PROJECT BLUE BOOK

I. DATE - TIME GROUP 2. LOCATION
9 Dec 53 9/1230Z Thule AFB, Greenland
3. SOURCE 10. CONCLUSION
military ASTRONOMICAL: METEOR
4NUMBER OF OBJECTS
one .
S. LENGTH OF OBSERVATION ANALYSIS
2-3 seconds Bluish white, oblong light, no tail, exhaust. At
6. TYPE OF OBSERVATION impression of light shining through it. Fli N. Speed
estimated l,000 mph
air visual
7. COURSE
.

as follows:
a.
b. 10,000' - cast at io kmots.
1 c. 20,000' - zast at 10 knots.
d.3 30,0001 - last at & knots.
. Clear with no clouds.
r. Calling unlialtad.
Visibility ic miles.
9. trepal astronomical
phanomanon.
HadCRill
DISTRLEBUTION: DISTRLBUTION: MAROID R. PILLER HAROLD R. PILLER
Capt., UUAP
1 cy ea: Group Inte Group Int tieer
D/I USAP
NEAC
ADC ADC
64th AD
ATIC
F 1-
01
4
UNCLASSIFIED DOWNGRADED AT 3 YHAR INTERYALS; DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10
T53-14 2

.
NER 11912
atia
C-1 ROUTINE
FM COMDR 54 AU PEPPERRELL AFB NFLD/ 4t.Tile
TO DIR INT HQ USAF WASH DC
COMDR ADC ENT AFB COLO
COMDR AAC ELMENDORF AFE ALA ONCLASSIFIED
CINCLANT NORFOLK VA
COMDR USNS ARGENTIA NFLD
COMICEDEFOR KEFLAVIK ICELAND
COMDR ATIC HIO
COMDR MCANDREW AFB NFLD
6502 5502 AB GP AB ERNEST HARMON RMON AFB NFLD AFE NFLD
COMDR 660E AB GP GOOSE AB LABR
COMDR 6511 AB GP NARSARSSUAK AB GRNLD NARSARSSUAK AB GRNLD
COMDR 5621 AB GP AB GP SONDRESTROM AB GRNLD
COMDR 6612 AB GP ABG THULE THULE AFE GRNLD A
COMDR COMDR NEAC PEPPERRI CCc Ccc
COMDR COMDR 6600 ABGI ABC FRRELL NFLD
HQ CANAIRI HQ CANAIRI EBEC
CITE ADOIN 2005.
REF MSG FR AB THOPI7SI0. THIS HQ CONCURS AB THOPI7SI. THIS HQ CONCURS IN THULE THULE BASE INTELL
OFF EVALUATION OF SIGHTING AS METEORITE SHOWER OFF EVALUATION OF SI G AS METEORITE SHOWER
T53-1435%
.
JOWNGRADED AT S YHAR INTERVALS,
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10
.
.
.

NONE. 2. SOUTH NORTH. LOOKED UP-SAW ANGLE OF
20 DEGREES, REES PORT. 20 TO 30
DEGREES, AZIMUTI REES STRAIG LEVEL. SPEED
100D KNOTS. E. LIGH: 3
A.AIR -VISUAL. 26020 ET.
KNOTS, THULE AB 09123 UTP OF THULE
DOWNGRADED
DECLASSIFIED
DOD DIR 5200.10 AFTER 12
YOAI
ONCLASSIFIED
PAGE TWO 1953 C3C 11 07:59
AIRBASE. 6.A ICABLE. B. WW
SQ, PILOT, ROBERTS, SECOND LT, RADAR OPERATOR,
318 FTR INTCP SQ, FAIRLY RELIABLE. 7. A. CLEAR, NO CLOUDS. B.
SURFACE WIND EAST AT 8K KNOTS, 10000 FT 10 KNOTS, 22000
OBJ5 TERCEPT RADAR
ONE F-94, SER NR 846, AIRBOI APPRX TWO
12. HAROLD MILLER, CAPT, TELLIGENCE OFFICER. PART 2.
INTERROGATION OF DB ZOOK, PILOT, F-94, SEF 846, R H
ZEIGLER, SECOND LT. RADIO PERATOR, REVEALS SAME SIGHTING AND RELATIVELY
SAME INFO AS PART ONE THIS ACFT ONE SAME HEADING APPRX 2 MILES
BEHIND OBSERVERS PART ZOOK AND ZEIGLER GOTIMPRESSION OF METEOR
AT RELATIVELY CLOSE RANGE aR1 SECOND AND INDIVIDUAL SIGHTING.
1. GLOWING LIGHT. ROUND ON WINDSHIELD. C WHITE. D.
1. E. NOT APPLICABLE IMPRESSION ON.. ACFT RUNNING LIGH
H. NONE. NONE. IEAKING 180 DEGY TRAS LOOKEBAP,
SAW LIGHT ELEVATICN DEGREES, AZIMUTH 90 DEGREES TO PORT.
C. ELEVATI DEG. AZIMUTH DEG 0 PORT AIGHT AND LEVEL
WENT FOUT. SECOND. 3.
A. AIR-VISUAL. NO 89 26200FT EGREES, 22
KNOTS, THULE AIF 0912347 NIGHT.5 TO 25 MILES
SOUTH"SOUTH EAST THULE APPLICABLE IRWIN,
DOWNGRADED AT S YEAR INTERVALS:
DECLASSIFIED AFTER 12 YEARS. ds
DOD DID EOAA 1O
5
.

AB. 6.A APPLICABLI PILOT, T G
DUNGAN, SECOND LT, RADAR ATOR. N THULE E AB,
BOTH USUALLY RELIABLE. PART ONE.
9. SAME AS PART ONE. NONF HAROLD MILLER,
CAPT, GP INTELLIGENCE OFFICER OGATION OBSERVER
DUNGAN, INDICATED A SIMILAR SIGHTING 913002, TWO MILES EAXT
OF THULE OF THULE AB AB HEADING HEADING DIRECTLY TOWARD ELLSMERE ISLAND. PILOT DIRECTLY TOWARD ELLSMERE ISLAND PILOT TURNED TURNED
ONTC OBJECT ONTC OBJECT AND RADAR OPERATOR AND RADAR OPERATOR RECEIVED RADAR RECEIVED RADAR INTERFERENCE INTERFERENCE SIMILAR
TO GROUND TO GROUND HARMONICS. PART HARMONICS. PART 7. PENDING FURTHER DETA PENDING FURTHER TENTATIVE
ANALYSIS IS METEORITE SHOWER SHOWER
UES ORT 13 1390
.
Il .
T .
.
...
.
.

.
EMERCENCY JEXW JEHC JEQC 555
DE JEQSU 32
Y8914147 1953 03C 9 12:15
F" CONDR TUULE AD GRNLD E.te 9 Dec 53
TO REPHO/CHIEF OF INTEL HOUUSAF WASH D C
-
JEXC/CONDR NEAC PE EPPERRELL AFR NFLD
JEDEN/COMR ADC ENT AFR COLO O22
JYDJW/CONDR AAC ELNENDORF AFF ALASKA CORRECTED COPY OF MESSAGE
PEPAC/COMDR USNS ARGENTIA NFLD PREVIOUSLY RELEASED
JEXC/CO S4TH AIR DIV PEDPERRELL AFP NFLD
JCPDC/CANAIRDEF ST HUDERT QUEPEC
JFIC/COMICEDEFOR KEFLAVIV ICELAND
JEXC/COMDR 660OTH ARGT ERRELL AFP NFLD
JENC/COMDR 6622ND DARCP HA ARMON_AFR NFLD
JEOC/COMDR 6SA3RD APGP GOOSE AR LAPDR
JEXU/CONDR 66 S1OTH AR GI DREN AFD NFLD I
JENC/VOMDR 'G6IITH AR GP NARSARSSUAY AP GRNLD JENC/KOMD: GRNLD
JEOC/COMDR 662IST ABC TROM AR GRNLD GRNLD
JEDUP/COMDR ATIC OHIO
BEKZC/CINCLANT
ZEN/COMDR 6SI"TH APGP THULE A GRILD
CREVS OF THREE F-94 AJ
FLYING LOCAL APPEARED TO RF GHT LIGHT FLYING LE
FET SPEED ESTINATED IOSG, KNOTS ADPEARING TO PE ORRITING rC
OUT INTERCEPTION ATTEYPTED NO CONTACT LAST VISUAL COY "212457
NO RADAP CONTACT WEATUEP CLEAR VISIPILITY I "ILES SI ACE "ITDS
E EIGHT VNOTS 1OCSE FEET E 1O VNOTS 2 20000 E I" voTS oae E BIGUT
"HOTS THIS I HEA PUTV COUTTOLLED
NO CORRELATION LOCAL FLIG LANS
"9/14857 DEC JEOSU
.

1. The
Irwin, Captain, pilot and of the
31sth Fightor Intorcartor Squadron, Thule Air Base, Grea Loth obser-
vers concur in de ons:
a. Cbaervers wera on an airborne training mission at the time or
the sightinç. Thay were flying in an F-94 airoraft at altitud 25,cco',
hoading approximately 25 milss South
of Thule Air Base when both saw a glowing light. The sighting oecurred at
the obeerver aircratt. a
facilities (CCI, GCA other cossibls iaformativ providsi
negative iniormation. weathor seuenee see paragarh s regort.
Both observers stated the objoct was unllke any other astronomieal and/or
meteorlogical phenomenon praviously enocuntered. Cbaarvers ovaluation of
this sighting is a Lriaz objset. Doth ofricers can be
DOWNGRADED AT
DECLASSIFIED
AFTER 12
DOD DIR 5200.10 YEARS.
UNCL ASSIFIED

in the aroa at the elghting was the chsarver sircraft mentioned in
paragraph l, which was aoproximataly 2 niles ahead. Interrogation of all
communications facilities (G) CC: etc.) and other rosaible informatiys
souress provided negative matico Seguence ses paragraph
&. This was probably the eany objuct a Chserver
Zook evaluatve the sizhting as a meteor at relativsly close rang9 and cbser-
ver Zeiglur states that object looked HOPS liks a reteor ying object.
a3 cbserver
aireraft, straight and lovel with speed satirated at The objeet
appeared to and 9loy3-
tion of 100 to obsn aireraft. The object was observ
1 second. Pilot turned direction of object , with no
airborne radar contact esta The onll traf
DOWNGRADED AT 3
U79. DECLASSIFIED AFTER 12 CAR
. 2

sequence pararaph 8 For
prop
5. The following ieit ed arrogation
of R. i. Zoigler, 2nd sighting
inereased in incandescenee and then went out with no aftar glo obser
vor saw it for approxinately 2 saconds in a slightly downward trajectory at
the end. No intereeotion was attemcted and no radar contact sstabliahed.
The only knowm traffie in the area at the tire of sightiag was an V-9h, 40
ailes to the East over Thuls Air Base. Negative information available from
othor sources. For weather se uance see paragraph Ob3arver statad he got
the impression object was a me preparing officar'3 er 599
paragraph 9.
UNCLASSI OWNGRADED AT S YEAR
SSIFIED DECLASSIFIED
AFTER
DOD DIR 5200.10
SA

T. C. Dungan, 2nd Lt., Radar
ported in pararaph 6.
C913coz. Observer aireraft was at altitude 24,coo', heading C9c, speed
220 knots at a position approxirataly 2 miles East of Thule Air Base. Obser-
ver saw objset similar to that recorted paragragh 6, and deseri bed as
having sane 3i% shape and charecteristiss. When first sighted the object
was overhe cproxizately 30,cco' altitude. flizht path of the
objact was a heading of 340, otraight and level
The objset disappeared overhaad at an angls of 330o altitude of approx-
imatoly 30,000' The objeet was observed for a porioo approximately
1 second. The pilot turned to intercept but no intercaction made. Inter-
forenca similar to ground harmonies was received on airborne radar scopd.
No other known air traffie in the area at the time of sighting. Negative
information available from other sources. For weather secuence 380 para-
graph 8. Cbserver stated object did not look liks mete preparing
officer's see paragraph 9.
DOWNGRADED AT 8 YEAR INTERVALS;
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10
JUNCLASSIFIED i
T53-1f312