PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE7008099

DATE OF SIGHTINGJuly 1951

REPORTED LOCATIONSelfridge AFB Mich

FRAMES5

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Machine transcription · mean legibility 83.2/100 · engines: paddle-gpu-200dpi

Transcribed Frames

FRAME 001 / 005paddle-gpu-200dpi

. .
PROJECT 7.
1. DATE 2. LOCATION 12. CONCLUSIONS
30 July 1951 Selfridge AFB, Mich 0 Was Balloon
0 Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION D Possibly Balloon
Locol Bet 1114Z & 1132Z Ground-Visua! Ground-Radar Was Aircraft
Probably Aircroft
GMT.1114Z AirVisual Air-Intercept Radar 0 Possibly Aircraft
.
5. PHOTOS 6. SOURCE 0 Was Astronomical
Y.s 00 Probably Astronomical
I No Radar Observers Possibly Astronomical Pagation
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS COURSE 8 Other. Anomalous Pro/
Insufficient Data for Evaluation
18 minutes Unknown
1
TO. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
Speed of the blip varied from an estimated Evaluated as Anomalou
3,000 to estimated l 28,000m per houd d.
High scatter clouds. Observatories rept
no observed meteors or similar activity at
the time. Technical representatives conclude
that a certain set of electronic and atmo-
sheric conditi

FRAME 002 / 005paddle-gpu-200dpi

and that the scone presentation was probnbly ceused 'erence from another
radar station located at Elkhorn, Wisconsin.
ball
ROBERT K. HALL
1st Lt.. USAF
Director of
-
1 cy ADC. Ent A Intelligence
1 cy OG, EADF, Stewart lligenco
INTTLLISEICL USAP.
CATION 19-201401
OA 515-1/22

FRAME 003 / 005paddle-gpu-200dpi

to rule out hiact 44A
pheric eineratures.
wod n410l
the radar 20
norts from the station at ire. ind Mivance Ratio
Bureau of Stindards,
Nashington, 117 1951.
DOWNGRADED AT 8 YEAR INTERVALS
DECLASSIFIED AFTER 12 YEARS.
DOD DIR B200.10
NOTE WPMAACN NATMN OFU5UNTIAL 4 109 a
M W OSTANM ANOO THL EVIATION IDLONSINANYVMNR TEXE OYLAW.
UANSATEAREOAN T 1
UNCL

FRAME 004 / 005paddle-gpu-200dpi

reunired.
RO3HAd X. HaZL
let Lt., US.F
Director of Intelligence
DOD DIR 5200.10.
ONAINLINILI VAHINAIELNLILNATIONAL OINOXION THEINIDISTATO WITHINTHE MEANINGO TH LSPTONAGE ACL. SU S.L
ITMAY SOEIVALMMLLIN WU CR INFART, OY OR OAN UNI AOPSAPTORLAOLIV I LACEPI RO PIWSLONOT DHL DRDOT
INOELLMIMCISN
1A
UNCCASSIFIED

FRAME 005 / 005paddle-gpu-200dpi

17 (iLSINS) Milltary
LP Indianepolis, Indlem Multiple Pallooh
14, Rhein Main AB, Germany Military Air Insufricient Data
19 Alexondria, Virginin 1/0
20 Spokane, Vashingtor Not reported ralioon
Iubbock, Tex a (FOLDSR) Hultivls (r010) Othee (rtre)
2 Albuqtirque, NevTerico (Roan) Military UMDENINI3D
26 Elliagton AFB, Texa3 Military Ralloon
35 Bllington AFR, Texas Multiple Insurticient Data :
26 Larson AFB, Vashington Military (RADAR) Other (ELECTRONIC
INTERFERENCE)
2o Son Antonio, Texas Astro (MDTROR)
. 27 Vandalia, Illinots Insufricient Date
8.3 Granier ArS, Nev HasyshLra Insufficient Date
31 Matador, Texes UNIDHITIFTED
Gonzales, Texas (IMFo Ctr) A/C
.
itaber
Spokane, Hashington CA3E) Insu.ricient Date
5 Claremont, Californis Mlitry UNIDNNTTVIED
: Other
Andrews AFB, Wer Astro (105p
Sandy Hook, Bv Jant itralloon
2 Rort Moumouth, K - 1. Bullct
2. Anow.loun Propsgati
2 Ginstanatt, Onto Astro (MEOR)
.