PROJECT BLUE BOOK

3."
PROJECT 10073 RECORD CARD
1. DATE 2 LOCATION 12. CONCLUSIONS.
11 Jul 60 20 mi W of Williston, North Dakot Was Balloon
Probably Balloon
3. DATE-TIME GROUP 4o TYPE OF OBSERVATION D Possibly Balloon
Local ¤ Ground-Visual Ground-Redar Was Alcraft
000 Probably Aircraft
GMT_ 12/05052 AlrVisual Air-intereept Rader Possibly Aireraft
5. PHOTOS 5. PHOTOS SOURCE Was Astronomical Was Astronomieal
Yes 00O 000 Probably Astronomical Probably Astronomieal
No Civilian Civilian Possibly Astronomical
7. LENGTH OF.OBSERVATION LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS NUMBER OF OBJECTS 9. 9. COURSE Othe,Conflicting Info_ OtherConflicting Info_
00 Insufficient Data for Evgluation
15 min four SW Unknown Unknown
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
Four objects, two large and two small, forma- Four objects, two large and two small, forma- Report categorized as contradictory Report categorized as contradictory
tion was diamond shape, but underwent constant tion was diamond shape, but nderwent constant information. ritr therefty Ar5 information.litr therefty Ars
changes in a graceful manner. Objects were very MineTe dND Siey uteN ht
brilliant, making shape or size or color diffi- ESTMATEO T BC1SZlPN, 4CT
cult to ascertain. Objects were motionless when
first seen, hovering for aprox 15 min, then hECnsELE SPECydN Leanti
proceeding from N to SW at aprox 150 mph. 2E62L7S.
ATIC FORM 329 (REV 26 SEP 52)

42,000 703 FDTTAL.
THEME WERE S
NOTIFICATION AVOTA AT 23027 2477- LOCAL
TI'E ALSO REROPTED
H. THERE WEPE INUSUAL DEDODTED
PY THE
I. THERE WERE NO INTERCEPTION MADE OSFDVERS
HE APEA.
V. OFFICER OF DAY MINOT AFR NOPTH DAVOTA. COMMENTS PELOW
L. NEGATIVE.
PACE FIVE REWFI
-AR 17 COMNENTS:
THE APOVE IN VER DIRING
TOUR OF DUTY
THE OPSERVE
TING
THE INCIDENT PED IARDED IN OPDANCE
WITH AFP 29C-2 ITLED OF urO
PT PT
12/98547 JWL PJWPVA 12/8547 JUL PWFVA
Il
.y!

- PDENT. AND CAVF A
VERY DETAILED AND EXPLICIT T
C. WINDS ALOFT AND WEATHED AT TIME OF SIGHTING.
1. . O-SEPVERS DESCRIPTION OF WEAT OPSEPVERS DESCRI OF WEATHEP WAS MA NDER STO ACTIVITY UITY
IN SOUTH WEST WITH LOW CLOUD FO IN SOUTH WEST WITH LOW CLOUD
2. REPORT FROM REPORT TAFD WAS AS FOLLOWS. AS FOLLOWS.
AREA OF SICI AREA OF SICH WEATHED TATHED
REPORTING STATION NEAPEST REPORTING SIGHT OF INCIDENT,, OF INC
PAGE FOUR RJVT"A 1
6000 FEET AT 15" DEGREE AT 5 VNOTS
1,10 0 1,200 FEET AT 27 DEGREE AT FEET AT 27 DEGREE AT 1ZVNOTS
16,300 FEET AT 36C DEGREE AT FEET AT PEE AT 15WNOTS 15WOTS
20,200 FEET AT FEET AT 287 DEGPEE AT 25"NOTS 25'NOTS
30,000 30,200 FEET AT 277 DEGPEF AT A.T 45VNOTS 45KNOTS
50,900 50,900 FEET AT 270 FEET AT 270 DEGPEE AT AT 2OVNOTS
20,000 F FEET "N"
WILLISTON WEATHER AT 23007 !OURS .57 CLOU'D C PA TUS AND
LICHTING CLOUD TO CLOID TO GROUNE SOUTH NORTH
WEST TEKPEPTURE GPADIENT SUPFACE

1. ORSERVER FIPSTNO TICED RILLIAN ON WHILE
PROCEEDING TOWARD THE NOPTH ONTANA.
2 ORSERVER STATED THAT O"JECTS WERE M
ITES
THAN PROCEEDED FR THAN PRC TION. O
4. UFO WERE CONSANTLY UFO WER CHANGIN ONS
5. ORJECTS D 5. ORJECTS PPOC CEEDED FRON NOPTH TH AT
APPROXIMATE 150 APPROXIMATE 150 PEP HOUP
6. THE OPJECTS WERE 6. THE OPJECTS VERE CLEAPLY FOR FOR ADDOX"ATELY FIFTFEN FIFTFEN
MINUTES
C. MANNE TION.
1. NAN VAS IDCED ORJECTS.
2. NO COTICAL UTILIZED
PAGE THPEE RJWEKA 1 PAGE THPEE RJWFKA 1
3.M/A N/A
D. TIME AND DATING OF SIGHTING.
1. 111157 120 5057
C. O"SERVE CTS COULD EY LAIYLY SEEN CNODYAL NIGHT-
CONTITIONS.)
-

C7CSCA9997CWVA794 -
I P PJEDSO
1960 JUL 12 10 44
DE RJNFVA I
P 1308007 7EX 4E2
FN 32NDS FTR Hexs
TO RJWFAL/A
is
FJWZGU/29TH FJWZGL729TH
ANA 1
PJEDSO/AIR TECH RJEDSO/AIR
RJEZHO/HOS USAF RJEZHO/HOS -— -
WASH DC DC
RJE7HO/SEC RJE7HO/SECRE YAS" ASU
BT PT
UNCLAS
A. DISCR
1. SHAPE CTN
SDEEn ANT PPILLIANCE
OF THE
2. NITNESS
STATER
TWO CENTER
ORJECTS. OUT SIDE
3. COLOR, TERNINE PECAUSE
NESS.
4 FOUR
S'ALL•
5 FORNATION 5 FORNATION VAS DIAM SHADE SH
NSTANT CHAMGES IN A CHAMCES IM A
"JUFKA1