DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE
PROJECT BLUE BOOK
UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE7008634
DATE OF SIGHTINGAugust 1951
REPORTED LOCATIONSan Antonio Texas
FRAMES6
Machine transcription · mean legibility 90.9/100 ·
engines: paddle-gpu-200dpi
Transcribed Frames
FRAME 001 / 006paddle-gpu-200dpi
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1
3
1. DATE 2. LOCATION 12. CONCLUSIONS
a Was Balloon
26 Aug 51 San Antonio, Texas 0 Probably Balloon
3. DATE-TIME E GROUP |4. TYPE OF OBSERVATION 0 Possibly Balloon
Local 1658 JXGround-Visual Ground-Radar 0 Was Aircraft
26/2058z 00 Probably Aircraft
GMT. Air-Visual Air-Intercept Radar Possibly Aircraft
5. PHOTOS 6. SOURCE Was Astronomical Meteor
Ys 00 Probably Astronomical
No NW Possibly Astronomical
7. LENGTH OF OBSERVATION . NUMBER COURSE Other_
000 Insufficient Data for Evaluation
Unknown
10 sec 1 NW
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
Color was dark. Shape sketch. Speed was high. Evaluated eor.
viation from
course Nosound
FRAME 002 / 006paddle-gpu-200dpi
HEADQUARTERS FOURTH ARMY
FORT SAM HOUSTON, TEXAS
Office of S,G-2
000.9 AKADB-I 28 August 1951
SUBJECT:
TO: Fourteenth Air Force Liaison
Brooks Air Force Base
San Antonio, Texas
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The inclosed Guide to Investigation concerning unidentified
aerial object observed on 26 August 195 by Mr.
San forvarded for your informa-
tion.
1 Incl GEORGE A.A-JONES
Guide to Inves (dup) Colonel,"GS
AC of S,
APM
1st Ind
Tiaigon Awnvr Rraaka 31 Aug 1951
Number 200-1 dated 12 February 1951.
2 Please note that Fourth Army has dven this report no ..
security classification. i
:
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DiinA .
1 Incl n/c GUY H. GAIE
Colonel, USAF
AF Liaison Officer
to Fourth Army 3712
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10 :
-36
; 73921
2 - 23
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FRAME 003 / 006paddle-gpu-200dpi
on Unconvent nal Aircraft."
2. Attached covering classified
CONFIDENTIAL under authority of ConAC February 195l.
FOR THE COMMANDING GEMERAL:
NG
P.BONNE
1 Incl Colonel, USAF
n/c Adnuitint General
Cy furnished:
CG, ConAC,
Attn: Dir of igence
IB
DECLASSIFIED AFTER 12 YEARS. DOD DIR 5200.10
S1k,11
ATIC_/7392
2 4729
yS TO
UNCLASSIFIED
FRAME 004 / 006paddle-gpu-200dpi
8. c Color of objoct: Dark-
. Shap ic doscript: novm object):
10. Altitude (Angle of elevati overhead):
Very high altitude
11 Direction fme
DECLASSIFIED AFTER 12 YEARS.
14. Time in sight: Ten seconds DOD DIR 5200.10
15. S rdistange High rate of speed
l. Sound and odor: No sound, no odor_ 518.11
17. T
Luminosity r- O egrce of
brilliance): Dark - no other color visible.
None
17392-1
elieat pathA:iNo doviation
7 from course.
UNCLASSIFIED
FRAME 005 / 006paddle-gpu-200dpi
Did glassos, ospo 17v pola glassos of sight-
ing, or was objoct vioved hrough Ow, or transparont
matorial?
Informant was not wearing glasses interview. It was
not knom whether he had them on at th ne time of the sighting.
DOWN DED AT 3 YEAR INTERVALS;
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10
51811
ATC
SFC
ASSIFIED
FRAME 006 / 006paddle-gpu-200dpi
ALTITUDE: Very high
a
HEADIG: 315
SOURCE: Retired Arny Officer .
ACTTON OR COMENTS: No investigation .
resembling 2 delta wing aircraft
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