PROJECT BLUE BOOK

PROJECT 10073 RECORD CARD
2. LOCATION 12. CONCLUSIONS
'1. C
Ne. View, Califormia C dos Balloon
R 0 Probssly Bellcon
4. TYPE OF OBSERVATION 三 Possibly Balls
6.3928 Grout.d- V: sual Ground-Rader Aas Aircraft
hon Probauly Are
D Air- Visuet Air-intercept Rodar Pasbi Ae
OTOS TOTOS 6. SOURCE 6. SOURCE
C Yes C Yes 000 éas Astronom. cal éas Astronom, cal
z No civilian Pronabiy Astranan cni Pronaby Astranan cai
Poss.biv Astronam.co
ENGTH OF OBSERVATION S. NUMBER OF OBJECTS . COURSE 2 Gther. Sther
5 min. 1 E D 5 5 Insufticrent Dara for Evniuation Insufficrent Dara for Eviuation
n L'nxnn wn L'nxnn wn
BRIEF SUMMARY OF SIGHTING COMMENTS 11. COMMENTS
Silver. Round. Hovered. Silver.Round. Hovered. Aircrart in erea at time of sighting.
C YORM 329 (REV 26 SEP 52)

AF FORM 112---PART I
approved 1 June 1948 (Classification)
Country Report No. (Leave Blank)
United States of America
AIR INTELLIGENCE INFORMATION REPORT
Subject
MLYOBRPT
From (Agency)
Area Reported On Navarre. Minnesota -llear Lake Minnetonka CG 31st Air
Date of Report Date of Information Evaluation
25 Auust 1952 23 Ausust 1952
Prepared by (Officer) Source
2nd Tt. Wi77iam R. Rilo
References (Control number, directive, previous report, etc., as epplicable)
Summary: (Enter concise summary of report. Give significance in final one-
sentence paregreph. List inclosures at lower left. Begin text of
report on AF Form112---Part II.)
Te. sighted an unusual, sphericel shaped object, in
the vicinity of Navarre, Minnesota, on the 23 August 1952. the vicinity of Navarre, Minnesota, on the 23 August 1952.
Distribution by Originator Chief, ATIC Mnight - Patterson Field Chio
CG, CADF Kansas City, Missouri
CG, ADCColorado Spring, Colorado
D/I USAF Washington, D.0.
NOTE: This document contains information affecting the national defense of the Unit
States within the meahing of the Espionage Act, 50 U.S.C.----31 and 32, as
amended. Its transmission or the revelation of its contents in eny 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, USAF.
(Classification)
heel,

AF FORM 112---PART II
approved 1 June 1948
AIR INTELLICENCE INFORMATION REPORT
From (Agency) Report No.
69, 3lat Air Mivision Page 1 of 1 Pages
The object sighted was spherical in shape.
The ize unknown.
The color was silver or alwsinum, and it reflected the sunlight.
Only one object was sighted.
The shape of the object did not resemble a plane in any way.
There was no trail or exhaust.
The objeet was goinz "Very fast".
The power of the objeet was unknown.
It did not make any sound.
The object arose from the horison in the southeast and went north,
dived down, stonped. then clipbed and dies reared withent mprearing to
diminish in size. diminish in size.
The time of she s1ghtine was at l040 (cst) on the 2) August 19)2. The time of she s1ghtine was at l040 (csr) on ths 2) August 19)2.
The objeot was obaerved for 5 or 6 seconda, The objeot was obaerved for 5 or 6 seconda. 6=111 6=1(11
No optical instmuments were used in the sighting. No optical instmments were used in the sighting.
The location where the sighting took place was at Navarre, Minnesota
Near Lake Minnetonka - towards Mound, Minnesota.
The locatlon of the objeet was southeast of the observer's point. The locatlon of the object was southeast of the observer's point.
The distancevas unkmewn. The distance vas unknewn.
Ohiect was boine north Object was hoing north.
0bjeet vas probaly about 2),000 feet high.
The weather was completely clear at the time and the place of the
sighting.
The Name and the Address of the observer is as followa:
Mound,innesota
Phone:
Ur. was in the Unitet States Air Foree after l946 - and is
now emrłoved bv he Minneapolis-loneywell, Hinnesota. He works on the
Flight Läne, on B-17's and T-29ts.
OTE: This document contains information affecting the national defense of the Unite
States within the meaning of the Espionage Act, 50 U.S.C.----31 and 32, as
amended. Its transmission or the revelation of its contents in any manner to
an unauthorized person is prohibited by law. It mey not be reproduced in
whole or in part, by other than United States Air Force agencies, except by
permission of the Director of Intelligence, USAF.
(Classification)

(1. ata
7. atea
ACTION
RD25200T
MPHS60
YDA067
XYC059 OR.|INFOR.
XD3072
JWPML 193
7:34
RR JEPHQ JEDWP JEDEN 333
DE JUPML 119A DE JMPML 119A
R 2523332 R 2523332
FM CG 28TH AIR DIV (DEF) HAF3 CALIF FM CG 28TH AIR DIV (DEF) HAFB CALIF
TO JEPHQ/HQS USAF WASHINGTON 25 D C
JEDWP/CG WRIGHT-PATTERSON AFB DAYTON OHIO JEDWP/CG WRIGHT-PATTERSON AFB DAYTON OHIO
JEDENCG ENT AFB NOLORADO SPRINGS COLO JEDEN/CG ENT AFB NOLORADO SPRINGS COLO
JWPML/CG WADF HAMILTON AFB CALIF JWPML/CG WADF HAMILTON AFB CALIF
2STH OID. 9402 FLYOBRPT.ATTN DIRECTORS OF
INTELLIGENCE AT JEPHQ AND JWPML. ATTN:ATIAA-2C AT JEDWP.
1. ONE ROUND, SILVER COLORQED OBJECT,SIZE OF AIRCRFT,NO SOUND OR SPEED
REPORTED. OBJECT HOVERED OVER ONE POSITION FOR SHORT TIME. FADED
I TO DISTAN E. 0920 PST
0030t
2. 0930PDT, 24 AUG. 1952. OVSERVED FOR 5 MINUTES
3. OBSERVED VISUALLY FROM GROUND.
4. OBSERVER WAS LOCATED AT GOC POST NH 52 REE. CQAO. REF. NH
5524.(MT.6;832,CALIF).
5. OBSARVER WAS MT. VIEW, CALIF.

1
PAGE TWO JWPML 52F PAGE TJO JWPML 22F
S. CLEAR, SLIGHT WIND BLOWING.
7 NONE
3. NONE
9. NONE
10. AIRCRAFT REPORTED IN VICINITY EXACT LOCATION NOT GIVEN. 10. AIRCRAFT REPORTED IN VICINITY EXACT LOCATION NOT GIVEN.
25/2345Z AUG JWPML
C2

( PROJECT 10073 WORKSHEET
I. GENERAL
L. DATE 2. LOCATION 3. TIME
Local:0830Ds
24 2 Net. Viene CuliC Zobra: 0030
4. WAS OBJECT OBSERVED FROM THE GROUND? L103 □ No
Waked Eyo
(C] Binoculara
Teloscope
Thoodolito
5. WAS OBJECT OBSERVED BY GROUND RADAR? □ Yus TCNo
By One Set
By Two Sets
By Three Sets
6. WAS OBJECT OBSERVED FROM THE AIR? Yos
A/C Obaerved Object
[!Interception Attempted
[]No Intercept Attempted
7. WERE AIRCRAFT SCRAMBLED TO INTERCEPT? Yes CPNo
A/C Scrambled
VisualContact Made
A/IContact Made LJA/I Contact Made
C]No Contact Made []No Contact Made
8. DID OBJECT CHANGE DIRECTION AT ANY TIME? Yos
C]Normal
ClViolent
9. IF OBJECT WAS A "LIGHT", WAS IT: (] Blinking
PrStoady FrStoady
T0. LENGTH OF TIME IN SIGHT: 1-15 Soconds
1-5Minutes
I| Overl0 Minutes 1 Ovor l0 Minutes
11. REPORTING AGENCY (Unit Number and Nailing Address)
CG 28m Ain thw (Ule1) Hamiltom AFB CG 28m Ai thw (llel) Hamiltim AFB
II. ASTRONOMICAL DATA ASTPONOTGALDARA
12. WHAT ASTRONOMICAL ACTIVITY WAS NOTED?
No
13. DID OBJECT APPEAR TO ARCH DOWNWARD? 1] Yes CHilo
TL. DID OBJECT HAVE A TAIL? (! Yes CL-NO
15. DID OBJECT APPEAR TO DISINTEGRATE? Ti Yes LNO
16. TIME OF SIGHTING RELATIVE TO SUNRISE OR SUNSET (Data From Air Almanac)
WNight
□! Day
CSunrise
[] Sunset
III. AIRCRAFT DATA
7. WERE AIRCRAFT NOTED IN AREA? U-Yes No
[]One Aircraft
Thora Than One Atreraft
18. WAS ANY SOUND HEARD? 1Yes CUNo
TO. WERE THERE INDICATIONS OF HIGH BACKGROUND NOISET  YOS CCINO
CO. WAS THE OBJECT VIEWED ABOVE L5O ELEVATION? yYes C]No
AT1C Tost Form 334 (13 Aug 52)

IV. BALLOON DATA C
21. WERE BALLOONS RELEASED IN AREA? EYes No
22. TIME SINCE SCHEDULED BALLOON RELEASE: 4he,linutes
23. POSSIBLE BALLOON LAUNCH SITES DOWNWIND OF SIGHTING:
Lighted? Describe
Location Type Launching Agency Yes No Lighting
a.
b.
C.
d.
(attach overlay
V. EVALUATION
21. EVALUATION OF SOURCE: 22. DETATIS OF REPORT:
Excellent Excelroho Good
Good GlFair ClFair
Fair Fair Poor
Poor Insufficient to Evaluate
Unreliablo Unreliablo
ExtremelyDoubtful
Hoax
23. FINAL EVALUATION:
Was Balloon Was Astronomical
ProbablyBalloon Probably Astrenomical Probably Astrenomical
C]PossiblyPalloon Possibly Aztronoxical Possibly Astroncsical
[]Was Aircraft ]Was Aircraft Other:
ProbablyAircraft
Possibly Aircraft Insufficient Data For Evaluation
Unknown
24. COMMENTS:
ATIC Tost Form 334 (13 Aug 52)

PROJECT 10073 WEATHER DATA SHT
1. DATE OF OBSERVATION 2. TIME OF OBSERVATION 3. STATION OESERVING
40 WINDS ALOFT:
ALTITUDE VELOCITY DIRECTION ALTITUDE VELOCITY DIRECTION
(feet) (knota) (degrees) (feot) (knots)
0 25,000
1,000 30,000
2,000 35,000
3,000 40,000
4,000 45,000
5,000 50,000
6,000 55,000
7,000 60,000
8,000 65,000 65,000
9,000 70,000
10,000 75,000
12,000 80,000
14,000 85,000
16,000 90,000
18,000 95,000 95,000
20,000 100,000
5. WAS AN INVERSION LAYER NOTED? Yes LINo
(If yes, at what altitude?
6. WERE ANY THUNDERSTORMS NOTED IN AREA? Yes □No
(If yes, at what quadrant? )
7. CLOUD COVER: 8. VISIBILITY WAS
tenths at feet. CAVLMILES.
tenths at feet.
9. COMMENTS:
ATIC Tost Form 333 (13 Aug 52)