Related Clues:

• Gliders over snow
• Sci-fi staples
• Transports using runners
• Extraterrestrial spacecraft
• 'X-Files' sightings
• Winter vehicles
• Eerie sightings, briefly
• Subjects of some dubious photographs
• Winter Olympics equipment
• Snow vehicles
• Tabloid hoverers
• Winter zippers
• ET transporters
• Coasts, say
• Faraway fleet