Hungary reported triangle delta observation — January 1956

On or during January 1956, at or near Hungary, the source reports the following sequence: CONCLUSIONS ☐ Was Balloon ☐ Possibly Balloon ☐ Was Aircraft ☐ Probably Aircraft ☐ Possibly Aircraft ☐ Was Astronomical ☐ Possibly Astronomical ☐ Other ☒ Insufficient Data for Evaluation ☐ Unknown [Stamp on right side of the card] R61.535 Jan 16 1956 FORM 329 (REV 26 SEP 52) --- Text from the document: Unidentified Flying objects seen near Oroszlány: Witness saw four dimly lit unidentified flying objects, each, triangular with bright spot in center. While rotating the group of objects moved slowly from W to E. Exhaust flames, streaks of light or vapor not observed; noise not heard.