Monthly Sightings Reports: January 1966 – December 1966

This document is a comprehensive, chronological compilation of Unidentified Aerial Phenomena (UAP) sightings reported throughout the year 1966. The report is structured as a series of monthly logs, detailing sightings from January through December. Each entry provides the date of the sighting, the location, the observer, and an official evaluation of the event. The evaluations reflect a systematic effort to categorize reports, with common classifications including 'Insufficient Data', 'Aircraft', 'Astro' (referring to stars or planets), and 'Satellite'. Many entries also note specific astronomical bodies such as Venus, Jupiter, or Sirius, or identify objects as weather balloons or contrails. The document also includes sections for 'Additional Reported Sightings (Not Cases)', which appear to be reports that were excluded from the primary investigation list, often due to lack of sufficient information or because they were identified as non-anomalous. The document is marked as 'UNCLASSIFIED' on every page, indicating its status as a public or non-sensitive record of the year's reporting activity. The data suggests a high volume of reports, particularly in the United States, with a significant portion of these reports ultimately being dismissed or identified as conventional objects or phenomena.