California: UFO - Strange Light Streaking Across The Sky

Social media lit up on Saturday night, with reports of streaking lights across the skies from California to Arizona . Users of social media platforms, such as Twitter and Facebook posted photos, comments, and video of the lights, wondering, whether they might have come from everything from a meteor to a UFO.
But the phenomenon turned out to be a US Navy missile test flight ,launched off the southern California coast, the Pentagon said.