PROJECT BLUE BOOK

.
P
PROJECT 10073 RECORD CARD
1. DATE 2 LOCATION
12. CONCLUSIONS
25 Sep 61 Detroit Lakes, Minnesota 0 Was Balloon
3. 0 Probably Balloon
14 TYPE OF OBSERVATION 0 Passibly Balloon
Local Ground-Visual
260018 Ground-Radar 000 Was Aircraft
GMT. AirVisual Probably Aircraft
5. PHOTOS 6. Air-Intercept Radar Possibly Aircraft
Yes SOURCE 0
D Was Astronomical
O No Civilion D Probably Astronomical
7. LENGTH OF OBSERVATION 7. LENGTH OF OBSERVATION Possibly Astronomical sibly Astronomical Itrudls
8. NUMBER OF OBJECTS NUMBER OBJECTS 9. COURSE COURSE Other Prot Phror conion
3 000 Insufficient Data for Evaluation Insufficient Data for Evaluation
Unknown
10. BRIEF SUMMARY OF SIGHTING r001 0615. b10 r0111 0015,01
. 11. COMMENTS vrotaotgconiensation coniensation
a0 moko mnoko truiling truillng L41 ni
F ning -a. Hed. Plex ring /e, We probahly probahly
ack i. . int Chis iccounted thig accounted
for ppeurange, Red color dan
be attributed to atmonpharie refransion edi be attributed to atmospharic refracsion adi
asrociuted Mffusoion. Fact that Jet asrociuted Mffussion. Fact that Jet
W/o were known to be in sree tends to W/o were lnown to be in sree tends to
subatantinte this conalu:ion.
ATIC FORM 329

! DEPARTMENT' OF THE AIR FORCE ¸
STAFF MESSAGE BRANCH UNCLASSIFIED MESSAGE -
IN: 813 (26 Sp  CON G
ACTION : CIN-17 0/
INFO : s SAFS-3, 00P-CP-1, 00P-2 -24-
SMB C 125
TCZCHQB064ZCYJA633
PP RJEZHQ
C
DE RJEDAF I
ZNR
P 261000Z
FM GRADS GRAND FORKS AFB NDAK
TO RJWFAL/ADC ENT AFB COLO
RJWFKF/29ADIV RICHARD GEBAUR AFB MO
RJEDSQ/ATIC WP AFB OHIO
RJEZHQ/HQ USAF WASHDC RJEZHQ7HQ USAF WAShDC
RJEZHQ/SEC AF WASHDC WASHDC
BT
UNCLAS FROM GFOIN 1107. UNCLAS FROM GFOIN 1107.
ADC ATTN ADOIN; 29ADIV ATTN 290IN; ATIC ATTN INTELL OFF; HQS
USAF ATTN AFCIN; SECRETARY OF THE AIR FORCE ATTN SAFIS. SUBJ:
UFO. THIS IS A U UFO. THIS IS A UFO REPORT SUBMITTED SUBMITTED ACCORDANCE WITH PARA 15 CCORDANCE WITH PARA 15
AFR 200-2.
A.DESCRIPTION OF OBJECT:
(1)ROUND
(2) DIME AT ARM'S LENGTH
(3) BLACK, TURNING TO RED GLOW
(4) ONE
IN

- DEPARTMENT C. THE AIR FORCE 1
STAFF MESSAGE BRANCH UNCLASSIFIED MESSAGE
AF IN 8813 (26 Sep 61) page 2 of 4
PAGE TWO RJEDAF I
(5) N/A
(6) NONE
(7) BLACK SMOKE TRAILED THREE INCHES AT ARM'S LENGTH.
(8) NONE
(9) NONE
B. DESCRIPTION OF COURSE OF OBJECT:
(1) WHILE DRIVING AUTOMOBILE
(2) 20 T0 30 DEGREES IN ELEVA DEGREES AZIMUTH
(3) SAME AS B (2)
(4) SEEMED TO MOVE TOWARD SE AND GAIN A LITTLE ALTITUDE.
(5) COMPARED TO THE TURNING OUT OF A LIGHT WITH A RHEOSTAT. (5) COMPARED TO THE TURNING OUT OF A LIGHT WITH A RHEOSTAT.
(6) SIGHTED TWICE: 1 1/2 2 MINUTES EACH TIME.
C. MANNER OF OBSERVATION
(1 GROUND VISUAL (1) GROUND VISUAL
(2) NONE (2) NONE
(3) N/A (3)N/A
D. TIME AND DATE OF SIGHTING
(1) 260018Z
(2) DUSK, JUST BEFORE SUNSET
E. LOCATION OF OBSERVER: .
7
T
C

( DEPARYMENF . HE AIR FORCE
STAFF MESSAGE BRANCH
UNCLASSIFIED MESSAGE
INCO
AF IN : 8813 (26 Sep 61) page 3 of 4
PAGE THREE RJEDAF 1
(1) FOUR MILES SE OF DETROIT LAKES, MINNESOTA: 46 DEGREES 44'N
95 DEGREES 45'W
F. IDENTIFYING INFORMATION OF OBSERVER
MR. P, TREET, GRAND FORKS N. DAKOTA,
AGE 29, A FORMER JET MECHANIC OUBT ACITY.
G. WEATHER AND WINDS
(1) CLEAR EXCEPT FOR CLOUDS WEST AT
10,000 FEET.
(2) DET 2, 29TH WEATHER SQUADRON GRAND FORKS AIR NDAK.
SURFACE - 180/10 SURFACE - 180/10 "
6,000 210/30
10,000 240/25
16,000 240/30
20,000 240/30
30,000 240/45
50,000 250/40
80,000 240/20
3UNLIMITED
(4) 15 PLUS -
(5) ZERO

DEPARTMENT" THE AIR FORCE (
STAFF MESSAGE BRANCH -
UNCLASSIFIED MESSAGE
INCON N G
AFIN : 8813 (26 Sep 61) page 4 of 4
PAGE FOUR RJEDAF1 -
(6) NONE
(7) 2 DEGREES F/100 MILES
H. NONE
I. NONE
J. ONE DC-8 REPORTED AT 26/0000Z; ONE DC-8 REPORTED AT 26/0010Z
TWO B-52 REPORTED AT 26/0027Z IN GENERAL AREA BY DULUTH AIR
DEFENSE SECTOR, IDENTIFICATION SECTION OF SAGE. BALLONS WERE
RELEASED IN THIS AREA DURING THIS PERIOD.
K. INTELLIGENCE OFFICER, GRAND FORKS AIR DEFENSE GRAND
FORKS AIR FORCE BASE, N. DAKOTA
PRELIMINARY INVESTIGATION REVEALS NO EXPLANATION FOR THIS SIGHTING. PRELIMINARY INVESTIGATION REVEALS NC O EXPLANATION FOR THIS SIGHTING.
NO UNUSUAL OBJECTS WERE DETECTED D NO UNUSUAL OBJECTS WERE DETECTED DURING PERIOD PERIO THE E GRAND GRAND
FORKS AIR DEFENSE SECTOR.
THIS INVESTIGATION INCLUDED TELEPHONIC I THIS INVESTIGATION INCLUDED TELEPHONIC INTERVIEW WITH ONE WITNESS, INTERVIEW WITH ONE WITNESS,
CONSULATION WITH DETACHMENT 2 OF THE 29TH WEATHER SQUADRON,
FAA TOWER OPERATOR IN GRAND FORKS, TOWER OPERATORS AT GRAND FORKS FAA TOWER OPERATOR IN GRAND FORKS, TOWER OPERATORS GRAND FORKS
AIR FORCE BASE AND FARGO N. DAKOTA. THE REPORT WAS PROMPTED BY
ANOTHER UNUSUAL L SIGHTING REPORTED OVER LOCAL TV STATION
4 .
L. NONE
BT
26/1012Z SEP RJEDAF