Project 10073 Record Card and Incoming Classified Message - 26 November 1951

This document consists of a Project 10073 Record Card and an accompanying incoming classified message from the Department of the Air Force, dated 28 November 1951. The report details a sighting that occurred in Greenland on 26 November 1951 at approximately 2138Z. According to the report, an object was observed in the northwest sky, exhibiting a gradual lighting effect that transitioned from black to bluish to red over a duration of ten seconds. Following this visual event, a sound described as an explosion was heard. Notably, the report indicates that the charing of windows occurred five to six minutes after the initial sighting. The observation was witnessed by four officers and a tower operator. A Danish Liaison Officer was also noted as having observed the event and was in the process of contacting Godthaab for further information. The official conclusion recorded on the Project 10073 card is 'Insufficient Data for Evaluation,' with a note stating that the initial message was not received. The document is marked as Confidential and includes instructions for downgrading at three-year intervals, with declassification after twelve years per DOD Directive 5200.10.