) ABOVE •
( RO-THRAE SECONDS SECONDSD
: HAMIER OF OBSERVATION: OF OBSERVATION: •
HAMER
) GROUND-VISUAL GROUND-VISUAL
TAISD TASD EYE EYE
(O) NZA (O) N7A
. TIE A.D DATE OF SIGHTLLG . THE AD DATE OF SIGHTILG 0210-6=2010 0210-6= L010 . ©
25/2102 (INTIAL SIGHTING)-13/:2EEZ (SECOND S1SUTING)
MIST 020 .
ECC435 CINITIAL S1GNT1:G)-7KLO 254S (SE0OND S16HTING) •
C1V1LIAL- TSSIACITIAL
•
0
E I RJ2MO 1
MED

'Hulu AS!
FEB 23 09 06'58
.
34X0
C
RA-10 E
SCAL26 YMBO 12TT1GAL192 C
RA RJETEN RURISO RJEPHC
C
DE RJEDIG 1
R 2307322
FN CONDR 3IST ADIV DEF
TO RJEDDN/COMDR TO RJEDDN/COMER ADO ADC
JEDSO/CONDR AIR ONNICAL INTELLIGEN CE ONNICAL INTELLIGENCE CENTER C C
RJEFHC/DIRECTOR RJEFHC/DIREC TOR oF INTELLIGENCE KOCR USAF OF INTELLICENCE KCR USAF 8
ET
UNCLAS OCO UNCLAS OCO 43 (OIN 0 43 (OIN C
UFOE UFOE
1. DESCRIFTION OF OBJEOTS
(ALOUND
SIGHTLG)
2Charaderialie o Siribe
D)(1IT S1EH) (ROE 1NTO THIED(SECOME
SIGHTILS O
(I) IEGATIVE
C
C

(D) HIH RORKEN-(IMITIAL OESERVER)- CLEAR (SECOND OBSERYED)
SURFACB VINDS @DAr 15-2 MIS. . .
2/3
290740
31./50
33.798
33.765
in 330/55
) SAME AS T. (A) ABOVE
(0) 15 MILES t •
(2) SAME AS 7. (A) ABOVE •
() M/A
NEGATIVE .
NONE •
LEGATIVE
CONTROLLER (ADCC)- PROBABLY A FALLING METEOR .
NONE ::
•
2th aienve afirebal.
.
.
E5TTO (-1r0b411)
GE FOUR RJEDNG 1 .
ARKS ABOVE INFORMATION IS A CONSOLIDATION OF THO SIGHTINGS AND IS .
BITTES IUE TO THE CLOSE TI.E INTERVAL OT SIGHTINGS (AT- MAUIICAL
LESARAEDLS AND CO:FARATIVE DISCRIPTIOL.S.
735Z 125 MJESNG
©

I
Det #7, l006th AISS was to conduct investigation and obtain
In as much as
8 T .
that we conclude case. In reyl that we conclude case. In reyly refer to AFCIN-4E4 and cite CIN-4E4 and cite
above incident.
COORDINATION:
AFCIN-424 he.Miley DATS 92a 55
Dr. Miley
Hkhille DATE 9 May 5 8
AFCIN-4E_
Col. Gilbert
DATE 9 TIME 1500
MONTH YEAR
MAY 58
SYMBOL SIGN
AFCIN-4E4g
TL (Sigwaspre if rgnines) TYPED (OSAMEN NAME AND TITL
JAMES O. BOLIEU, T/SGT, USAF WALLACECELWEOD
30-|-un PHONE 6-9216 1 NR. OF OEW.JC Captain, USAr
PAGES Assistant Administrative Offleer
SZCURITY CLASSIFICATION
REPLACES WILL BE USED UNTIL EXHAUSTED

1X56 @
Wvl 05095
'CF551 T0A298DNE051 .
RJEDNG RJEDSO
II AJEDDN 190 _
1322303
CONDR 1006TH AISS
RJEDSQ/COMDR ATIC 9.
FO RJEDI - T
HIOLAS/FRON AINOP 169 PD FOR AFCIN-4E4 PD REFERENCE YCURMESSAGE HOLAS/FRON AINOP 169 PD FOR AFCIN-4E4 PD REFERENCE YOMRUESSAGE
FOIN-4EA S-919-E_CNMI 12 MAY 1958 CNM SUBJ CLN UFO INCIDENT CIN-4EA S-919-E_ONM 12 MAY 1958 CNM SUBJ CLN UFO INCIDENT -
OT LAKE PEPIN CHMT WISCONSIN AND ROBBINDALE AT LAKE PEPIN CMNT WISCONSIN AND ROBBINDALE E CMI MIMESOTA CM CMI MIMESOTA CM
FEB 58 PD A CHECK VITH THE CONDR CNN DET 7 CMM 1OOCTH FEB 58 PD A CHECK WITH THE CONDR CMN DET 7 CIM 1OOCTH
ISS INDICATES THAT THE D/I 3IST
PAREN MADE 1OOGTH AISS ASSISTANCE PD END
70222 MAY RJEDON
5-1001-E
.
X
•
.
3
01 C - n -'