Area 51 phenomena ... or what five puzzle answers are?

• Specks of light in some home movies, purportedly
• Tabloid craft
• Weather balloons, to some viewers
• Vehicles that come from Neptune, maybe: Abbr
• Phenomena of interest to the U.S.A.F.
• Subjects of some supposed government cover-ups
• Faraway fleet?
• Some sky lights
• Controversial saucers

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