August 16, 2013
When U-2 spy planes first soared over Nevada in 1955, they flew higher than any other plane ever: 60,000 feet. The development and construction of the vessels were part of a top-secret CIA operative in the remote desert of Nevada known as Area 51.
When people who lived nearby saw the sleek planes — far above, glinting in the sun — they had no idea what they were. And naturally, it became widely believed they were UFOs carrying aliens .
Many of the details and history around Area 51 and U-2 planes were recently declassified by the CIA and revealed to the public on Thursday. This information comes via a 355-page report (PDF)  titled “The Central Intelligence Agency and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954 – 1974,” which the National Security Archive got the CIA to declassify under the Freedom of Information Act.
Now, many conspiracy theories could be debunked.
Full story here.