28949166.pdf

PROJECT 10073 RECORD CARD

|  1. DATE | 2. LOCATION | 12. CONCLUSIONS  |
| --- | --- | --- |
|  26 Aug 52 | Sacramento, Calif. | ☐ Was Balloon ☐ Probably Balloon ☐ Possibly Balloon  |
|  3. DATE-TIME GROUP | 4. TYPE OF OBSERVATION | ☐ Was Aircraft ☐ Probably Aircraft ☐ Possibly Aircraft  |
|  Local 2400 PDT | ☑ Ground-Visual ☐ Air-Visual ☐ Ground-Rador ☐ Air-Intercept Rador | ☐ Was Astronomical ☐ Probably Astronomical ☐ Possibly Astronomical  |
|  CMT | ☐ 6. SOURCE | ☐ Other ☐ Insufficient Data for Evaluation ☐ Unknown  |
|  5. PHOTOS | ☐ Yes ☑ No | military  |
|  7. LENGTH OF OBSERVATION | 8.…

5

HEADQUARTERS
55TH STRATEGIC RECONNAISSANCE SQUADRON, MEDIUM, WEATHER
McClellan Air Force Base, McClellan, California

55TH SRS 360 SEP 4 1952

SUBJECT: Unidentified Flying Objects

TO: Director of Intelligence
Headquarters
United States Air Force
Washington 25, D.C.

Chief, Air Technical Intelligence Center
ATTN: ATIAA-2c
Wright Patterson AFB, Ohio

1. In accordance with Air Force Letter 200-5, 29 April 1952, the following information is submitted:

a. Subject sighting consisted of three round, light orange colored objects about the size of grapefruit. (Size is observer's impression only si…

55TH SBS
Subject: Unidentified Flying Objects

(1) No Weather

(2) Winds: 5,000 feet, 240 degrees at 5 knots
10,000 feet, 210 degrees at 6 knots
15,000 feet, 195 degrees at 7 knots
20,000 feet, 180 degrees at 13 knots

g. At the time of the sightings the moon was new.
There was no activity or conditions that might account for the
sightings.

h. There is no physical evidence of the sightings.

i. There was no interception.

j. There was no other air traffic visible at the time
of the sightings.

2. Attached herewith is the written statement of the observer.

FOR THE COMMANDING OFFICER:

CHALLES…

TO WHOM IT MAY CONCERN:

While returning from a late movie in the city of Sacramento, California, the undersigned and an accompanying friend were going to where we had parked our car, in a parking lot near the Gibson Bus Lines.

My friend told me to look up into the sky and pointed in a northerly direction, the undersigned looked in the direction that the friend was pointing and saw three (3) orange colored objects, appearing to be the same size and shape of an average grapefruit. The objects appeared to be at an extremely high altitude and traveling at a very high rate of speed. After looking…

PROJECT 10073 WORKSHEET
I. GENERAL

|  1. DATE | 2. LOCATION | 3. TIME  |
| --- | --- | --- |
|  26 Aug 52 | Sacramento, Calif. | Local: 2400 PM Zebra: 233700  |
|  4. WAS OBJECT OBSERVED FROM THE GROUND? | ☑ Yes ☐ Naked Eye ☐ Binoculars ☐ Telescope ☐ Theodolite | ☐ No  |
|  5. WAS OBJECT OBSERVED BY GROUND RADAR? | ☐ Yes ☐ By One Set ☐ By Two Sets ☐ By Three Sets | ☑ No  |
|  6. WAS OBJECT OBSERVED FROM THE AIR? | ☐ Yes ☑ A/C Observed Object ☐ Interception Attempted ☐ No Intercept Attempted | ☑ No  |
|  7. WERE AIRCRAFT SCRAMBLED TO INTERCEPT? | ☐ Yes ☑ A/C Scrambled ☐ Visual Contact Made ☐ A…

IV. BALLOON DATA
UHLL 001 34

21. WERE BALLOONS RELEASED IN AREA? ☐ Yes ☑ No
22. TIME SINCE SCHEDULED BALLOON RELEASE: _____ Minutes

23. POSSIBLE BALLOON LAUNCH SITES DOWNWIND OF SIGHTING:

|  Location | Type | Launching Agency | Lighted? |   | Describe Lighting  |
| --- | --- | --- | --- | --- | --- |
|   |  |  | Yes | No |   |
|  a. |  |  |  |  |   |
|  b. |  |  |  |  |   |
|  c. |  |  |  |  |   |
|  d. |  |  |  |  |   |

(attach overlay)

V. EVALUATION

21. EVALUATION OF SOURCE:
☐ Excellent
☐ Good
☑ Fair
☐ Poor
☐ Unreliable
☐ Extremely Doubtful
☐ Hoax

22. DETAILS OF REPORT:
☐ Good
☐ Fair
…

PROJECT 10073 WEATHER DATA SH

|  1. DATE OF OBSERVATION | 2. TIME OF OBSERVATION | 3. STATION OBSERVING  |
| --- | --- | --- |
|  270300Z | Aug 52 | McAllister  |
|  ALTITUDE (feet) | VELOCITY (knots) | DIRECTION (degrees) | ALTITUDE (feet) | VELOCITY (knots) | DIRECTION (degrees)  |
| --- | --- | --- | --- | --- | --- |
|  0 |  |  | 25,000 |  |   |
|  1,000 |  |  | 30,000 |  |   |
|  2,000 |  |  | 35,000 |  |   |
|  3,000 |  |  | 40,000 |  |   |
|  4,000 |  |  | 45,000 |  |   |
|  5,000 | 5 | 240 | 50,000 |  |   |
|  6,000 |  |  | 55,000 |  |   |
|  7,000 |  |  | 60,000 |  |   |
|  8,000 |  …