europe
CIA Information Report from April 1956 detailing a November 1955 letter from Hungary. The letter describes public excitement over 'flying saucers' moving at 12,000 km/h, with a sketch showing a course from Budapest to Moscow.
CIA report from 1976 on Soviet Aeroflot's aerospace medical research. It details methods for combating crew fatigue, including physical conditioning, automated pre-flight medical tests, and prophylactoriums, and briefly mentions UFO phenomena.
CIA Information Report from 1956 detailing a letter from a niece in Budapest, Hungary, describing sightings of 'flying saucers (rockets)' in November 1955. Includes a sketch of the objects' formation and suspected course.
