As reported
Unknown over Cam Rahn Bay (Viet Nam)
A witness account on file, unevaluated. Most of the archive rests here, and honestly so.
The report, as filed
The object with its bright light bounced up and down over the flightline like a bouncing ball,and had no engine sound.
Held as-reported from National UFO Reporting Center. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.
From the same sky