USAF record 28965750

PROJECT 10073 RECORD CARD

1. DATE 2. LOCATION Alberton, Montana

3. DATE-TIME GROUP Level: GMT: 31/0359Z

4. TYPE OF OBSERVATION XR Ground-Visual ☐ Ground-Radar ☐ Air-Visual ☐ Air-Intercept Radar

5. PHOTOS ☐ Yes ☐ No

6. SOURCE Civilian

7. LENGTH OF OBSERVATION 47 minutes

8. NUMBER OF OBJECTS two

9. COURSE descending

10. BRIEF SUMMARY OF SIGHTING Two objects both the size & shape of parachutes, reported in the West (angle of elevation unknown), estimated altitude of 40,000 feet. Color of a white magnesium flares - changed to red at disappearance. Objects appeared to be descending.

No Report In File

11. COMMENTS Received by AF Form 112, A check brought to HQ w/ADC WX Service revealed that four balloons out of Vernalis, Calif., were in the Montana area, location unknown due to failure of telemetering equipment. It is known that these balloons had a pressure altitude of 40,000 ft; it is the opinion of this unit that this sighting was possibly caused by two of these balloons.

CONCLUSIONS: Was Balloon ☐ Probable Balloon EX: Possibly Balloon Was Aircraft ☐ Probable Aircraft Was Astronomical ☐ Probable Astronomical Was Astronomical ☐ Probable Astronomical Other: Insufficient Data for Evaluation Unknown