OCR recovered text quality varies — view PDF for accurate reading.3 PROJECT 10073 B:6Eround-Visual 0 AirVisual at. 29/44002 RECORD CARD 1 i ¥ CONCLUSIONS XI Wos Beolleon O Probably Bolloon O Possibly Bolleen 12. Was Aireraft Probobly Aircroft Possibly Aircroft DO Ground-Radar | O Air-Intercept Radar |'s. PHOTOS == | 4 SOURCE — QO Yes X Xe ! Civilian Wos Astronomical Probably Astronomicol Possibly Astronomicol O00 O00 | 7. LENGTH OF OBSERVATION "8. NUMBER OF OBJECTS 1% hours BRIEF SUMMARY OF SIGHTING one 10. . |Obj observed after observation of a/c ~ |to be at estimated 17,000 feet rising F |& driftidg to position overhead at {estimated elevation of 40,000 feet. Observation prior to sunset. Obj had © |light, I! |Lander 42,.48N 108.,43W — with any wind Cora 43,10N 109 40W J | traveled in 13 ee BN | East & the flijgh E & occurring rarely considered this unssual. All charactex- loon PERRI, 1 the 2e5°G°h ist | | === — F. ATIC FORM 379 (REV 26 SEP 52) 8 Either of these cs of bal Other. ” Insufficient Dato for Evaluation { Unk nawn | 1a IL 9. COURSE 0 | west/rising nm. COMMENTS Balloon release Radiosonde fm Lander Wyoming, 55 miles to E & slightly to the S of Cora at interval of one hour prior to | sighting. Also release Rawinsonde | balloons # hour prior to sighting. would be in position to be observed yelocity indicated by the distance ‘hours, Prevailing winds are to the | t toward the west would be ungsud] accounting for the fact that