Artist's impression of one of Xenu's space planes or "space wagons".
The kidnapped populace was loaded into space planes for transport to the site of extermination, the planet of Teegeeack (Earth). The space planes were exact copies of Douglas DC-8s, "except the DC-8 had fans, propellers on it and the space plane didn't." - see en:Xenu#Summary of the Xenu story.
Now, science fiction writers following the cue of some chap, I've forgotten his name now, Einstein, Beinstein, something like that, who said that MC squared over C wouldn't go, man, and that the speed of light could not be excessive. And actually I was looking up some speed tables the other day, and a trillion light years per day is not full throttle on a space wagon. So there's traffic between galaxies and there's traffic between islands of galaxies and other islands of galaxies. Interesting. [L. Ron Hubbard, "The Helatrobus Implants", SHSBC-266, lecture of 21 May 63]
From English Wikipedia Artist's impression of one of Xenu's space planes. :''The kidnapped populace was loaded into space planes for transport to the site of extermination, the planet of Teegeeack (Earth). The space planes were exact copies of Dougl