Project Blue Book Administrative Files

This series consists of the administrative files of Project Blue Book, the U.S. Air Force investigation into unidentified flying objects (UFOs) that took place between 1947 and 1969. The files contain correspondence, staff studies, status reports, congressional hearing reports, press releases, transcripts of public and Air Force briefings, newspaper articles, and photographs. The files relate to the organization and staffing of the project, the release to the public of information about unidentified flying objects, and the progress and findings of the study.