Pennsylvania UFOs witnessed by military pilots unsolved despite government investigations
July 23, 1952: Three F-94 Starfire fighter jets cruised at 644 miles per hour in the skies above Pottstown, Pennsylvania. Fighter pilots reported seeing a silver "large pear-shaped" object with no visible means of propulsion. Two smaller, darker objects also appeared to run circles around the larger craft for approximately 30 minutes. The alleged encounter 40 miles northeast of Philadelphia was one of 12,618 incidents detailed and investigated by Project Blue Book, a government program to assess the credibility and potential threat of unidentified flying objects. Six decades later, the U.S. m...