The documents listed on this page were located in response to the numerous requests received by NSA on the subject of Unidentified Flying Objects UFO. In 1980, NSA was involved in Civil Action No. 80-1562, “Citizens Against Unidentified Flying Objects Secrecy v. National Security Agency”. Documents related to that ligitation are marked with “”. “XXXXX” has been inserted in a title if a portion of the title has been deleted prior to release. To select a document click on the document title, and wait for the PDF version to be downloaded to your local viewer. Approximate file sizes are given after each selection for user convenience.