S. DATETIME GROUP PROJECT 10073 RECORD CARD 2. LOCATION Alberton, Montana ~. TYPE OF OBSERVATION x'JtGround-VIaual 0 GroundRodor D Alrlntercept Radar 7. LENGTH Ofl OIIERVATION 47 minutes I. NUMBER OP OBJECTS 9. COURSE two descending 12. CONCLUSION$ 0 Woa Bolloon 0 Proboblr Balloon x Poulblr Balloon Waa Aircraft D Proboblr Alrcroft Poulblr Alrcroft 0 Woa Aatronoml col Probobl )' AatrortOml cal Poulblr Aatrorromlcal 0 lnaufflcfent Ooto for Evaluation 0 Unlcnown 110. IAIEfl SUMMARY Ofl IIOHTINO I 1. COMMENTS Two objects toth the size & shape of Received by AF Form 112. A checl~ parachutes, sighted in the West (angJe by this hq w/ADC WX Service re- of elevation unknown), estimated vealed that four balloons our o: altitude of 40,000 feet. Color of a Vernallis, Calif. were in the white magnesium flare-changed to red Montana area, location unknown at disappearance. Objects appeared due to failure of telemetering to be descending. equipment. It is known that the e No Report In File balloons were at a presetr.alti- tude of 40,000 ft. It is the opinion of this hq that this sighting was possibly caused by two of these balloons.