Unfortunately, the flying object was not something mysterious.
Residents witnessed the phenomenon in Anaheim, Santa Monica and other areas, news outlets reported. The Orange County Sheriff’s Department said online that it was a “Naval test fire.”
Navy Strategic Systems Programs conducted scheduled Trident II (D5) missile test flight at sea from USS Kentucky, an Ohio Class SSBN, in the Pacific Test Range off the coast of Southern California, according to a statement from the Pentagon.
Here is a video: