Document Collection

Miscellaneous Documents

336 documents 1942–2021

NSA Response to FOIA Request MDR-73494 Regarding UFO Records

National Security Agency

The NSA denied a FOIA request for UFO records, stating that such topics are outside its mission and that the requested documents contain sensitive communications intelligence (COMINT) that must remain classified to protect national security. The release includes a 1980 affidavit from the NSA's Chief of Policy justifying the withholding of 156 reports based on the need to protect intelligence sources and methods.