PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE7438947

DATE OF SIGHTINGJuly 1965

REPORTED LOCATIONTruax Field Wisconsin

FRAMES4

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Transcribed Frames

FRAME 001 / 004paddle-gpu-200dpi

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1. DATF · TIME GROUP 2. LOCATION
25 July 65 26/0230Z Truax Field, Hsconsin
3. SOURCE 10. CONCLUSION
Ground Radar (lilitary AIRCRAFT
4. MUMBER OF OBJECTS Rndar snalists regrd track as retun fron a/e ao the post
One Likely canse.
5. LENGTH OF OBSERVATION 11. BRIEF SUMARY AND ANALYSIS
10 linut es Radar retum of high speed tradk.
6. TYPE OF OBSERVATION
Crou-LAOAR
7. COURSE
SV SM
8. PHOTOS 8. . PHOTOS
D Y.s Yes
N EN
9. 9. PHYSICA PHYSI VIDENCE DENCE
Yos
RXN.
FORM
FTD SEP63 0-329 (TDE) FTD SEP 63 0-329 (TDE) Previous edilions of this form may oo used. may bo uged.

FRAME 002 / 004paddle-gpu-200dpi

Major, USAF
Chief, Aerial Phenomena Branch
AUG 10 1965
TO: TDEW (Maj. H. Quintanilla, Jr)
is too meager is too meager
to allow a firm evaluation to be made. However, by a process of elimina- to allow a firm evaluation to be made. However, by a process of elimina-
tion it appears that the speed of the target was too slow fo appears that the speed of th targe too sl a meteor,
but the speed and altitude are compatible but the speed and altitude are compatible a high performnce (possibly
experimental aircraft. There being no ason to consic
false, or the radar as malfunctioning, the high performance aircraft re-
mains the most logical explanation.
JOWN W. VEGA 1 Atch
Lt. Colonel, USAF n/c
Actg Director
Electronics Directorate
Deputy for Technology and Subsystems
A8
YOU - THE NUCLEUS OF SECURITY!

FRAME 003 / 004paddle-gpu-200dpi

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UNCLASSIFIED
DEPARTMENT OF THE AIR FORCE TOI AYS
STAFF MESSAGE BRANCH OS
INCOMING MESSAGE OSA
0S3
33883 (26 Jul 65) G/ab Page 1 e 35
AFIN : RR
SAF-OS-3) IL
ACTION: ILA
INFO : NEN-7 (11) ILI
ILP
SMB B081 TLS
TYT
CZCHQB 28ZCYJX761 EA
R2
PP RUEAHQ MPP
DE RUCDAH 41 2072207 MPR
A
ZNR UUUUU
P 262203Z ZEX GC
Of
FM HQ CHICAGO ADS TRUAX FLD WIS LE
89
TO RUWGALE/AIR DEFENSE COMMAND DSMG
RUEAHQ/SECRETARY OF THE AF WASH D C
BT
DESCRIPTION OF OBJECT: NUMBER - ONE. PERTINENT FEATURES
DETECTED ON RADAR. DESCRIPTION OF COURSE OF OBJECT.
WHY NOTICED - PICKED UP ON AD
FIRST DETECTED - 4210N 08630W AT 100,000 FT. POSIIION .
HEADING AT SPEED OF OVER ONE THOUSAND KNOTS AT ONE
HUNDRED THOUSAND FEET ALTITUDE. MANNER O OF DISAPPI RANCE
- LOST RADAR CONTACT. LENGIH OF TIME IN SIGHT -10

FRAME 004 / 004paddle-gpu-200dpi

(LOWPOWER SURVEILLANCE). TIME & DATE K26/0230-0240Z.
LIGHT CONDITIONS NIGHT. LOCATION OF OSSERVER -
4ISSN 08802W OR I4 MILES WEST OF O'HARA A/F. OBSERVER i
ARMY AIR DEFENSE MISSILE SITE (ARADCOM SITE C-72).
ESTIMATE OF RELIABILITY - GOOD. ASW ACCOUNT OF WIND
DIRECTION AND VELOCITY. SURFACE - CALM. 6000 FT -
C20 DEGREES AT 10 KNOTS. 10,000 FI3 020 DEGREES AT 10 0 KNOTS. 10,000 FT 310 DEGREES AT 310 DEGREES AT
25 KNOTS. 15,000 FT - 310 DEGREES AT 20 KNOTS. 20,000 25 KNOTS. 15,000 FT - 310 DEGREES AT 20 KNOTS. 20,000
FT - 300 DEGREES AT 40 KNOTS. 30, 000 FT - 290 DEGREES
AT 50 KNOTS. 50,000 FT - 280 DEGREES AT 0 KNOTS.
80,009 FT - B90 DEGREES AT 15 KNOIS. CEILING 80,000 FT - B90 DEGREES AT 15 KNOTS. CEILING NONE.
VISIBILITY - 15 MILES PLUS. NO CLOUD COVER. NO THUN- CLOUD COVER. NO THUN-
DERSTORMS NOR UNUSUAL ACTIVITY IN AREA. INTERCEPT
ACTION TAKEN - NONE. NO KNOWN AIR TRAFFIC IN AREA AT
THAT ALTITUDE. PREPARING OFFICER INTELLIGAENCE OFFICER
CHICAGO AIR DEFENSE SECTOR. PRELIMINARY ANALYSIS OF
POSSIBLE CAUSE OF SIGHTING POSSIBLE TEST AIRCRAFT
OR MALFUNCTI ON OF RADAR. NO PHYSICAL EVIDENCE
AVAILABLE.
BI
- "