DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE8303323
DATE OF SIGHTINGSeptember 1961
REPORTED LOCATIONGreenbay Wisconsin
FRAMES4

Machine transcription · mean legibility 90.0/100 · engines: paddle-gpu-200dpi

Transcribed Frames

FRAME 001 / 004paddle-gpu-200dpi
PROJECT 10073 RECORD CARD
I. DATE 2 LOCATION 2LOCATION 12. CONCLUSIONS CONCLUSIONS
18 Sep 61 Greenbay, Wisconsin o Was Balloon
3 Probably Balloon
3. DATE-TIME GROUP 3.DATE-TIME GROUP 4.1 4. TYPE OF OBSERVATION TYPE OF OBSERVATION o Possibly Balloon Possibly Balloon
Local 343 Ground-Visual Ground-Visual Ground-Rodar Ground-Rodar Was Aircraft
000 000 Probably Aireraft Probably Aireraft
GMT GMT 181043Z 181943Z AirVisual Air-Intercept Radar Possibly Aircraft
5. PHOTOS SOURCE 00 Was Astronomical Was Astronomical
Ys Yes 000 Probably Astronomical
. X0 No Civilian givilian 0 Possibly Astronomical PossiblyAstronomical
7. LENGTH OF OBSERVATION COURSE Other.
000 Insufficient Data for Evaluation
Unknown
15 min Stationary
BRIEF SUMMARY OF SIGHTING Round, large, ailver. coMMeNTsobjt responsible fOr this sighting
tatiomary. was probubly balloon which was released fp
Greenbay at 1800 Objt was probably not dt
80-go,Ooo' reported by witness but appeardi
Ito be at this altitude due to lack of reft
erence. Direction of objt and correlation
of wind direction tends to substantiate
this objt being Greenbay balloon.
ATIC FORM 329 (REV 26 SEP S2) ATIC forM 329 (REV 26 SEP 52)
.
FRAME 002 / 004paddle-gpu-200dpi
DEPARTMENT OF THE AIR FORCE ..
BB194 ( STAFF MESSAGE BRANCA
UNELASSIFIEO MESSAGE
ZC ZCH@B625ZCYJC512 INCOMI
PP RJEZHQ
DE RJEDAH 36 AF IN: 1852 (19 Sep 61) G/eld
ZNR ACTION: CIN-17
P 191830Z INFO : OOP-2, SAFS-3 0OP-CP-1 (24)
FM CHADS TRUAX FLD WISC
TO RJWFAL/ADC ENT AFB COLO
ZEN/30 AIRDIV TRUAX FLD WISC
RJEDSQ/ATIC WRIGHT-PATTERSON RJEDSQ/ATIC WRIGHT-PATTERSON AFB OHIO AFB OHIO e
RJEZHQ/COFS USAF Fe
RJEZHQ/OSAF WASH WASH 25 DC 25 DC
BT BT
UNCLASSIFIED/CHOIN 9030. SUBJ: UFO. FOR INTELLIGENCE, UNCLASSIFIED/CHOIN 9030. SUBJ: UFO. FOR INTELLIGENCE,
AFCIN, SAFOI, REF PAR 15, AFR 200-2. A (1) ROUND. (2) LARGE
(3) SILVER. (4) ONE OR POSSIBLY TWO. (5) NONE. (6) ROUND.
(7) NONE. (8) NONE. (9) NONE. B (1) UNUSUAL APPEARENCE. (2)
STATIONARY 50 N MILWAUKEE, 80-90,000 FT. (3) SAME. (4) NONE
(5) NONE. (6) 15 MINUTES. C (1) VISUAL. (2) NONE. (3) FOX 15
AT 30,000 FT VICINITY OF GREENBAY. D (1) 18/1943Z. (2) DAY
E (1) 44 DEGREES NORTH 88 DEGREES WEST. (2) VICINITY OF
GREENBAY. F (1) NONE. (2) NONE. G (1) CLEAR. (2) A. SSW 20.
B. 220/30 C. 210/20 D. 240/20. E.260/10. F. 280/15. B. 220750 C. 210720 D. 240720. 2.260710. F. 26071-'.
G. 280/30 H. ESTIMATE WEST LESS THAN G. 280/30 H. ESTIMATE WEST LESS THAN 2(3) 20 NONE.(4)12.
(5) HIGH THIN SCATTERED. (6) NONE. H. (1) NONE." (2) NONE.
(3) NONE. I. NONE. J. NONE. K. S.D. B CREW. (2) NONE.
(3) BALLOON RELEASED BY WX AT (3) BALLOON RELEASED BY WX GREENBAY GREENBAY AT AT T 1800Z L. (1) 1800Z L. 1 NONE.
(2) NONE. M. NONE. (2) NONE. NONE
BT
11
FRAME 003 / 004paddle-gpu-200dpi
FOREIGN TECHNOLOGY DIVISION
AIR FORCE SYSTEMS COMMAND
UNITED STATES AIR FORCE
WRIGHT. CRSON AIR FORCE BASE, OHIO
REPLY TO
ATTN OF: TD-E/Major Friend/vw/69216
SUBJECT: Request for Review 25 Sep 61
TO: TD-El
It is requested that you review the attached reports of a radar sighting
of,an unid flying object and ward your comm entsto this office.
SAF
un
DWARD H. WYNN 1 Atch 1 Atch
Colonel, USAF Inc TWx dtd 22 Sep 61, Inc TWX dtd 22 Sep 61,
Deputy for Science T61-29692 (s). T61-29692 (s).
and Components
When Inclosre wincranr n
attaried, tie clasthration attarlcd, tie clamth ths nthls
- will canccied (maharat cxnccind (mamohanretoge
aervrdane with Paz Pu
A
Cuss lration Ciuss liration
DuT DFTD SRED SPED
LBS.
DOWNGRADED AT 3 YEAR INTERVALS; Date Date
DECLASSIFIED AFTER 12 YEARS. AFR 905-1 Po 2-2a
DOD DIR 5200.10 UNCLARSIFED
25a68
FRAME 004 / 004paddle-gpu-200dpi
- 1
CiLhs
Memo, TD-E (Major Friend), 25 Sep 61, (U) Request for Review
lst Ind (TD-Ela/Mr. (74201 28 September 1961
TO: TD-E (Major Friend)
1. The relatively low speed and high altitude of the subject UFO,
coupled with an erratic course (including hovering), appear to rule
out a normal aircraft target and favor some such target as a weather out a normal alrcraft rget target as a weather
balloon. balloon. .
2. It is suggested that if it is desired to pursue the investigatin
further, a check might be made of activities in the in th area responsible
for launching and tracking weather balloons. for launching tracking weather balloons.
PAUL J. SLOCUM 1 Atch
Coloniel, USAF n/c
Chief, Electronics Division
Deputy for Science and Components
2 c
DOWNGRADED AT 3 YEAR INTERVALS; DOWNGRADED AT 3 YEAR INTERVALS;
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10
We Caucled Wia Gnuelled
UICLASFED CNCLAGFED FID
AFk:05y8m2-17a
2Ja6&
-