1957.12 - 6967888 - Porto Alegro, Brazil

Document Text (OCR)

PROJECT 10073 RECORD CARD aehe.) 1. DATE 2. LOCATION 12. CONCLUSIONS Was Balloon ooo 5 December 1957 Porto Alegro, Brazil Probably Balleon Possibly Balloon — 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION Loecel an! © 00 See ae BBround- Visual O Ground-Radar Was Aircraft ooo Probably Aircraft? omt__09/1600Z a] APAy sual © Air-Intercept Radar Possibly Aircraft S$. PHOTOS ° Was Astronomical ooo OYes Probobly Astronomical Possibly Astronomical 7 }.0hJ Py 7 Re A . 7. LENGTH OF OBSERVATION 6. NUMBER OF...