Dec. 1—The National Museum of the U.S. Air Force has had a Avro Canada VZ-9AV Avrocar in its massive collection since late 2007. But this flying saucer-shaped vehicle is most certainly not a ...

Rather than a high-flying saucer, the Army’s Avrocar was little more than a slow-moving hovercraft. The project was canceled in December 1961 and the Canadian firm closed its doors a year later.