This 1972 CIA Intelligence Information Report summarizes a US attendee's observations of a speculative paper regarding charged mass behavior in space presented by Soviet scientists N.S. Kardashev and A. Sakharov at a conference in Armenia. A more redacted version of this report has been available on CIA's public website.

This CIA document from August 1967 reports on conversations about UFO sightings with Soviet scientists during a US astrophysicist's trip to the USSR.

This CIA Intelligence Information Report from December 1973 provides information on the Soviet Sary Shagan Weapons Testing Range, including details about its facilities, weapons systems (System-75 SA-2 and System-300/Aldan warheads), rumored laser weapon research, and unidentified aerial phenomenon observed at the site. A more redacted version of this report has been available on CIA's public website.

This November 1976 CIA Foreign Intelligence Information Report summarizes Soviet Aeroflot's involvement in aerospace medical research, including their methods for combating crew fatigue through physical conditioning, automated biological testing equipment that measures vital signs in 1-3 minutes, and discussions about UFO phenomena with a Soviet radiation biologist. A more redacted version of this report has been available on CIA's public website.

This document is a Central Intelligence Agency (CIA) intelligence information report (IIR) that describes human intelligence gathering activities in the Union of Soviet Socialist Republics (USSR). This report characterizes its content as informational, not as finally evaluated intelligence. In section 14 of this document, the source describes an incident occurring in summer of 1973, where he allegedly observed an airborne, luminous, bright green, unidentified object. The source described concentric circles forming around the phenomenon over a period of several minutes, before it dissipated. The source also stated that no sound attended the observation. The source offered no opinion on the nature of the phenomenon and was unable to provide further details regarding the incident.

Air Intelligence Information Report, 14 October 1955, Report of eye witness account of the ascent and flight of a unconventional aircraft in the trans-Caucasus region on the USSR.