Visitors from Neptune: Abbr

• Some sci-fi pilots
• Subjects of some conspiracy theories, for short
• Little green men (abbr.)
• ''The Outer Limits'' extras
• Connections in old Rome
• Visitors from another galaxy: Abbr
• "Arrival" visitors
• Flying saucer fliers, for short
• Visitors from afar, briefly

Wikipedia Word definitions in Wikipedia
ETS is an abbreviation of: