Ural region, USSR (referenced)

FBI internal memos from 1950 document OSI concern over green fireballs and discs observed near sensitive installations in New Mexico, and a separate incident in Philadelphia on September 26, 1950, in which two police officers watched a round lavender object, described as dewy and like soap suds, float to the ground on Vare Boulevard near 26th Street and completely disintegrate over approximately 25 minutes. Lincoln La Paz of the University of New Mexico concluded that roughly half the New Mexico phenomena were meteoric; the remainder he attributed to U.S.