August 29, 1952 — Colorado Springs, CO
8:35 p.m. Civil Air Patrol pilot Carlton A. Magruder sees three aluminum-colored objects with a red-yellow exhaust over Colorado Springs, Colorado. They are 50 feet in diameter and 10 feet high, flying in line at about 1,500 mph. [Eberhart]
Sources:
Loren E. Gross, UFOs, a History: 1952, August, The Author, 1986, p. 80;
Brad Sparks, Blue Books Unknowns Catalogue, Case 802, p. 169;
NICAP, “Pilot Reports Three Objects 50ʹ in Diameter”;
