
The skies over Sheffield, England, in 1962. (Credit: CIA files via Twitter)
The Central Intelligence Agency has declassified hundreds of documents about unidentified flying objects that have been held as secret for some time.
Mostly, the documents hail from the 1940s and 1950s.
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The CIA announced its move in a Twitter message that read: "Take a Peek Into Our #XFiles 5 docs for Mulder & 5 for Scully," a reference to the popular television series that ran years ago, "The X Files," that featured investigators of those last names.
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The Twitter post included a link to the CIA's website page, which included links to all the released documents.
"To help navigate the vast amount of data contained in our [Freedom of Information Act] UFO collection, we've decided to highlight a few documents both skeptics and believers will find interesting," the CIA wrote. "You will find five documents we think X-Files character Agent Fox Mulder would love to use to try and persuade others of the existence of extraterrestrial activity. We also pulled five documents we think his skeptical partner, Agent Diana Scully, could use to prove there is a scientific explanation for UFO sightings."
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Among the linked documents were those with titles like, "Flying Saucers Reported Over East Germany," from 1962; "Survey of Flying Saucer Reports," also from 1962; "Office Memorandum on Flying Saucers," from 1949; and "Meeting of the OSI Advisory Group on UFOs," from 1953.
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As Metro.co.uk reported, a report from 1952 states: "Less than 100 reasonably credible reports remain 'unexplainable' at this time. It is recommended that CIA surveillance be continued. It is strongly urged, however, that no reports of CIA interest or concern reach the press or public."
The full list, as well as other CIA documents on UFOs, can be accessed here.