28949439.pdf

PROJECT 10073 RECORD CARD

|  1. DATE | 14 Sep 52  |   |
| --- | --- | --- |
|  2. LOCATION | Operation MAINPLACE  |   |
|  3. DATE-THROPHOP | Local | OUT  |
|  4. TYPE OF OBSERVATION | ☐ Owned-Visual ☐ Owned-Reder ☐ Arrested-App't  |   |
|  5. PHOTOS | ☐ Yes ☐ No  |   |
|  6. SOURCE | Varied military personnel  |   |
|  7. LENGTH OF OBSERVATION | 3  |   |
|  8. NUMBER OF OBJECTS | 3  |   |
|  9. COURSE |   |   |
|  10. BRIEF SUMMARY OF SIGHTING | Three objects in triangular formation flew at high speed bearing 320°. Objects were in level flight at altitude of 1000 meters. Officer on Denich de…

UNCLASSIFIED
ATTA
ATTA
303. AT
4. C. Files

C-1 REFERRED
FM CNO WASH DC 221331Z
INFO CINCLANTFLT
CG ENT AFB COLO
ATIC WPAFB

PURAPHASE NOT RECORDED. SEE ORYPID-CENTER
LITTLE DECLASSIFIED 10-14-65 HJ

FOLLOWING SUBMITTED BY WHO EVALUATES
A-2. 2213A SEP 14 AT 55 DEGREES 29 MINUTES NORTH
14 DEGREES 52.5 MINUTES EAST 3 RAPIDLY MOVING FLYING OBJECTS
OBSERVED IN LEVEL FLIGHT; ALTITUDE APPROX 1000 METERS, BEARING
320 DEGREES TRUE, ANGLE OF ELEVATION 40-50 DEGREES, COURSE
SOUTH. PARA BODIES, IN TRIANGULAR FORMATION APEX TO SOUTH,
CHANGED BEARING FROM 320 TO 240 IN 5-10 SECONDS. OBJECTS MADE NO
NOISE, …

48

GLOWING OBJECT

COPENHAGEN, DENMARK-(AP)-LT. COMMANDER SECOND IN COMMAND OF THE DANISH DESTROYER SAID TODAY HE OBSERVED A MYSTERIOUS GLOWING OBJECT MOVING ACROSS THE SKY AT GREAT SPEED NORTH OF THE ISLAND OF BERNHOLM LAST NIGHT, HEADING SOUTHEAST. HE DESCRIBED IT AS A BLUISH GLOWING TRIANGLE AND ESTIMATED ITS SPEED AT 1,500 KILOMETERS (932 MILES) AN HOUR. THE IS ONE OF THE VESSELS PARTICIPATING IN OPERATION MAINBRACE. GG616P 9/14

1500,000 mules/hr
4500,000 feet

Make 5XB Blue Card
date 14 Sept 52

ACTION
UNCLASSIFIED

TO ATIAA-5 RUPPELT FR AFOIN-2A2 FOURNET
FOLG CONF MSG RECD FR ALUSNA COPENNAGEN
DTG 191521Z SEP 52:

"FOLLOWING SUBMITTED BY" WHO
EVALUATES A-2. 2213A SEP-14 AT 55 DEG
29 MIN NORTH 14 DEG 52.5 MIN EAST 3
RAPIDLY MOVING FLYING OBJECTS OBSERVED IN
LEVEL FLIGHT; ALTITUDE APPROX 1000 METERS,
BEARING 320 DEG TRUE, ANGLE OF ELEVATION
40-50 DEG, COURSE SOUTH. BODIES IN
TRIANGULAR FORMATION APEX TO SOUTH,
CHANGED BEARING FROM 320 TO 240 IN 5-10
SECONDS. OBJECTS MADE NO NOISE, NO SMOKE,
THERE APPEARED TO BE WHITE LIGHT FROM
EXHAUST. COMMENT, DISTANCE TO OBJECTS NOT
SPECIFIED. SOURC…

20/21 SEP MENTION PHOTO OF AN OBJECT TAKEN BY AMERICAN PHOTOGRAPHER, NEAR NAVAL FORCE OF OPERATION MAINBRACE. DATE, LOCATION AND DESCRIPTION NOT GIVEN.

PRESS ALSO MENTIONS SIGHTING MADE BY 6 BRITISH AIRMEN, PRESUMBLY WHILE AIRBORNE, WHO WERE PARTICIPATING IN MAINBRACE, DATE AND LOCATION USPECIFIED. AIRMEN STATED OBJECT FASTER THAN SHOOTING STAR, CAREFERED THROUGH AIR AND CHANGED COURSE OVER MANEVER AREA. BRITISH AIRMEN COMMENTED PROBABLE OPTICAL ILLUSION BUT ADMIRAL SUPERME ALLIED CMDR ATLANTIC, ALLEGEDLY HAD FORMAL BRIEFING ON REPORT. ITEM ALSO STATES OFFICIALS AT AN OPERATING BASE, PRESUMAB…

HARRY S. TRUMAN LIBRARY U.S. GOVERNMENT NATIONAL ARCHIVES AND RECORDS SERVICE

HEADQUARTERS
FOREIGN TECHNOLOGY DIVISION
AIR FORCE SYSTEMS COMMAND
UNITED STATES AIR FORCE
WRIGHT-PATTERSON AIR FORCE BASE, OHIO

19 Sep 52 17 AFR 1952

REPLY TO
ATTN OF: TD-E/Lt Col Friend
SUBJECT: Request for Information

TO: Hq USAF
SAFOI-3b (Major Hart)
Wash 25 DC

1. Reference the attached letter from Mr. [redacted] dated 28 March 1962. The following information is forwarded for assistance in preparation of a reply to Mr. [redacted].

2. The exercise Mainbrace pictures consisted of three color slides taken by a…

4-25-62
England.
28/3/1962.

Dear Sir,

I should be grateful if you
would send me any photographs you
have of the "Exercise Mainbraze" U.F.O.
(19th Sept. 1952)

Yours faithfully,