Archive record · pdf

Project Blue Book Master Index (12,618 cases)

Source label

U.S. Air Force

Catalog date

1969-12-17

Record type

pdf

Record summary

The master index of all 12,618 UFO sightings investigated by Project Blue Book from 1947 to 1969, including the 701 cases classified as 'Unknown.' Final official tally compiled at Blue Book's December 1969 closure.

This is archive metadata, not a transcript. Catalog dates may refer to a release or collection rather than the event itself.