PROJECT BLUE BOOK

PROJECT 10073 RECORD CARD

clutter. Speed established eat 4090 knots.

ATIC FORM 329 (REV 26 SEP 52)

G LOCATION 112. CONCLUSIONS a
ra . . i hak as : 0 Was Balloon
7 Nov ol Arlington Heights. Illinois 0 Probably Balloon
3. DATE-TIME GROUP | 4 TYPE OF OBSERVATION 0 Possibly Bollcon
a O Was Aircroft
Local . D Ground- Vi evel 0D Ground-Redor nO Probably Alvesett
cmt__O(072 52 D Air Visual D Air-Intercept Redar | Possibly Aircrofs
5. PHOTOS 6. SOURCE O Was Astronomico!
O Yes O Probobly Astronomicol
XKNe Military end Civilian GO Possibly Astronomicol
7. LENGTH-OF OBSERVATION | 8. NUMBER OF OBJECTS | 9. COURSE 0 Other
¥D per pat Dota for Evaluction
0O Unknown
1 min 3
10. BRIEF SUMMARY OF SIGHTING 5 OOjts In trail at ~GA(N. COMMENTS LYpe OF radar not inciuced.
speed azimuth 1.5°, elev unknown. Lost in grcungkadar analyst not abae to eve uate withou

knowing scope operation chara
such as

- °
US

a*+anmiec«ktiac
cveristics

number of rpm's etc.
insufficient data.

listed

. -
aye So) —

c

DEPARTMENT OF THE AIR FORGE
STARE MESSAGE BRANCH

ACTION: CIN-17

INFO : OOP-2, oor-cP-1, @ke3-3) (24)

SM3 C 285
MNNZCZCHQE561ZCYJE@49

PP RJEZHQ

DE RJEDAH 46

ZNR

P 072845Z

FM CHADS TRUAX FLD WIS
TO RJWFAL/ADC ENT AFB COLO
ZEN/SZADIV TRUAX FLD WIS
RJEDSS/ATIC WP AFB OHIO
RJEZHS/COFS USAF WASHDC

RJEZHO/OSAF WAHSDC
BT

UNCLAS CHOIN 11009-61. SUBJECT: UFO. FOR INTELL-

IGENCE CADOIN, 30-OIN) AND SAFOI. REF PAR 15, AFR 200-2.

Ae €1)-€3) NOT REPORTED. €4) THREE (5) IN TRAIL €6)-€9) NOT

REPORTED. Be €1) HIGH SPEED (2) NO ELEVATION; AZIMUTH APPROX

115 DEGREES (3) SAME AS (2) (4) NO MANEUVERING (5) TWO INTO

GROUND CLUTTER, OTHER UNKNOWN. (6) ONE MINUTE EACH. Co. (1)

RADAR. (2)€3) NONE. De. (1) 7 NOV 1961, @755A (2) NIGHT. E. C1)

38 DEG 22 MIN WEST 42 DGE @5 MIN NORTH. (2) GJCNO105. F. (1)

Glace eniieqaes eee, 3.) MPL OvED BY THE

MARTIN COMPANY. (2) LT <—<imnam, 17 QOMqMMR 2ND LIEUTENANTS

(DEPARTMENT QF THE Aig Foxce =

STARE MESSAGE BRANCH
UNSLASBAED Mi@SAGE

INCOMING

AP IN: 54850 (7 Nov 61) Page 2 of 3

PAGE TWO RJEDAH 46

US ARMY, 45 ARTILILLARY BRIGADE, ARLINGTON HEIGHTS, ILLINOIS
(MISSILE MASTER). G (1) NONE (2) A 210/853 B27@/25; C 290/45;

D 290/50; E 328/60; F 340/80; G 276/40; H UNK. (3) 4000 FT

(4) 15 MILES (5) SCATTERED (6) NONE. H. NONE. I. NONE J NONE
REPORTED Ke 2LT BORLAND 45 ARTY BRIGADE (2) SEE M,

BELOW. (3) NONE L. NONE M. THE FOLLOWING STATEMENT WAS SENT
WITH THE REPORT OF THIS SIGHTING: AT APPROXIMATELY @755Z, 7 NOV
1961, SEVERAL EMPLOYEES OF MARTIN COMPANY AND ARMY PERSONNEL AT
COMMUNICATOR (RE ARTY BRIGADE) OBSERVED THREE UNUSUAL RADAR
RETURNS ON THE LONG RANGE RADAR. THREE OBJECTS WERE OBSERVED
APPROCHING THE CHICAGO AREA FROM ESE WITH 3@ SECOND SEPARATION

AT SPEEDS IN EXCESS OF 4000 KNOTS (FOUR THOUSAND KNOTS) THE

RADAR RETURN WAS VERY SHARP WITH THE VIDEO TILTED ABOUT 58 DEGREES
DUE TO THE GIGH SPEED OF OBJECTS. AN ATTEMPT WAS MADE TO

DETERMINE THE ALTITUDE OF THE OBJECTS BUT THEIR SPEED WAS BEYOND
CAPABILITY OF THE EQUIPMENT. THE FIRST TWO OBJECTS VANISHED

IN THE GROUND CLUTTER AND DID NOT REAPPEAR. THE THIRD OBJECT
VANISHED ABOUT 128,888 YARDS PRIOR TO REACHING THE GROUND CLUTTER.
| IMMEDIATELY AFTER THESE SIGHTINGS, THE EQUIPMENT WAS TESTED AND
FOUND TO BE IN PERFECT OPERATING ORDER. STATEMENT TAKEN BY

( DEPARTMENT CE THE AIR FORCE .

STAR MESSAGE BRANCH
UNCLASSIRED é6SAGE

INCOMING

AF IN: 54850 (7 Nov 61) Page 3 of 3

PAGE THREE RJEDAH 46

FORREST L POSKA, 2LT ARTILLARY, AIR DEF ARTY DIRECTOR, CHICAGO
ADS
BT

17/2@46Z NOV RJEDAH

——-—- Se oe hoe el
r= a th ar $y