White UFO change shape over San Antonio

On January 23, 2016, a UFO has been filmed over the city of San Antonio, in Texas. Object was changing regularly shape. It was white and bright. What is it?

Scott C. Waring explains:

These UFOs are appear all over the world, but are easiest to see during the day when there are few clouds and a blue sky. I caught a similar one in Taiwan on Nov 2015. I didn't have a zoom like this guy. I only had a phone. Great catch. It is probably recording human history. Something we tend to forget and alter.

Eyewitness states:

For those unfamiliar with this phenomenon U.F.O VARIABLE....It is believed that these Crafts are converting the Suns Energy into Electromagnetic to travel around..If you pay close attention you will notice these U.F.O's have spheres that rotates inside them....According to the Hypotheses Thermomagnetic: In reality these spheres are converting Suns Energy into Electromagnetic.. I have researched this subject and come to realized this a Real Phenomenon..In my opinion i believe to have captured one traveling overhead...Thanks to my good friend and fellow Skywatcher Jason Bales...For a first we will clearly see it change shape..And witness for yourself as these U.F.O Orbs move around inside its structure...Rare look at how these U.F.Os Interact.... A High Definition Camera was used EQUIPMENT:JVC GZ-HD3U