PROJECT BLUE BOOK

4
U
- PROJECT 10073 RECORD
1. DATE - TIME GROUP .OCATION
9 June 49 09/2100-2200Z Tioga, Colorado 370
3 SOURCE 10. CONCLUSION
Civilian BALLOON
4. NUMBER OF O3JECTS
Five
5. LENGTH OF OBSERVATION 11. BRIEF SUMMARY AND ANALYSIS
15 Seconds Observer sighted five objects flying in formation at an estimal
ted speed of 500-600 mph objects wer flying in two echc
6. TYPE OF OBSERVATION longs s two flying parallel more
Ground-Visual which changed position in.relationship to fron two.
The possibility exists that t objects
7. COURSE of cosmis upper air research balloons.
NE
. PHOTOS :
Yes
X No
9. PHYSICAL EVIDENCE
Yos
FORM
FTD SEP 63 0-329 (TDE) used.
CONTROL NO.sUBJECh Ind DecIMAL FILE no. FOLLOW UP ON
B - 793 Project GRULGE
CONE. DATE
DATED
.
ill

rear
l.e.-No.I
3. with reference. paragraph indorsement, there are no
know aerial resear ch agencies the vicinity of Tioga, Colorado. The
only educational institutions of any size in the nearby vicinity are
Pueblo Junior College and Trinidad Junior Col and neither engage
in any of th type of work.
Xfeibe
L.J. SEIBERT -
Major, USAF
.
ill

osI, that agenoy has been asked to contact you in order to determine
your requirements in this matter. furthe investigation of
this inoident.
. This Headquarters would weloome tions
you may care to regarding this inoident.
Sincerely yours,
Rpt of Lt Colonel, USAF
(1-4pg*) (c) Aoting Chief, A Analysi ivision
Intelligence Department
? F
1
2
.
E
53 E
UNCIAS
- 0094
.

FM CHF NYAFPFO AMC NEWYORK
TO CG AMC √
AF GRNC
14-804
2D 0 1-60.I COMIANDING
FF
UNCL
Inc
. .

ll. Direction from observer West
l2. Distance from observer
13. Direction of flight of object(s)
14. Time in sight 15 seconds
15. Speed 500-600 MPH
16. Sound and odor No sound
17. Trail
18. I Luminosity
.'
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{ control no. subject: TwX 'CECIMAL FILE ON
S - 556 Project GRUDGE
- 5-1439 DATE
FROm: DATED 7/14/49
TO: IAXS No. Incls
Recording AXT-1 DATE 7/15/49
1030
DESK RECORDED
ROUTED TO SUSPENSE ESTABLISHED BY (INITIALS DATE
- Hhur
IAXS NIR
19μy.
2
.
-
4

7. Reliability of observer: No opinion
8. Notes relative to observer on
I a. Sightings in general: None
How attention was drawn t objects: Directly in
flight path.
(1) Sound: Unknown
(2) Motion: Stationary
None .
10. Comments nterrogator ntelligence and character
of person interrogated: No opinion.
RELATIVE TO RADAR SIGHTINGS
_
2. If S 3
DOWNGRADED AT 3 YEAR INTER GENERAL UNCLASSIFIED
DECLASSIFIED AFTER 12 YEA:
DOD DIR 5EOO.10
*
+
.

mak-
ing comp son of soils: Unknown.
6. If object came
objects, check surfaces with Geiger cour possi ible radio-
affected aircraft objects:
Unknown.
. 7. Obtain photographs:
8. Not obtained.
9. Obtain fragme: None
CO, FS ..
UNCLASSIFIED DOD DIR
-
5
+
i

a no theasterly direction weon five and six
hundred miles per hou elons - two
flying parallel changed
positicn in relation ht to
left and back behind lead sight for
an estimated fifteen seconds Extensiv estirat e vicinity
of Tioga, Gardner an other
witnesses t
LS:
DOWNGR ARS.
DOD DHK BEUS.10 Calloon
DISTRIBUTION ACTION COPY FORWARDED TO FILE STAMP
OG, AMO, Tright-
Patterson AFB 4 CG, AiC, Wright-I Patterson
CG, 15A7 1 AFB, ATTN: MCIZXO-3
Director of 2
Intelligence,
USAF 1
OSI Hq 1
File 1 APPROVED
712
cau vaw,Capt
31
UNCLASSIFIED -2
L. J. SEBERT, Major, USAF
DISTRICT COMMANDER
AFCSI FORM
23 JULY 1948
.

feet towards
ones he was observing, hs watched them they we sicht
estimated that they were hour.
wo echelons rallel to
each other in front e remaining three obje and rear or
the two front objects and were formed in a triangular formation. The flicht
in diameter and appeared perfectly
color. Mr atated they were about the size he would think an AT-6
aircraft would be. Their direction flight was fr southwest to the
northeast. Due to the altitude, was determine their
means of propulsion or suppo re was no evider any lights s or
exhaust. Also anythin he
-2-
UNCLASSIFIED
Mit

6. On 11 June 1949 attempts s were made to locate other individuals in
the vicinity of Tiogu and Colorado who migh unidentified
objects. These attempts results.
AT PUEBLO, COLCRADO
7. At approximately June l949 an interview was held
Heather Bureau, unicipal
Airport, Pueblo, Colorado in attempt rtain the weather conditions in
the vicinity f Tioga at the time o the sighting. A check of the reports

.
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i
1

5
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4

THE INSPLCTOR GUNERAL
! 1 2 JUL 1949
TO .. CCM.ANDING GENER.L OFFICE CF SPECIAL INVESTIGATIONS
AIR MATERIEL COMAND STH DISINCT
WRIGHT-P-TTARSON AFB
DAYTON, CHIO ROUTE TO FILE
1. Forwarded Investigation S4-33
INVESTIG-TION OF UNILENTIFILD AAIAL CBJLOCS
re TIOGA, COLORADO for your
information and any action deemed advisable. -
is invited to the provision Regulation
205-6, 18 May 1949.
THRU: The Inspect eral. USAF. 5th ce of Special
Investigati on, Ohio
TO: The Inspector General, USAF, 1Lth District Office
Investigations, Lowry AFB, ! Denver, Colorado
1. The followin additional information is desired relative to the
sighting reported by inclosure to basic letter.
TTAL UNCLASSIFIED
1

it is, therefore, desire
Doolittle Ranch, P. fur-
ther investigation of is incident.
5. view of Dr. Valley's Advisory
Teard, it expected granted full coone or
.
.
11

1949 Dr. G. E. VALLEY was contacted at Mt. Lvans, orings,
Dr. VALLEY stated that it was s desire to be contacted concerning
the vicinity of Denver because he wished to
be on the bjects VALLHY is research
work on Mt 14,260 feet, an vantage
point felt any objects in vicinity, he might be
suggested tha t District Off: and 17 be notifiet the above
3
4
3/
SRCH UNITED STATES AIR FORCE
INDEX THE INSPECTOR R GENERAL
SERIAL - E
(LSFY. AUG 1949
FILE- .
OFFICE OF SPECIAL INVESTIGATIONS
STH DISTRICT
ROUTE 10
UNCLAS
141-41
.
1/