This 245-page historical file assembles 1947-1948 Air Force correspondence, sighting reports, investigative requests, policy memoranda, and analytical papers associated with flying-disc inquiries and Project SIGN. It documents how Air Materiel Command gathered reports, coordinated intelligence collection, evaluated possible explanations, and considered the problem unresolved despite identifying some reports as balloons or astronomical objects.

The released record says the phenomenon reported is something real and not visionary or fictitious. File: 18 100754 General 1946-7 Vol 2. 18 100754 General 1946-7 Vol 2 combines an official, downloadable document, 7 extracted claims, 6 evidence records, and 6 timeline entries across 28 source pages, and file-level provenance that can be compared with related release records.

The released record says the Air Force policy is to collect, collate, evaluate, and act on information concerning sightings and phenomena in the atmosphere. File: 18 6369445 General 1948 Vol 1. 18 6369445 General 1948 Vol 1 combines an official, downloadable document, 8 extracted claims, 5 evidence records, and 5 timeline entries across 28 source pages, and file-level provenance that can be compared with related release records.