28935497.pdf

|  1. DATE - TIME GROUP | 2. PATITION  |
| --- | --- |
|  19 June 1949 19/1700Z | Oak Ridge, Tennessee 380  |
|  3. SOURCE Civilian | 10. CONCLUSION BALLOON  |
|  4. NUMBER OF OBJECTS Three |   |
|  5. LENGTH OF OBSERVATION 12 - 15 Minutes | 11. BRIEF SUMMARY AND ANALYSIS Appeared as a rectangular object. Bright metal on top, dark underneath. Flat circular object, color of frosted glass. Rectangular objects moved in wave-like fashion. Circular object level flight.  |
|  6. TYPE OF OBSERVATION Ground-Visual |   |
|  7. COURSE SE to NW |   |
|  8. PHOTOS ☐ Yes ☑ No |   |
|  9. PHYSICAL EVIDENCE …

UNCLASSIFIED
AFHQ FORM

|  UNITED STATES AIR FORCE THE INSPECTOR GENERAL OFFICE OF SPECIAL INVESTIGATIONS REPORT OF INVESTIGATION | FILE NO. 24-36 | DATE 23 June 1949  |
| --- | --- | --- |
|  REPORT MADE BY ARTHUR J. DALE |   |   |
|  TITLE PROJECT GRUDGE INCIDENT OAKRIDGE, TENNESSEE 19 June 1949 | REPORT MADE AT DO #8, Maxwell AFB PERIOD 20 June 1949 OFFICE OF ORIGIN DO #5, Wright-Patterson AFB STATUS RUC  |   |
|  CHARACTER SPECIAL INQUIRY |   |   |
|  REFERENCE None. This is an initial report. |   |   |
|  SYNOPSIS Three unidentified objects were sighted flying over Oakridge, Tennessee, at…

UNCLASSIFIED

DETAILS:

1. Investigation requested by Colonel C. D. GASSER, AMC Engineering Field Officer, Oakridge, Tennessee, on 20 June 1949.

AT KNOXVILLE, TENNESSEE

2. At 1640 hours, 20 June 1949, the Federal Bureau of Investigation, Knoxville, Tennessee, reported to the Knoxville Detachment, 8th District OSI IG, Knoxville, Tennessee, that residents of Oakridge, Tennessee, had reported sighting unidentified objects flying over Oakridge, Tennessee.

AT OAKRIDGE, TENNESSEE

3. At 1900 hours, 20 June 1949, Mr. and Mrs. [redacted] Oakridge, Tennessee, stated that at approximately 1200 hours,…

UNCLASSIFIED
AT MUNICIPAL AIRPORT, KNOXVILLE, TENNESSEE

6. At 0900 hours, 21 June 1949, Mr. RUSSELL J. YOUNKIN, Assistant Official in charge of the Weather Bureau, Municipal Airport, Knoxville, Tennessee, stated that their records indicated that a balloon was released by them at 1005 hours, 19 June 1949. This balloon was followed with a theolite to an altitude of 4530 meters, and was last sighted 23 minutes after release at an altitude of 6500 meters, SSW (196) of the station. This balloon did not carry any attachments. The following is the wind recording for 19 June 1949:

|  Surface | 50 de…

UNCLASSIFIED
DEPARTMENT OF THE AIR FORCE
HEADQUARTERS UNITED STATES AIR FORCE
Washington
5D-OSI/JEM/fmn
The Inspector General, USAF
5th District Office of Special Investigations
Wright-Patterson Air Force Base, Dayton, Ohio
In Reply Refer to: 5D 24-21 30 June 1949
SUBJECT: PROJECT, Incident at Oakridge, Tennessee SPECIAL INQUIRY
TO: Commanding General
Air Materiel Command
Wright-Patterson Air Force Base
Dayton, Ohio
ATTN: MCIAXS
1. Inclosed for your information and any action deemed necessary is report of investigation by Special Agent ARTHUR J. DALE, District Office No. 8, dated 23 June 1949.…

UNCLASSIFIED
UNCLASSIFIED

Bsc Ltr fr 5th Dist OSI, WPAFH, to SC APS, WPAFE, dtd 30 June 1949,
subj: Project Grudge, Incident at Oakridge, Tennessee, Special Inquiry

at 2000 feet 6 meters per second at 120 degrees. A discrepancy of 40 degrees exists between these readings and those submitted by your office. Confirmation of your wind readings is desired.

FOR THE COMMANDING GENERAL:

Incl: w/d

W. R. CLINGERMAN
Colonel, USAF
Acting Chief, Intelligence Department

2

INCIDENT NO. 380

1. Date of Observation 19 June 49 Date of Interview 22 June 49
2. Exact Time (local) 1200
3. Place of Observation Oak Ridge, Tennessee
4. Position of observer Ground
5. What attracted attention to object.
6. Number of objects 3
7. Apparent size Rectangular appeared to have area of 4-10 square feet
8. Color of object Rectangular object appeared. Bright metal on top, dark underneath. Flat circular object, color of frosted glass.
9. Shape 2 Rectangular, flat circular.
10. Altitude 1000 feet
11. Direction from observer South East
12. Distance from observer
13. Direction of flight…

Page 2 Incident 380

Name and address of observer:
Mr. & Mrs. [redacted] Oak Ridge, Tenn.
Occupation and hobbies:
Mr. [redacted] at, Oak Ridge, Tenn.
Biologist
School Teacher

Comments of Interrogator relative to intelligence and character of observer(s):
Considered reliable

NARRATIVE SUMMARY:
AT OAKRIDGE, TENNESSEE: At 1900 hours, 20 June 1949, Mr. and Mrs. [redacted] Oakridge, Tennessee, stated that at approximately 1200 hours, 19 June 1949, they sighted three unidentified objects flying from the southeast, over Oakridge, Tennessee. Mrs. [redacted] first sighted the objects and called M…