Unexplained
Unspecified over Chinnampo · South Korea
Investigated by a competent body and left unresolved. The rarest grade, and never awarded by us — only recorded.
The report, as filed
Chinnampo, Korea. 9:51 a.m. Witnesses: crew of USAF B-29 bomber, including scanners and tail gunner. A large red-yellow glow burst and became blue-white. No further information in files.
Held as-reported from Project Blue Book, United States Air Force. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.