There were two prototypes actually made and [Real Engineering] has a short video on how the prototypes worked, how the real design might have ... you wonder how many UFO sightings it caused.

Experimentation with disc- or saucer-shaped aircraft goes back ... they do is hard because of all the extra drag the design causes. For UFO enthusiasts, an intriguing possibility is that these ...

Shaped like a flying saucer, it looks more like a UFO than your next Uber ... told the Daily Mail the design was inspired by ...

Object 'is raised about 10 to 13ft above seabed and curved at the sides like a mushroom' Theories on origins range from downed UFO, to forgotten World War II base, or meteorite ...