What happened
A round-topped, flat-bottomed object about 60 feet across, with a long acetylene-colored flame shooting downward, flew straight and level, made a half loop and rose, within a minute.
"round-topped, flat-bottomed object"Shape words from the Project Blue Book summary
A round-topped, flat-bottomed object about 60 feet across, with a long acetylene-colored flame shooting downward, flew straight and level, made a half loop and rose, within a minute.
J. J. Winkle
No explanation has been found.
Filed by Project Blue Book as unidentified.