Case File · AARO · Cold War / Blue Book Era (1953-1969) Declassified May 8, 2026 · PURSUE Release 01

1964 UAP Sighting — AARO Records

UFO Visual Sighting

The O’Brien Committee, including astronomer Carl Sagan, reviewed Project Blue Book in 1964. They found no evidence of a threat to national security or technology beyond terrestrial understanding and recommended further academic research.

April 1968
Unknown location
Source document: PURSUE doc 196
Source document: PURSUE doc 196 · Source: declassified document

Background

A UFO/UAP incident extracted from page 19 of AARO Historical Record Report Vol 1 2024, an All-domain Anomaly Resolution Office (AARO) document published in 2024-2025. The incident is dated 1964 and located in Unknown location.

What the document records

The O’Brien Committee, including astronomer Carl Sagan, reviewed Project Blue Book in 1964. They found no evidence of a threat to national security or technology beyond terrestrial understanding and recommended further academic research.

Witnesses on file: Dr. Brian O’Brien and committee including Carl Sagan.

Status of the case

The page-level assessment recorded in the document is: identified as not of foreign origin. AARO designates unresolved cases as those for which the agency has not concluded the events were anomalous, has not concluded they were conventional, and has not ruled out either possibility. Conventional candidates for sightings of recent periods include drones, classified test platforms, satellite re-entry, balloon traffic, atmospheric optical phenomena, and astronomical objects.

Sources