...
but reveals nothing about UFOs.
The once-classified document —In Camera Affidavit of Eugene F. Yeates: Citizens Against UFO Secrecy v. National Security Agency, October 9, 1980— was originally filed by the National Security Agency (NSA) in a 1980 lawsuit to justify the withholding of records on UFOs. The document is largely declassified—with certain sections cut out, ostensibly to protect employee names, and keep NSA technologies, skills, and foreign connections out of the limelight.