Document Collection

FBI Vault UFO Files (Released 2021)

16 documents 1947–1952

Incident 4AF 1208 I: Investigation of Flying Discs and Related Reports

📅 12 July 1947📍 Boise, IdahoFederal Bureau of Investigation

This document collection tracks the FBI's 1947 investigation into 'flying disc' reports, revealing the Bureau's transition from active inquiry to a policy of non-involvement as they concluded the phenomena were likely military or non-existent. The files document interviews with witnesses like Kenneth Arnold and the FBI's coordination with the Army Air Forces to rule out secret domestic experiments.