Pulp Magazine Cover, 1952

This publication is a classified U.S. Air Force intelligence report documenting UFO sightings under Project Blue Book. The main featured content is an Air Intelligence Information Report dated July 1952, prepared by Lt. William R. Riley at the 31st Air Division, concerning an incident on July 17, 1952, near Duluth, Minnesota. Mr. and Mrs. [names redacted] of St. Paul reported sighting four circular, disc-shaped luminous objects in formation flying approximately 20 miles southwest of Duluth. The objects, estimated at two feet in diameter with light more intense at their centers, flew southbound in staggered formation, approached almost directly over the observers' automobile on State Highway 33, then wheeled westward and northward before vanishing, traveling at under 100 mph with no sound or exhaust. The sighting lasted about fifteen seconds. Weather conditions included scattered clouds and thunderstorms in the area. The report includes witness questionnaires, technical evaluation forms, and official dispatch communications summarizing the incident details.