Related Clues:
- Neptunians and others
- Unaccounted-for radar blips
- Klingons, e.g.
- S.A.T. org.
- 'Star Wars' walk-ons
- 'The X-Files' extras, briefly
- 'The X-Files' extras
- Roswell sightings
- Govt. secrets?
- S.A.T. administrator
- Venusians, e.g.
- UFO passengers
- Sci-fi transportation
- Tabloid fliers
- They can cover a lot of space