Unexplained
Sphere over Mayaquez · Puerto Rico
Investigated by a competent body and left unresolved. The rarest grade, and never awarded by us — only recorded.
The report, as filed
Mayaquez, Puerto Rico. 7 p.m. Witnesses: Attorney and ex-USAF pilot Mr. Stipes, Sr. Garcia-Mendez. Two shining orange spheres: one was stationary, while the other darted away and back for 30 minutes.
Held as-reported from Project Blue Book, United States Air Force. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.