March 28, 1954 — Cherokee, WY
1:25 a.m. Capt. Sperry and his copilot on United Air Lines Flight 600, flying east at 19,000 feet 12 miles east of Cherokee (near Creston), Wyoming, spot a bright green glowing object at 12°–15° above the horizon coming downward at an angle of 30° to the left of vertical and disappearing behind a cloud bank. It is also seen by the pilot of a DC-3 west of Sinclair, Wyoming, at 13,000 feet. [Eberhart]
CIRVS Report Telex:
Sources:
Timothy Good, Above Top Secret, pp. 283–284;
Brad Sparks, Blue Book Unknowns Catalogue, Case 1022, p. 211;
