PROJECT BLUE BOOK

" . 2
PROJECT 10073 RECORD
1. DATE - TIME GROUP 2 CATION
19 June 1949 19/1700z . Oak Ridge, Tennessee 380
3. SOURCE 10. CONCLUSION
Civilian BALLOON
NUMBER OF OBJECTS
Three
5. LENGTH OF OBSERVATION 11. BRIEF SUMMARY AND ANALYSIS
12 - 15 Minutes Appeared as a rectangular object. Bright metal on top, dark
6. TYPE OF OBSERVATION underneath. Flat circular object, color of frosted glass.
Rectangular objects moved in wave-like fashion. Circular obgec.
Ground-Visual level flight.
7. COURSE
.

objects which pordinated and which moved in a wave-like
motion. The third object circular in s and appeared flight
between and above the two rectangular objects The retangular objects appeared to
be bright metal top but dark underneath, while the color the circular object
was the same as that frosted glass. The "flying saucer" sighted,
was in level flight and was flying northwesterly the. weather was
clear with high cumulus clouds The "flying saucer" fle Bpeer om 10 to
15 mph over area just about e center of Oak Ridge. Weather Section of
Plant X-10 reported elease any weather other
meteorological instruments that day. The Weather Bureau Knoxville Airport
reported having released a weather balloon at 1005 but meteorological equipment.
Their balloon was followed by sighting instruments until it had reached an altitude
degrees. )(B-2)
UNCLASSIFIED
DISTRIBUTION CG, Hqs, Third d Army - 2 cys
CO, Tenn. Mil-Dis, Knox Mil-Sub uis - 1 cy File - 1 cy
- u. B. GOYER OFFICE 16-63340-1

WASHINGTON
THE INSPECTOR GENERAL, USAF
STH DISTRICT OFFICE OF SPECIAL INVESTIGATIONS
WRIGHT-PATTERSON FORCE BASE.
CD
in Reply Refer to: 1 30 June 1949
SUBJECT: PROJECT GRUDGE, Incident ennessee
SPECIAL INQUIRY
UNIIED SLATES AIR PIRCL
Commanding General THE INSPECTOR GERtAL
TO:
Air Materiel Command
Force Base
Dayton, Ohio SIHOICY
ATTN: MCIAXS
RoUTE TO
1. Inclosed for your information and any action deemed necessary
is report of imvestigation by Special Agent DALE, District
2. Investiga
Duvaciel
AF
... H Inel THOMAS F. DOYLE, JR
R/I dtd 23 Jun 49 (dup) Captain, USAF
area be contac
2. Other sources list Knoxville Municipal Airport ther Sureau
wind readings at looo feet as 3 meters per second at 8 rees, and
JUL 5
WF-O-5 OCT 48 15M

Colonel, USAN
Acting Thief, mence Derartment
.
5D 24-21-21 2nd Ind 5D-OSI/JEMi/fmn
o
TO: District Commander, 8th OSI 1 District (IG), Maxwel: Base,
Maxwell Field, Alabama
Attention is preceding
. uice
: CONEtDENIIAta
2

2. check the records Department of Comme rce
Weather Bureau, Chattanooga, 19 June reports
as followss
Chattanooga, Tennessee: Chattanooga, Tennessee: (Balloon) (Balloon)
0300 hours 3000 mtrs 110 degrees 4 knots
0900 hours no run no run
√ 1500 hours 5000 mtrs 80 degrees 16 knots
2100 hours 2000 mtrs 70 degrees 8 kots kots
Spartanburg, South Carolina: Spartanburg, South Carolina: ( (Balloon)
0300 hours 0300 hours 4000 mtrs 80 degrees 4 knots
0900 0900 hours 7000 mtrs 90 degrees 10 kmots knots
. 1500 hours 1500 hours 8000 mtrs 8000 mtrs 100 degrees 19 mots kots
2200 hours 2200 hours 7000 mtrs 90 90 degrees degrees 7 kots knots
Greensboro, North Carolinas (Radiosonde)
0300 hours 14000 mtrs 110 degrees 7 kots
0900 hours 9000 mtrs 100 degrees 18 kmots
1500 hours 14000 mtrs 80 degrees 10 knots
2100 hours 4000 mtrs 90 degrees 3 kots
Raleigh, North Carolina: (Balloon)
0300 hours 8000 mtrs 100 degrees 12 kots
0900 hours 4000 mtrs 130 degrees 2 kots
1500 hours 8000 mtrs 80 degrees 4 knots
2100 hours 8000 mtrs 110 degrees 9 kots
UNITED STATES AIR FORCE
UNCLAS SIFIED THE INSPECTOR GENERAL
2 SEP 1949
FICE OF SPECIAL INVESTIGATIONS
5TH DISTRICT
ROUTE TO FILE

< •
.
a ED
UNITED STATES AIR FORCE FILE NO. DATE
The Inspector GENERAL 24-36 23 June 1949
OFFICE OF SPECIAL INVESTIGATIONS REPORT MADE BY
REPORT OF INVESTIGATION ARTHUR J. DALE
TITLE REPORT MADE AT
DO #8, Maxwe11 AFB
PERIOD
PROJECT GRUDGE 20 June 1949
INCIDENT OAKRIDGE, TEI ESSED OFFICE OF ORIGIN
19 June 1949 DO #5, Wright-Patterson AFB
STATUS
RUC
CHARACTER
SPECIAL INQUIRY
REFERENCE
None report.
SYNOPSIS
Three unidentified objects were sighted flying over Oakridge, Tennessee,
at approximately 1200 hours, 19 June 1949, at estimated looo ft. altitude.
These objects were flying from southeast to thwest, and at an estimated
speed of l0 t 12 miles per hour.
TERVALSI
YEARS.
DOWNGRAD 0200.10
.2
DISTRIBUTION FILE STAMP
CG, AMC (MCIAXS)
Hq OSI
AMC Engineering Field
Officer, Oakridge 2
File 2
DO #5 2 tt
APPROVED
PATRICK W. HAYES
Lt. Colonel, USAF
O
District Commander.
AFHO FORM 200 16-57744-1 U. S. GOVERNMENT PRINTING OFFICE

19 June 1949, they sighted three unidentified objects flying from the
southeast, over Mrs first sighted the
objects and called Mr attention to them. They watched the
objects until they came into closer view. They described two o f the ob-
jects as being rectangular in shape, and identical third object was
described as circular shape, and flying either in betw slightly
above the two rectangular objects. The two rectangular ojects appeared
to be flat and fledible. The third object was t. but I not have a
flexible appearai The rectangular objects raveling followed a
wave-like cour appeared to be dark in nderneath, and of
bright metal finish on top. Their movements were ordinated, and their
reflection in traveling was light and dark. The rectangular objects seemed
to have an area of from four to ten square feet The circular object was
described as 1 being the color frosted glass This third object did not
follow the wave-like follow movement e rectangular objects, toeto but maintained
a level flight. There was indicate how these objects were
being propelled. They remained minutes after being
sighted, and when last seen traveling in a northwest direction.
During this time the objects pear either gain ( loose alti-
tude. The weather was clear with the exceptic high scattered cumulus
clouds, and the wind which was fro m an easterly directi ery slight.
4. At
Oakridge, Tennessee, stated that Mrs neighbor, called
her attention to the three flying objects sighted by tr at
approximately 1200 hours, 19 June 1949, and that she watched them for
approximately 10 minutes. Mrs description and details regar
the objects were the same as Mr M
The witnesses of these objects s are people, and their
statements s are considered reliable. 1 Mryad a biologist
with the Oakridge National Laboratories, Mrso a school teacher,
and Mrs. the wife of one of the members of the Security
Division, Cakridge, Ternessee.
UNCLASSIF
2

10000 240 degrees Meters Per Sec
12000 190 de grees 11 Meters Per Sec
14000 200 degrees 12 Meters Per Sec
16000 200 degrees 19 Meters Per Sec
18000 190 degrees 24 Meters Per Sec
20000 20 Meters Per Sec
The wind rom an easterly directi the
hour.
AT OAKRIDGE, TENNESSEE
7. It was verified through the Security Division, A.E.C., that X-10
REFERRED COMPLETION
-
-
3

is report of investigation by Speoia strict
Office No. , dated 23 June 1949.
2. Investigat i.
/8/ John E. Morrill. Wo jg. USAF
1 Inol for THOMAS F. DOYLE, JR
Captain, USAF
Acting Distriot Commander
It is, therefcre, desired that othor weather and research agenoies in this
arva be contacted
2. 1st Knewvilla Mmioipal Airport Weather Bureau
- wind roadinga and
BOW YEARS.
DECLASSIT DOD D1R 3L00.1O
- 1
. UNCLASSIFIED
a

.
. 4
-
. .
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*
a

ppe PA
8. Color r of object Rectangular ob.jeo Bright metal
undernsath. Flat circular frosted glass.
. Shape 2 Reotangular, flat ciroular.
10. A Altitude 1000 feet
11. I Direction fron observer South East
12. Distance from observer
13.I Direction of flight of object(s) Southeast-Northwest
14. T Time in sight 12-15 minutes
15. Speed 15. S Speed 10-15 MPH
16. 16. Sound and odor Sound and odor None None
17. I Trail None
18. I Luninosity apparent efleoted
19. F Projections
20. I Hianeuvers Reotangular leveI flight
21. I Hanner of disappearance Last rthwesternly direotion.
22. Effect on Clouds
23.A Additional Information Concerning Object-
24. Weather C Conditions. Clear, high oumul
(over)
.
601

the object called ttontion to them. They watohed the
objects u oame nto closer They described the objects
as being re and Identical.. The third objeot described
as circular lying either betwes slightly abo ne two
reotangular objec rectangular object appeared flat and
flexible. The third object flat but did not have
The rectangular objects in traveling, followed a wave-like course, and
after being sighted traveling
in e northwest direotion. During this time object appear to
•ither lose ltitude. The weather clear wit ception of
high scattered cumulus clouds, an ich direc-
tion ight.
. 20 June 1949. Mrs.
Oakridge, Tennessee, stated that Mrs. her neighbor called
ber attention to the three flying objeats sighted by th approx-
imately 1200 hours, 19 June 1949, and that she watohed them for approximately
10 minutes. Mrs desoription regarding the objeats were
and Mr
*2

Iright-Pattereen air Fo ce lese
Dayton, Chio
attention: : 10I a-1917)
or Informstion" doted 77 June 1949.
FOR TD COMANDING GANERAL:
JOIN IEADE JOIIN IEADE
Colcnel, G50 Colcnel, Guo
1 Incl: AG of d, G-2 LC of: ir.
i.
.
-
DOWNGRADE
DECLASSIFTSD AY.H YALS:
Ca DOD. DLR 5200.10 YEARS.
Mici 380 - MEIDENTA
JUL6
UNCLASSIFIED