28940327.pdf

PROJECT 10973 RECORD CARD

|  1. DATE | 2. LOCATION | 12. CONCLUSIONS  |
| --- | --- | --- |
|  24 November 1951 | Mankato, Minnesota | ☐ Was Balloon ☐ Probably Balloon ☐ Possibly Balloon  |
|  3. DATE-TIME GROUP | 4. TYPE OF OBSERVATION | ☐ Was Aircraft ☐ Probably Aircraft ☐ Possibly Aircraft  |
|  Local GMT 24/2153Z | ☐ Ground-Visual ☐ Ground-Radar ☑ Air-Visual ☐ Air-Intercept Radar | ☐ Was Astronomical ☐ Probably Astronomical ☐ Possibly Astronomical  |
|  5. PHOTOS | 6. SOURCE | ☐ Other UNIDENTIFIED  |
|  ☐ Yes ☑ No | Military | ☐ Insufficient Data for Evaluation ☐ Unknown  |
|  7. LENGTH O…

UNCLASSIFIED
26
HEADQUARTERS
31ST AIR DIVISION
FORT SNELLING, MINNESOTA
SUBJECT: Sighting of Unconventional Aircraft
4 DEC 1951

TO: Commanding General
Air Material Command
ATTN: MGIS
Wright-Patterson Air Force Base
Dayton, Ohio

The attached Air Intelligence Information Report is forwarded in accordance with paragraph 5b of ADC Letter 200-1, dated 11 April 1951.

FOR THE COMMANDING GENERAL:

1 Incl
Air Intel Info Rpt (in dup)

DOWNGRADED AT 3 YEAR INTERVALS;
DECLASSIFIED AFTER 12 YEARS.
DOD DIR 5200.10

UNCLASSIFIED
CONFIDENTIAL
CONFIDENTIAL

AF FORM 112--PART I
approved 1 June 1948
CONFIDENTIAL
(Classification)
UNCLASSIFIED

|  Country | U.S.A. | Report No. |  | (Leave Blank)  |
| --- | --- | --- | --- | --- |
|  AIR INTELLIGENCE INFORMATION REPORT  |   |   |   |   |
|  Subject: Report of Unusual Airborne Object  |   |   |   |   |
|  Area Reported On: 40 SW of Minneapolis  |   |   |   |   |
|  From (Agency)  |   |   |   |   |
|  Date of Report: 1 December 1951  |   |   |   |   |
|  Date of Information: 24 November 1951  |   |   |   |   |
|  Evaluation |   | Source: Final Observation  |   |   |
|  Prepared by (Officer) Captain Will…

AF FORM 112---PART II
APPROVED 1 June 1948
ENCLASSIFIED
(Classification)
AIR INTELLIGENCE INFORMATION REPORT

|  From (Agency) | Report No. | Page 1 of 1 Pages  |
| --- | --- | --- |
|  ADCL 200-1 | 5a1 a. Shape- similar to the Northrup Flying Wing. Size - approximately eight (8) feet across. Color-milky white. Number-one. No trail or exhaust, no sound, no maneuvers. Speed undetermined. Disappeared in the distance. b. Time sighted 24/2153Z November. Duration of observation approximately five (5) seconds. c. Observed from an F-51 at 25,000 feet 210 IAS. Visual observation. d. Location of observ…

UNCLASSIFIED
CONFIDENTIAL

UNCLASSIFIED
JOINT MESSAGEFORM
CONFIDENTIAL

SPACE ABOVE FOR COMMUNICATIONS CENTER ONLY

FROM: (Originator)
CO, ATIC

TO: Commanding Officer
11st Air Division
ATTN: Director of Intelligence
Ft. Snelling, Minn.
R A S H O T E

INFO: D/K, Hq USAF, Washington 25, D.C.
R A S H O T E

Reference AF Form 112 submitted by your Division dated 1 December 1951, subj: "Report of Unusual Airborne Object", please advise immediately the names and home station of the F-51 pilots involved.

In reply cite Project Grudge.

DOWNGRADED AT 2 YEAR INTERVALS:
DECLASSIFIED AFTER 12 YEARS.
DOD…

UNCLASSIFIED
PARAPHASE NOT REQUIRED. SEE CRYPTO-CENTER BEFORE DECLASSIFYING
DTS Removal for

C-1 CONFIDENTIAL OPERATIONAL IMMEDIATE
FM CG 31 AIR DIV FORT SNELLING MINN
TO AMC WPAFB OHIO FOR CO ATIC
INFO CG USAF WASH DC

W4-22

REFURMSG PROJECT GRUDGE, THE FOLG IS SUBMITTED: CAPT
WILLIAM H FAIRBROTHER, 15961A673 AC AND W SQ FORT SNELLING, MINN
CAPT DOUGLAS E STEWART, 22680A673 AC AND W SQ FORT SNELLING MINN

DOWNGRADED AT 3 YEAR INTERVALS:
DECLASSIFIED AFTER 12 YEARS
DOD DIR 5200.10

515-1825'29-
1- AT 177
2- AT 17
3- AT 1
UNCLASSIFIED

NR7130

EXTRACT FROM STATUS REPORT # 2

DATE: 24 Nov 51
TIME (Local): 1553
LOCATION: Minneapolis, Minn.
LENGTH OF TIME OBSERVED: Unknown
SOUND: None
SPEED: Nevering
ALTITUDE: 25,000'
HEADING: 90°
SOURCE: AF Pilot
ACTION OR COMMENTS: Pending
DESCRIPTION OF INCIDENT: Flying wing shaped object.

EXTRACT FROM STATUS REPORT # 3

DATE: 24 Nov 51
TIME (Local): 1553
LOCATION: Minneapolis, Minn.
LENGTH OF TIME OBSERVED: Unknown
SOUND: None
SPEED: Hovering
ALTITUDE: 25,000'
HEADING: 90°
SOURCE: AF Pilot
ACTION OR COMMENTS: No conclusions.
DESCRIPTION OF INCIDENT: Flying wing shaped object.