Night Ledger

Record 256 · February 2024

Report on the Historical Record of U.S. Government Involvement with Unidentified Anomalous Phenomena (UAP), Volume I

All-domain Anomaly Resolution Office (AARO), U.S. Department of Defense · United States

Ledger illustration of the record — not a scan of the original paper. — Night Ledger illustration of the file

ReportUnclassified

The report states that all prior U.S. government investigations, academic research, and review panels found no confirmation that any UAP sighting represented extraterrestrial technology. It assesses that claims of hidden UAP reverse-engineering programs, recovered off-world craft, or non-human biologics largely stem from circular reporting, misidentification of authentic classified national security programs unrelated to UAP exploitation, or inaccurate second- and third-hand accounts. Specific claims, including an alleged 1947 crash sample analyzed by Oak Ridge National Laboratory, were determined to be a terrestrial magnesium-zinc-bismuth alloy manufactured on Earth. The KONA BLUE proposal is described as an unapproved Prospective Special Access Program based on the assumption that such materials existed; it was rejected by DHS leadership for lacking merit, received no funding or materials, and was never established. No verifiable evidence was found for any U.S. government or contractor possession of extraterrestrial technology or biologics.

Public file: U.S. Department of Defense / AARO

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