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Analysis of Unconventional Aircraft Sightings, 1955

Central Intelligence Agency · 1955 · 4 pages · text by GLM-OCR

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From the source: Release of 2026-07-10 Released with redactions. Sections 1 and 2 of this memorandum document a 1955 analysis of reports of “flying saucers” or “unconventional aircraft,” referencing the incident described in observer debriefings contained within CIA-UAP-D020. The memo summarizes the incident as consisting of two lights rising vertically, then passing above the observers. The memo contains caveating language that suggests the author concluded that the reports, as described, did not indicate the presence of an “unconventional aircraft.” Section 3 cites a previous finding by Dr. [Howard] Robertson (of the 1953 Robertson Panel) that “almost all the sightings […] represented no threat to the U.S.” Section 4 discusses the state of then-current research into “saucer-like aircraft” under Project “Y,” a contemporary joint U.S.-Canadian aerospace development program.

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REFERRED TO	RECEIVED	RELEASED	SEEN BY
OFFICE	SIGNATURE	DATE	TIME	DATE	TIME	SIGNATURE AND OFFICE	DATE
OS1 18 Oct 55	11:50 18 Oct
OS1/ASD 19 Oct 55	12:50
 19 Oct 55
 24 Oct 19 Oct 55
 24

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Report, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 4 pages are in the text index: search them above, or from the library's search.