Strange luminous UFO caught in El Centro, California

On December 22, 2017, a man and his wife were driving on a road in El Centro, California, when they saw something of very strange in the night sky.

Witness report:

I was driving home northward through heavy X'mas traffic around 530pm when my wife noticed the object to my left. As soon as I could I pulled over and took a picture but was. I tried to record the sighting but my phone is very slow and my wife's phone was dead.we we're both in awe and saw this UFO heading south and disappear. I saw about 6 people also with their cell phones pointing at the object. There is a naval facility nearby in that direction around 5 miles away but it was something I couldn't imagine or expect. I'm not sure how long the sighting was already there before I saw it.