28936206.pdf

STO 10073 (TDE)
PROJECT 10073 RECORD

|  1. DATE - TIME GROUP | 2 August 49 03/0130Z  |
| --- | --- |
|  2. SOURCE | Military  |
|  4. NUMBER OF OBJECTS | One  |
|  5. LENGTH OF OBSERVATION | 15 Minutes  |
|  6. TYPE OF OBSERVATION | Air-Visual  |
|  7. COURSE | N/A  |
|  8. PHOTOS | ☑ Yes ☐ No  |
|  9. PHYSICAL EVIDENCE | ☐ Yes ☑ No  |
|  LOCATION | 44.15N 137.57W (Pacific)  |
| --- | --- |
|  10. CONCLUSION | Other (CLOUD/CONTRAIL)  |
|  11. BRIEF SUMMARY AND ANALYSIS | Observers sighted what appeared to be an unusual cloud formation. The formation was made up of streaks which appeared to be…

UNCLASSIFIED

|  HEADQUARTERS UNITED STATES AIR FORCE | FILE NO. | DATE  |
| --- | --- | --- |
|  THE INSPECTOR GENERAL | 24-21 | 21 September 1949  |
|  OFFICE OF SPECIAL INVESTIGATIONS. | REPORT MADE BY |   |
|  REPORT OF INVESTIGATION | S/A JOSEPH W. CAGLE |   |
|  TITLE | REPORT MADE AT |   |
|  UNKNOWN SUBJECT | DO #19, Fairfield-Suisun AFB, Calif. |   |
|  UNUSUAL AERIAL PHENOMENA | PERIOD |   |
|  Near Position No. 6(4415NX1325W) | 27 August 1949 - 12 September 1949 |   |
|  Fairfield-Suisun AFB, California | OFFICE OF ORIGIN |   |
|  "Project Sign" | DO #19, Fairfield-Suisun AFB, Calif…

UNCLASSIFIED
19D OSI 24-21
DETAILS: (Cont'd)

|  Aircraft Commander | 1st Lt GLEN D. MULL  |
| --- | --- |
|  Pilot, | 1st Lt WESTLY HAMILTON  |
|  Navigator: | 1st Lt JOHN MATT  |
|  Weather Observer: | 1st Lt PHILIP C. KEMP  |
|  Engineer: | T/Sgt CHRISTIAN E. BEURAKER  |
|  Radio Operator: | S/Sgt ELTON GRATHWOHL  |
|  Radio Operator: | S/Sgt LEONARD FEIDMAN  |
|  Radar Observer: | T/Sgt CHESTOR ARNOLD  |
|  Scanner: | S/Sgt VICTOR POULIN  |

3. On 27 August 1949, 1st Lt JOHN MATT, AO-716496, Navigator, 374th Recon Sq. (VLR) Weather, Fairfield-Suisun AFB, California, was interviewed and sta…

UNCLASSIFIED
19D OSI 24-21
DETAILS: (Cont'd)

comparison. MATT further stated that no object was observed either in the air, nor on the sea.

4. On 12 September 1949, 1st Lt PHILIP G. KEMP, AO-936481, Weather Observer, 374th Recon Sq. (VLH) Weather, Fairfield-Suisun AFB, California, was interviewed and stated in substance: On Tuesday 2 August 1949, at approximately 1730 hours his attention was directed, by the Navigator, to an unusual formation which appeared at 10 o'clock high, in relation to the track of flight of the "Lark Dog" mission aircraft. KEMP further stated that the formation appear…

UNCLASSIFIED
19D CSI 24-21

DETAILS:

1. This investigation was requested by Colonel JOHN G. SWOPE, District Commander, DO #19, Fairfield-Suisun AFB, California, and predicated upon receipt of an Intelligence Report from the 374th Reconnaissance Squadron (VLR) Weather, Fairfield-Suisun AFB, California, dated 5 August 1949, reporting the sighting of an unusual aerial phenomenon at 1729 hours, 2 August 1949, by 1st Lt GLEN D. MULL, AO-936481, 1st Lt JOHN MATT AO-716496 and 1st Lt PHILIP G. KEMP, AO-748010, all crew members of the "Lark Dog" weather mission, while on a scheduled weather flight at…

UNCLASSIFIED
19D OSI 24-21

DETAILS:

Sky Conditions
4/10ths Cirrus Clouds --- Base at 25,000 feet
8/10ths Strata Cumulus Clouds --- Base 1500 feet
Tops 3000 feet

Visibility---Unrestricted

Hinds Aloft
10,000 feet 220 degrees at 20 Knots
18,000 feet 220 degrees at 24 Knots

On 1 September 1949, information was received from the Commander, Air Force Pacific Fleet that no Naval Air Operations were conducted in the area 45 degrees 15 minutes North and 137 degrees 57 minutes West on 2 August 1949.

PENDING

INCLOSURES

For District Office #5, Wright-Patterson AFB, Dayton, Ohio
1. One photograph, …

UNCLASSIFIED
19D OSI 24-21

UNDERLOPED LEADS
DISTRICT OFFICE NO. 19, FAIRFIELD-SUISUN AFB, CALIFORNIA
AT SAN FRANCISCO, CALIFORNIA

a. Will contact the Civil Aeronautics Authority, San Francisco, for schedule of all flights in the area 44 degrees 15 minutes North 132 degrees 57 minutes West on 2 August 1949 at 1730 hours.

b. Will contact the Intelligence Division 6th Army Area Headquarters, The Presidio of San Francisco, California, to ascertain if any testing devices or missiles were released in the area 44 degrees 15 minutes North 132 degrees 57 minutes West on 2 August 1949 at 1730 hours.
…

UNCLASSIFIED
CONFIDENTIAL
4
DEPARTMENT OF THE AIR FORCE
HEADQUARTERS UNITED STATES AIR FORCE
WASHINGTON
5D-OSI/JEM/VZ
THE INSPECTOR GENERAL, USAF
8TH DISTRICT OFFICE OF SPECIAL INVESTIGATIONS
WRIGHT-PATTERSON AIR FORCE BASE, DAYTON, OHIO
IN REPLY REFER TO: 5D 24-21
4 October 1949
SUBJECT: PROJECT GRUDGE
SPECIAL INQUIRY
TO: Commanding General
Air Materiel Command
Wright-Patterson Air Force Base
Dayton, Ohio
ATTN: MCIAXS
1. Inclosed for your information and necessary action is report of investigation of Special Agent JOSEPH W. CAGLE, DO #19, dated 21 September 1949.
2. Investigation is continuin…