Thousands of researchers have filed requests via the Freedom of Information Act, hoping to force the military to unleash documents or videos generated during the secret study. The main contractor for the Pentagon was a Las Vegas company.

So far, the Pentagon hasn't complied with any of the requests for more information. But now, the I-Team has obtained key documents related to the UFO inquiry.

The Pentagon's release last December of a 2004 encounter between pilots from the USS Nimitz and a mystery machine dubbed the Tic Tac UFO generated huge headlines and demands for more releases.

Two more followed. The Gimbal video from 2015 and another nicknamed Go Fast. As many as two dozen more videos are still in the Pentagon vaults, according to the man who ran the military's secret UFO study for years.

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