973 matching evidence objects
Ranked by relevance
Matching “National Academy of Sciences” across titles, summaries, and full OCR text.
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A letter from Dr. E. J. Le Du to the Federal Aviation Administration inquiring about the availability of U.F.O. data related to a Japan Airlines sighting, including tapes, photos, and drawings.
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This document reports a sighting of an unidentified flying object by crew members of a reconnaissance squadron in Alaska on March 9, 1949. The object was observed at approximately 4,000 feet with an estimated speed of 200 knots.
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This document details two separate sightings of an unidentified flying object (UFO) by a B-29 crew from the 4/5th Reconnaissance Squadron on March 9, 1949. The sightings suggest the possible presence of an alien aircraft, with descriptions of the object's speed, altitude, and light characteristics.
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This document is an Air Intelligence Information Report from the National Archives, detailing observations of unidentified aerial phenomena. The report includes classified information and is dated June 1948.
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This document outlines the responsibilities and limitations of the War Department regarding the use of its drawings and specifications by manufacturers. It emphasizes the government's non-liability and proprietary interests while also referencing the Espionage Act.
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The Swedish Defense Staff has found no proof of unidentified flying objects or missiles over Sweden, despite extensive investigations into reported sightings, which were attributed to astronomical phenomena.
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The document appears to be a corrupted or incomplete text from the National Archives, making it difficult to extract coherent information or context regarding UAP/UFOs.
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The document appears to be a fragmented and unclear text from the National Archives, lacking coherent information regarding UAP/UFO phenomena.
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The document appears to be a fragmented and unclear text from the National Archives, lacking coherent information regarding UAP/UFOs.
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The document appears to be a declassified record from the National Archives, but the text is largely illegible and does not provide coherent information regarding UAP/UFO phenomena.
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This document appears to be a declassified record from the National Archives, but the text is largely illegible and lacks coherent information regarding UAP/UFO phenomena.
100% match
This document appears to be a fragmented and unclear text from the National Archives, lacking coherent information regarding UAP/UFO phenomena.
100% match
This document appears to be a declassified record from the National Archives, but the text is largely illegible and does not provide clear information regarding UAP/UFO phenomena.
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The document appears to be a heavily redacted or corrupted text from the National Archives, lacking coherent information or context regarding UAP/UFOs.
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This document appears to be a declassified record from the National Archives, but the text is largely illegible and does not provide clear information regarding UAP/UFO phenomena.
100% match
This document appears to be a fragmented and unclear text from the National Archives, lacking coherent information regarding UAP/UFO phenomena.
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The document appears to be a fragmented and unclear text from the National Archives, possibly related to UAP/UFO investigations. The content is largely illegible and lacks coherent information.
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The document appears to be a fragmented and unclear text from the National Archives, possibly related to UAP/UFO investigations, but lacks coherent information.
100% match
The document appears to be a fragmented and unclear text from the National Archives, lacking coherent information regarding UAP/UFO phenomena.
100% match
The document appears to be a fragmented and unclear text from the National Archives, lacking coherent information regarding UAP/UFO phenomena.