Extraterrestrial vehicles: Abbr

• Subjects of some 911 calls
• Some sky lights, to some
• Radar anomalies
• Sci-fi vehicles, for short
• Dubious crafts
• Sky mysteries
• Ships that might be piloted by Martians: Abbr
• Alleged visitors
• Abductees' destinations, in some hard-to-believe stories

Wiktionary Word definitions in Wiktionary
n. (plural of ufo English)