CIA-UAP-013：异常飞行物目击报告及相关科学活动
CIA-UAP-013, Report of Unusual Flying Object Sightings and Attendant Scientific Activity
这份文件包含了据称来自西藏和美国各地报告的异常飞行物目击事件及相关科学活动。该文件已标注为"绝密"。
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This 1956 CIA Information Report describes flying object sightings reported by a Budapest-based sub-source, including a sketch showing the objects' suspected formation and flight path between Budapest and Moscow. A more redacted version of this report has been available on CIA's public website.
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原始文件托管于美国战争部服务器，链接来自 war.gov。