June 8, 1952 — Albuquerque, NM
10:50 a.m. Four flat, round, shiny objects in a diamond formation are seen in Albuquerque, New Mexico, from the ground by Mr. and Mrs. J. D. Markland. The objects are approximately 15,000 feet in altitude and traveling 300 mph. There is no audible sound. They are first seen at about 60° above the horizon to the north and are traveling to the southwest at approximately 240°. [Eberhart]
Sources:
Brad Sparks, Blue Book Unknowns Catalogue, Case 613 (BBU 1263), p. 138;
Michael D. Swords, “Intelligent Motions,” IUR 33, no. 1 (March 2010): 10, 15;
NICAP, “Diamond Formation of Flat Objects Observed”;
Maj. Fournet’s Motion Study