Meanings of extraterrestrial spaceship in English

Once inside this amazing extraterrestrial spaceship, Johann and Sister Beatrice were separated from the other nine humans.

I, Richard Wakefield, lifelong atheist, am considering being baptized on an extraterrestrial spaceship as the final action of my life.

The incident, yet another mysterious aerial event supposedly involving weather balloons, has since been seized upon by ufologists as an encounter with extraterrestrial spaceships.