CIA-UAP-013 — Report of Unusual Flying Object Sightings and Attendant Scientific Activity

Official PURSUE description (Department of War / AARO, release 03):

This 1956 CIA Information Report describes flying object sightings reported by a Budapest-based sub-source, including a sketch showing the objects' suspected formation and flight path between Budapest and Moscow. A more redacted version of this report has been available on CIA's public website.