PROJECT BLUE BOOK

GMT 17/23283 AinVisuol Air-intorcept Radar - Poss bly Aircralt
i. PHOTOS so :0 Was Astronomical
CYes a Probobly Astronomical
XX No . Radar Operators C Passibly Astronomical
J. L.SUOTH OF GBSERVATION B. NUMBER OF OBJECTS !V. COURSH Othat
1 + i insufticient Dota for Evaluation
9min 14 one Unknown
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!5. BRIEF SUNMARY OF SIGHTING 11. COMYENTS
Five plots were observed on radar scope from
08261-0831 Average speed was 7lo knots & reend i pepariny
course fron initial plot was varying to Hen
312° at final plot. Temperature inversion
noted at 6000' at 6°C.
Pa
.

Date of Inci: 18 Dec 52 Location: Northern Kyushu I
A radar target was picked up on 527th AC&W Group in Northern
Kyushu. Description of the target: target size approximately that made by B-29
type aireraft. There is no evidence of target trace or trail. Target was tracked
for a period of 9 minutes and appeared to be going 30 knots on initial pickup and
estimated l040 knots on the last pickup.
Air traffic present at the time sighting consisted of five targets
which were as USAF aircraft. This sighting is ar unknowm.
+
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@457, SOUTHERN RPTD IN
ACCORDANCE WI PLOTS
OPR FROM 828 WAS 710
KNOTS AND COURSE FRC ITIAI PLOT UAS 272 DEGREES
NO INTCP se
VARYING TO 31 DEGREES VAL PLOT ALT UNKNOWN.
ATTEMPTED. OPERATION FOULP WAS NORMAL OBJECT
PAINTED AV ION RADAR SCOPE VEATHER ALONG TRACK VARIABLE,
CLOUD COVERAGE SASTS 5200 6000
1
.

Intelligence Officer
.
is
1 INCLS.
1. Statement by
A/0 ATIC, W-P AFE
ATTN: ATiAA-ZC
X
Ly ALaS
w)1 53
command
29gan -t
DISTRIB ORIGINATOR
D.
UNCLASSIFIED
NOTE THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT. SO U. S C.-
31 AND 32. AS AMENDEO. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZEO PERSON IS PROHIBITED BY LAW.
IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART. BY OTHER THAN UNITED STATES AIR FORCE 2
INTELLIGENCE, USAF.
ICLASSIFRATIONY U.S. GOVERNMENT PRIN 331
.

i
5. Identifing Inforratirn: V3c reliability and prc-
ficiency have been rate high by the de nt commander. '
6. Weather: Weather alone track area
6000 feet
COMIENTS CF PREPARING OFFICEH: In vied of existInE
ditions it is believod that
acoounted for unusual phentmenen and epeed.
ClaudeJ.Sizzo
CLAUDE 3. RIZZO
1st Lt, USAF
Ass't ntelligenca
UNC FIED
NOTE: THIS DXOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, SO U S. C.-
BI 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 OY PERMISSION OF THE OIRECTOR OF
INTELLIGENCE, USAF.
18-45670-1 * ". S.

.
.
UNCL IFIED
NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, SO U S. C.-
31 AND 32. AS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTEMTS IN ANY MANNER TO AN UNAUTHORIZED PEPSON IS PROMIBITED BY LAM.
IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART. BY OTHER THAN FORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTOR OF
INTELLIGENCE, USAF.
SECURWWAAIPKSSAWTON
(CLASSIFICATION) 16--58570-1

on my scop ther pres
of my This as an ordinary air-
craft uld appear vere large tyce aircraft.
Ronld L.Keene
RONALD L. KEENE
AF 13347922
A/3c, USAF
.
-
UNC IED
Incl #1
NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF T THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT. SO U S. C.- X
3I AND 32. AS AMENDEO. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAN.
IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTCR OF
INTELLIGENCE, USAF. Y
18-85070-1 ICE
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