PROJECT BLUE BOOK

PROJECT 10073 RECORD CARD
2. LSATION 12. CONCLUSIONS
Southeast, Norea 12 Was dalfeen
2 Probubly Beloen
4. TYPE OF ON 3 PosebBallen
99/20501 3 Greg Groordke 3 Nos Aece
"ADAR P'rebes y Atcrott
D Aetrtesant Puser Poss 1, A.co
fnCTOL IHCTOL 6. Was Asmona T Was Astronomcal VE TE IR
v.. Probably Astionomical
Dx Marine Pilot Mrine Pilot C Possisly Astranamicol
7.LENGT SCLERVATION 7. LENGTH S CSLERVATION B. NUMBEE IF CBUSCTS 9. COURSE B. NUMBEE OF CBUBCTS 9. COURSE Other Cther
1 100 Insaffrevent Dota for Evaluation
Unknown
IG. BRIEF SUMMARY OF SIGHTING 10. BRIEF SUMMARY OF SIGHTING 11.COMMENTS
Harine pilot in Korea vicwed neteor-type Harine pilot in Korea viewed neteor-type Prepring officer enelgnee ebject Prepring officer enelgnee obéect
object visually and by air-intercept redar. a neteor.
ATIC FORM 329 (REV 26 SEP 52)

ADAA
C
AF FORM 2-PART1
APK VED I JUNE 1948
COUNTRY Japan (LEAVE BLANK)
IR-37-52
AIR INTELLIGENCE INFORMATION REPORT
SUBJECT FLYOBRPT
AREA REPORTED ON FROM (A)
Southeast Korea ATIL Office, D/I FEAF
DATE OF REPORT DATE OFINFORMATION EVALUATION
25 August 1952 9 August 1952 C-2
PREPAREO BY (Oe) SOURCE
Charles J. Malven, Captain, USAF (ATLO) lst Marine Aircraft Wing, Korea
REFEREMCEs (Control nunter, directire, previoue report, dc., as appáicable)
AFL 200-5, dated 29 APR 52; FEAF IR-35-52, dated 11 August 1952
SUMMARY: (Enr cuncie mmery Giee sigmificanes in inal one-tentence paragrapà. List inclomures at loter left. Begin tezt of report om AF Form I1s-Part II.)
1. This report concerns visual and radar sightings of an unidentified
flying object by a pilot and a ground radar observer of the lst Marine Aircraft
Wing.
2. The object, flying at an altitude of approximately 10,500feet in the
vicinity of K-3, was reported as a moving ball of fire with a streamer of flame. vicinity of K-3, was reported as a moving ball of fire with a streamer of flame.
3. The "object" has been tentatively identified as a meteor by the
Commanding Officer, Marine Ground Control Intercept Squadron 3, Marine Air
Control Group 2, lst Marine Aircraft Wing: however if such is the case, the Control Group 2, lst Marine Aircraft Wing: however if such is the case,the
object's speed was probably underestimated.
APPROVED: 1
lo
the Geg.1. lwlnthue 3719-10
CHARLES Y. BANFILL
BrigadierGeneral, USAF
Deputy of Intelligende
Siatement of Lt. Vagrodsky
2. Eraving of PiT scope
1. Kap of et ghtincs
B,cn D/I JADF, Cy a COMNAVFE, Cy/1l
ATTC. W/P AFB, Attn: ATTAA-2C, Cy #2 IN-REC, FEAF, Cy#8 File, Cy #12
Alaskan Air Cond, Cy 3 IN-EVAL, FEAF, Cy #9
C-2, Hq FEC, Cys #4, 5, and 6 IN-ATLO, FEAF, Cy #10
31 AND 32. AS AMENDED ITS TRANSMISSION OR THE PEVELATION OF ITS CONTENTS IN ANT MANNER TO AN UNAUTHORIZED PERSON IS PROHIBATED BY LAW.
IT MAY NOT BE REPROCUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIED. EXCEPT BY PERMISSION OF THE CIRECTOR OF INTELLIGENCE,USAF.

AF FORM 12-PART H (CLASSIFICATION)
APPROVÉD 1 JUNE 1948
AIR INTELLIGENCE INFORMATION REPORT
FROM (An) REPORT NO.
ATIL Office, D/I FEAF R-37-52 PAGE OF PAGE3
5. I called Captain VERNOR, the assistant operations officer, described the
strange blips and Richmond l8's report, and was advised to inform Devestate Able.
Wè completed our conversation at about 2lo4.
6. To ensure as accurate a report as possible I wrote down the times, bearings,
and distances of the strange blips as I recalled them and then had it entered in the
log book the facts I wished to include in my report,to Devestate Able. I estimated
that the blips as I recalled them, if connected as one track, would have indicated a
speed of about 1200 to 1400 knots. This seemed too high so I considered that it was
possible that there would have been two aircraft one behind the other, moving at 600
to go0 miles per hour rather than only one aircraft.
7. At about 2l07 I called Devestate Able on the AC-CI phone and endeavored to
send the report approximately as follows:
Richmond 18 reports strange non conventional aircraft passed him 500 yards
on starboard wdng about lo00 feet higher. Aircraft had ball of fire at the rear with
à very long streamer of flame. Object glimpsed at front before passing was not of
any type known. Aircraft was going at a very high rate of speed. He notified me when
he checked in over K-3 at 2057. I verified seeing several radar blips on scopein he checked in over K-3 at 2057. I verified seeing several radar blips on scope in
direction 205 degrees at approximately the same time Richmond 18 reported seeing the
strange aircraft. Very conservative estimate of speed of 600 to 800 knots, because
speed of 1200 to 1400 knots was to• high for one aircraft. It was probably two, one
behind the other. behind the other.
g. The circuit was weak and the controller asked that I repeat the message. I
repeated the message three times, the last time very slowly, before he was able to
read it back correctly. The time was then 2l23. Controller advised me to send any
further information about the occurence over the regular switchboard telephone.
9. At about 2300 members of the oncoming CIc watchwere discussingthe meteor 9. At about 2300 members of the oncoming CIc watch were discussingthe meteor
they had seen while at the movie and described it as leaving a long brilliant trail.
On questioning them I determined that it had passed at about the time of my sighting On questioning them I determined that it had passed at about the time of my sighting
the strange blips. I reported this to Devestate Able on the switchboard phone. The
controller agreed that the meteor was probably what I had seen on the scope.
10. On being relieved at 2400 I instructed my relief to ask for amplifying in-
formation from Richmond 18 when he reported outbound. He later reported to me that
Richmond 1s had nothingfurtherto report.
/s/Leo N. Nagrodsky
LEO N. NAGRODSKY
Incl #1
MOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, SO U S C.—
3I 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 BY PERMISSION OF THE DIRECTOR OF
INTELLIGENCE, USAF.
16-55570-1

AF FORM 112—PART 11
APPROYED 1 JUNE 1948
AIR INTELLIGENCE INFORMATION REPORT
FROM (Ayency) REPORT NO.
ATIL Office, D/I FEAF IR-37-52
PAGE CF PAGES
STATEMENT OF LT. NAGRODSKY
11 August 1952
From: Second Lieutenant Leo N. NAGRODSKY O53011/6709 USMC
To : Commanding Officer, Marine Ground Control Intercept Squadron 3
Subject: Unidentified Radar Sighting
1. On 9 August 1952 I had the duty as Senior Watch Controller at MGCIS-3 CIC
from2000 to 2400.
2. On comingon watch I noted that AC-CI phone circuit was weak and instructed
the duty telephone man to check it. He advised Devestate Able that their transmitter
batteries were apparently weak. Devestate Able stated that they would work on the
circuit.
3. At 2047 I was "peaking", or readjusting, the tuning of the controller plan
12 scope, in order that I could ensure that the radar teller reported all contacts.
I was tuning on an inbound target later identified as Richmond 18, which was then at
210 degrees, 30 miles. At 2050, when Richmond 18 was at 20 miles I noted a weak tar-
get at 205 degrees, 15 miles. On the next sweep of the trace Richmond 18 was at 19
miles but the faint target did not reappear andI attributed the first indication to miles but the faint target did not reappear and I attributed the first indication to
interference. On the third sweep Richmond 18 was turning toward K-3 and was about
17 1/2 miles from MCCIS-3. A target appeared at 205 degrees, 27 miles and I started 171/2 miles from MCCIS-3. A target appeared at 205 degrees, 27 milesand I started
to adjust the scope to get maximum pick up on that target. On the fourth sweep Rich-
mond 13 was at about 215 degrees, 16 miles, and a target appeared at 205 degrees, 32 mond 18 was at about 215 degrees, 16 miles, and a target appeared at 205 degrees, 32
miles. I did not connect this target with the 3rd sweep target, because it was so far miles. I did not connect this target with the 3rd sweep target,because it was so far
from it and thought that two Richmond aircraft were coming up from the south. On the from it and thought that two Richmond aircraftwere coming up from the south. On the
fifth sweep, fifty seconds after the first faint target had appeared, Richmond 18 was
at about 220 degrees, 15 miles and a strong peculiar blipabout 2 miles in length and at about 220 degrees, 15 miles and a strong peculiar blip about 2 miles in length and
curved at an angle of about 80 degrees from the trace of anormal target appeared at
206 degrees, 38 miles. I could not tell whether it was an aircraft or some type of
interference and did not connect it with the previous blips. No more unusual blips
appeared and I decided that they had all been due to interference of some type. The
above bearings and distances are asI recalled themabout seven or eight minutes later,
but Ibelieve them to be accurate within two miles and five degrees.The radar teller's
scopewas not peaked as high as mine and he did not see any blips other than Richmond
13. I did not call theradar teller's attention to the unusual blips I had seen, be-
cause he was accurately reporting all other tracks, and I believed that interference
had caused the widely spaced and peculiar blips.
4. At 2057 Ribhmond 18 reported in and then asked if I had seen any plots in
his vicinity seven to nine minutes before. I replied that I had seen what could have
been either several planes or noise at that time. Richmond 18's comment was that it
was not like any airplane he had ever seen and described the object as follows:
a large dark object with a ball of fire and very long streams of flame which
did not resemblsna jet exhaust.
Be estimated that it had passed him about 500 yards to his right and about lcco feet
above his alpátude of &500 feet. He also stated that it seeed to bo moving at a
very high cate of speed. I told hie that I would check on it further. Our trans-
missiens were completed at about Ploo. It was at this tior that  reallsed that the
blips mighs have been a track or tracks instesd ot laterforenes.
Incl.#1
NOTE: THIS DOCUMENT CONTATNS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, SO U, S. C.-
3I AND 2, AS AMENGED. 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 BY PERMISSION OF THE DIRECTOR OF
INTELLIGENCE.USAF.
(CLASSIFICATION) 16-55570-1

AF FORM 112-PART 11 (CLASSIFICATION)
APRYED 1 JUNE 1948
AIR INTELLIGENCE INFORMATION REPORT
FROM (Aency) PEPORT NO.
ATIL Office, D/I, FEAF TR-37-52 2
PAGE OF PAGES
2. Though the graphic plot chartings indicate a slightly erratic course, the
Senior Watch Controller's written statement indicates a nearly constant course
bearing of 205°, 205, 205°, and 206° respectively for the 1st, 3rd, 4th and
5th sweeps. No blip was observed on the 2nd sweep. Further, the chart's admit
to an error of 2 miles and five degrees. Therefore the constant course heading
of a meteorite seems to be substantiated.
3. A meteorite entering the earth's atmosphere at18,000 m.p.h., especially
if flying a near-horizontal course, would probably decelerate very raidly. A
speed of 1500 m.p.h. at 10,000 ft. altitude may be concomitant with these
conditions.
h
CHARLES JMALVEN
Captain, USAF
ATLO
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 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 BY PERMISSION OF THE DIRECTOR OF
INTELLIGENCE.USAF.
10-53570-1☆u.8.c022s

AF FORM 112—PART II
APPROVED 1 JUNE 1948
AIR INTELLIGENCE INFORMATION REPORT
REPORT NO.
ATIL Office, D/I, FEAF IR-37-52 1 2
PAGE OF PAGIS
1. The following information was forwarded to Marine Ground Control Intercept
Squadron 3 as Enclosure 1 to Air Defense Section Daily Report for 9 August 1952
from the Air Control Detachment:
A. Pilot of RICHMAN 18 on course of 005, altitude 9400 feet, "speed 240
knots, in vicinity of K-3 at 2057I reported to Doodle-bug that he had sighted
a long streamer of flame with a ball of fire at the front. This object
passed him 500 yards off his starboard wing, l000 feet above on a heading
of 200 degrees. The pilot caught only a brief glimpse, but stated this
was a non-conventional type aircraft, unknown or ever seen before by him,
traveling at a high rate of speed. The pilot requested that Lt. NAGRODSKY,
the officer reading the scove at Doodle-bug, verify his sighting by radar.
Lt. NAGRODSKY verified thefollowing plots:
1. 1st P1ot EQ3865, 15 miles from Doodle-bug heading 2050. Time, 20501.
2. 2nd Plot EQ3550, 25 miles from Doodle-bug. Time, not logged.
3. 3rd Plot EQ2842, 30miles from Doodle-bug. Time, not logged.
4. 4th Plot EQ2535, 35 miles from Doodle-bug. Time, not logged.
B. Lt. NAGRoDSkY reported that the first three blips looked normal,
however, the fourth and last one appeared to be rather elongated. He however, the fourth and last one appeared to be rather elongated. He
estimated the speed to be between 600-800 miles per hour. Lt. NAGRODSKY's estimated the speed to be between 600-g00 miles per hour.Lt.NAGRoDSKY's
first estimate of the plots were two aircraft, but after further tuning
of the scope and subseguent reports from RICHMAN 18, the Lt.'s conclusion of the scope and subseguent reports from RICHMAN 1g, the Lt.'s conclusion
with the pilot, that this was a very stubby aircraft, with swept back
wings, possible jet type. Observation by the pilot was very limited due wings, possible jet type. Observation by the pilot was very limited due
to the extremely high closing speed.
C. This message was received in Devastate Able by 2nd Lt. D.E. SHAW at C. This message was received in Devastate Able by 2nd Lt.D.E. SHAW at
2120 and relayed to Shirley.
D. No plots were reported to Devastate Able on the above sightings.
E. No jet aircraft were scheduled to be in the area concerned.
2. Comments on the report by the Commanding Officer of the Squadron were:
A. It is my opinion that Lieutenant NAGRODSKY's final deduction that the
unidentified blips mentioned in his report ware caused by a meteor is
correct.(SeeInclosure #1)
B. If such is the case, it is apparent that his initial effort to provide
a logical explanation for a series of observations which at the time seemed
either unconnected or beyond credibility resulted in an underestimate of
the object's speed, which would be about 1,600knots if considered as a
single track.
COMMENTS BY PREPARING OFFICER:
1. The unidentified object was first plotted at 1s miles, a distance just
beyond the usual ground clutter radius. The fact that the cbject wasn't
initially located on the other side of the PI scope may have been due to or
interpreted as interference; or it may have been because the Sentor Watch Centrollery
attention was focused on Richman 16.
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 CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHISITED 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.
16-55570-1

AEORM 112——PART1 (CLASSIFICATION)
APPROVED 1 JUNE 1943
AIR INTELLIGENCE INFORMATION REPORT
FROM (Agné) REFGRT NO.
ATIL Office, D/I, FEAF IR-37-52 FAGE CF PAGES
Plofe Pecer'x
270° 270° 10 20 30 90
0 x 1
80
220 △5
210
200
190
J:
ox△ 180°
Inclosure #2 to FEAF IR-37-52
NOTE THIS DOCUMENT CONTAINS INFORMATION AF FECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE LOFHONAGE ACT, SO U S. C - 3I AND J2, AS AMENDED ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIVED 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.

AF/ ORM112—PARTII (CLASSIFICATION)
APPROVED 1 JUNE 1948
AIR INTELLIGENCE INFORMATION REPORT
FROM (AgenCy) REPORT NO.
ATIL' Office, D/I, FEAF IR-37-52
PAGE CF FAGES
N
Inclosure#3 toFEAF1R-37-52
NOTE: THIS DOCUMENT CONTAINS INFLRMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES W THIN THE MEANING OF THE ESPIONAGE ACT, SO U S. C.-
3I AND 2, 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 BY PERMISSION OF THE DIRECTOR OF
INTELLIGENCE.USAF.
10-55570-1