PROJECT BLUE BOOK

2. LOCATION

' Oak Ridee

3. DATE-TIME GROUP
O81.5EST

4. TYPE OF OBSERVATION

PROJECT 10073 RECORD CARD

Locol “2 Ground- Vi sual 0 Ground-Redar
GMT ne 0 Air Visual 0 Alr-Intereop? Radar
5. PHOTOS URCE SS eS
O Yes
3-No Civilian
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE
30 ~ 40 seconds each 1 (4 times) Vertical

10, BRIEF SUMMARY OF SIGHTING

Cloud level 6,000 fv.

ATIC PORM 329 (REV 26 SEP §2)

Gray white object, smooth, not shiny, square UN IDANT IY LD
aboaa speed of conventional a/c. No sound,

emoke or trail. Observed to come out of cloud:

for 30-40 seconds and reenter cleuds. Came

within 200 ft of ground and made circle. A/c

sent to investigate and no object observed,

11. COMMENTS

sco ooa soo o00

12. CONCLUSIONS

Wes Bolloon ,
Probobly Balloon
Possibly Bolloon

Was Ai:craft
Probobly Aircroft
Possibly Aircroft

Was Astronomicol
Probobly Astronomicol
Possibly Astronomicol

ia i BY ea “Tre
Other _UNT —_ ti c— De
Insufficient Dota for Evaluation
Unknown

3 UNCLASSIBIED |
AF FORM 112—PART IH ca

(CLASSIFICA TION)
APPROVED t JUNE 1948

AIR INTELLIGENCE INFORMATION REPORT

Fram (tyemepy REPORT NO.

30th Air Division iR=6)=51E PAGE

_—_— - -__ —_——— -<-

mS
4
UW

PAGES

In accordance with ADC Letter 200-1, dated 11 April 1951, the following
information is submitted on reported visual sighting of an airborne object
by a Contractor Guard at K-25 Plant, Oakridge, Tennessee.

&e Deascrivotions

(1) Object sighted was square end approximately twenty feet wide,
Color, between a white and greys No markings, protrusions,
ridges, ete. Object looked snooth, but wasn't shiny. itesem=
bled a square piece of canvase

(2) Always kept broadside to observer.
(3) Speed remained constant about same as conventional aircraft.
No sound, smoke or noise was noticede Went with and against

prevailing winds.

be Time Factors:

Sighted at 0515 EST, 7 December 1951, and was under observation nbout
two minutes total and 30 to },\0 seconds each time object came out of
cloudse

Ce Manner of Observation:
——oOoOCOoOCOo oe ee ee eee

Visual Only. No optical or electronic equipment was used for obser~
vabione Speed constant, altitude varied approximating 300 feet from
top of a ridge to cloud level.

de Location of Cbject/observer:

Coserver was West of K-25, Gaseous Diffusion Plant, in Tower Uy
which is a part of the security system around the plante location

of object was approximately NNW from observer, distance approximating
one mile and 300 feet from top of ridze.

C» Witness/Observer Datas

Witness and observer was ]ir. Spee 8 Contractor Giard at
K-25 Plant, Cakridge, Tennessee. Employed by the Union Carbon and

Carbide Company as a Guard for seven vears, hir . <a. 2 ars
of age and resides at Knoxville, Tennessee.

Observer was on shift )5 minutes when object was sichted, hyesicnt
is 20/70 and he claims no eye troubles. Cunard Sa is held in
high respect by his superiors and he appears to be honest and cone
ecientiouse The guard is fully aware of the publicity restricticns.

i. Vieather Conditions:
rr nn es

0759 EST = Clouds; 6,000 scattered. Visibility; 30 niles. Winds;
Sils 17 mDN » Altimeter; 009.

0830 EST = Clouds; 6,000 scattered. Visibility; 30 milese Winds;
SW, 19 mphe Altimeter; O11. Temp, GPancp aro YRAR INTRO Ay
DECLASSIFIED APT 12 years.
Pony Vyipe : Ls) -

——.
.

| | PENS ; ; FANING OF THE ESPIONAGE ACT, SOU, 5. C.--
Te: THIS DOCUMENT CONTAINS INFOM MATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE ! OFT “ .!
3 AMD°2, 43 AMENDED, 17S TRANSMISSION OM THE [’EVELATION OF ITS CONTENTS IN ANY MANNER TO AM UNAUTHOWIZED PERSON 15 PROHIMITED BY LAW,

IF WAT NOT HE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN, UNITED STAYED AUR LORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTOR OF
be TEL Line Ck, USAF, SES LA LF fh S
a inert SS io en . KrAL. | i.+ ee iS
APE LALA TOL. INS CLASSIFIED

“(TASSIFICATION) se. #407" .6 Ae 8 ROR tO ee momen ermine nee me ee eens

= = ee
—_— ——

AF FORM 112—PART II

APPROVED 1 JUNE 1948

FHOM (Ayrrey)

fe.

he

le

Je

norte TiS OCOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL Li FENSE OF THE UNITED STATLS WITHIN THE MEANING OF The LSPIONAGE ACT, "OU
3) AND 32. AS AMFNDED,

30th Air Division

_ CoAT, PC UNCLASS FEN

eLSEMION)
AIR INTELLIGENCE INFORMATION REPORT

REPORT Nu, |

TR5)=5 Lis PAGE 3 or 3 PAGES

—-—=<

0857 EST = Clouds; 6,000 scattered.

Visibility; 30 miles.
Wy 16 mphe

Altimeter; Cll.

Wines 5

0928 EST = Clouds; Estimated 6,500 broken.
Winds; Sw, 17 mphe Temp; 71.

Visibility; 30 miles.
Altimeter; O12.

100); EST = Clouds; 6,000 scattered.
SJ 20 mphe

Visibility; 30 miles.
Altimeter; 013.

WLnds 5

hetivity or Conditions:

yuard reported that object was first observed 300 feet from

the top of a ridge of snall hills running East end West and that

are Situated North of Plant K-256 Object was rising straicht up into

the air and went to the base of the cloud layer. Tt then started back
down (straight) until it was approximately 300 feet from the ridge
agains The object then started back up et about a 5 degree angle to
the left and went into the cloudse Object came oub of the clouds end
straight down to approximately 300 feet of the ridge azaine It then

started to make a circle rising slowly during this maneuver ond then

went up into the clouds at about a 20 degree anple disappearing com=

pletely into the cloudss lo further sighting of the object was made.
Total time of observations was two minutes.

Physical Evidence:

None

Interception or Identification:

Object was first sighted at 0515 EST hy gg. end no mention
was made that object was airborne when reported. Therefore CCT was
not notified by the Security Section. ‘The security Section thinking

the object was ground forces, sent patrols to investigate. After
not finding anything, the Security Section called Guarda at

1000 EST and then it was found that the object was airborne at all

timese At 1002 EST, GCL was notified and tuo F-'7s were sent over to
the areas However, the object had disappeared and no interception
was madee |

Airborne Aircraft:

Two F-l'/s that were in the
tempt an interception.

air as Co

mbat Air Pabrol were used to ate

PREPARED RY:
DOWNGRADED AT & YEAR INTERV,

DECLASEIFICD ARTES 72>

i A } ; ; f ty "] ;

s/t/ ROBERT K. HALL
Cap tain ion

ee © Y

».C-
ITS TRANSMISSION OH THE PEVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON 15 PRONIHITED BY LAW.

IT MAY NOT BE /EPRODUCED IN WHOLE OR IM PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES, EXCEPT LY PERMISSION OF THE DIKECTOR OF

INTELLIGENCE, USAF.

~ mew Fe

arr eS

PAE INCVASSIFIED

’

a

Que -— o~ - em ee
- ype Py “SA, fh CIT OMOTO“| TP US GONEMN MENT PHON TING CRDICE Lyme fim ite
See 24 P ia ee ve mT a

EXTRACT FIOM STATUS REPORT #2

Dita: 7 Dee 4

TIME (Local): 0615 |
LOCATION: Oak Nidze, @enn.
LENGTH OF TLE OBSERVED: 2 Itin iy 8 |
SOUND: None

SPSED: Hich, |
ALTITUDE: Yaried rs.) :
HEADING ¢ none

SOURCES Civilien Guard

ACTION OR COMMENTS: Mo conclusions ‘ . -_—

i. 7 * a ee - “+ 7 - arir A ca
: to be square, rose and descended throe

fe
tines at hich rate of speed, Neither radar nor fighter
atrerafm could mre contact,

DESCRIPTION OF INCIDENT: Onject apvoan

ee a eee