Related Clues:
- One line at passport control
- Subjects of some dubious photographs
- Tabloid hoverers
- They're out of this world
- ET transporters
- To us, they're worlds apart
- Ufologist's concern
- Klingons and Vulcans
- Faraway fleet
- Sci-fi sights
- ''X-Files'' subjects
- Ships from space, briefly
- Sci-fi invaders
- Alien craft
- Extraterrestrials' fleet