Unexplained

Disk over west of Thule · GL

Investigated by a competent body and left unresolved. The rarest grade, and never awarded by us — only recorded.

The report, as filed

west of Thule, Greenland (77' N., 75* 15' W.) 10:50 a.m. Witnesses: two U.S. Navy pilots flying a P4Y-2 patrol plane. Three white disc-shaped or spherical objects hovered, then flew very fast in a triangular formation, in 2-3 minutes. Sept. l, 1952; Marietta, Georgia. 10:50 p.m. Witness: ex-AAF B-25 gunner. Two large white disc-shaped objects with green vapor trails flew in trail formation, merged, flew away very fast.

Held as-reported from Project Blue Book, United States Air Force. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.