Project 10073 Record Card and Related Correspondence — Alert, Ellesmere Island, February 1955

This document contains a series of military communications regarding a sighting reported on February 15, 1955, at an RCAF weather station on Alert, Ellesmere Island. Three weather observers reported seeing a single object at 1330Z, which they described as a dense, narrow, dark grey line in a straight formation, moving from the southwest to the northeast. The object was observed for fifteen to twenty minutes at an estimated altitude of five to six thousand feet. The sighting was reported through military channels, including the 64th Air Division Defense at Pepperrell AFB, Newfoundland, and the Air Technical Intelligence Center (ATIC). Official evaluations concluded that the phenomenon was a contrail, possibly formed by an aircraft of unknown nationality. Military radar surveillance for the area reported no unidentified traffic during the time of the sighting. The documentation includes a Project 10073 record card and several teletype messages confirming the details and the subsequent evaluation of the event as a contrail.