For 62-HQ-83894 serial c254fc40-9e8b-4674-96ec-1f6ee46b8f04, what did the memos say about green fireballs near sensitive installations?

Question

For 62-HQ-83894 serial c254fc40-9e8b-4674-96ec-1f6ee46b8f04, what did the memos say about green fireballs near sensitive installations?

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An August 23, 1950 internal FBI memo from A. H. Belmont to D. M. Ladd stated that OSI had "expressed concern in connection with the continued appearance of unexplained phenomena described as green fireballs, discs and meteors in the vicinity of sensitive installations in New Mexico." The memo also noted that Dr. La Paz, described as "Meteor Expert of the University of New Mexico," reported that the phenomena did not appear to be of meteoric origin, and that OSI had contracted with Land-Air Inc. of Alamogordo, New Mexico, to conduct a scientific study [62-HQ-83894/c254fc40-9e8b-4674-96ec-1f6ee46b8f04]. A subsequent section of the file, titled "Results of an Inquiry by Professor Lincoln La Paz," recorded that Dr. La Paz submitted his analysis on May 23, 1950, concluding that approximately half the recorded phenomena were of meteoric origin. The remaining phenomena, referred to as "green fireballs or discs," he believed to be U.S. guided missiles being tested near the installations. He cautioned that if that interpretation were wrong, a systematic investigation should begin immediately, and he noted that missiles traveling at the velocities observed for the green fireballs and discs could travel from the Ural region of the USSR to New Mexico in less than 15 minutes [62-HQ-83894/c254fc40-9e8b-4674-96ec-1f6ee46b8f04]. A concluding section noted that as of August 10, 1950, the Albuquerque Field Office reported no new developments in identifying the phenomena. It also recorded that Dr. Anthony O. Mirarchi, Project Engineer, had been informed of the Bureau's jurisdiction relative to espionage and sabotage, and that arrangements were made to promptly advise the Bureau if additional information indicated any jurisdiction on its part. The memo closed with "Action: None. The above is for your information" [62-HQ-83894/c254fc40-9e8b-4674-96ec-1f6ee46b8f04].