Hey! It's got wheels, and therefore I'm not compromising my standards! Who knew I could stretch an "Anything cool with wheels" philosophy so far and wide?
You'll notice the interesting tanker in the lower left corner, must have been detached from a semi truck?
For the other flying saucers that they made in the 1950's look at these three http://justacarguy.blogspot.com/2010/02/proof-that-man-can-design-flying.html