UFO over a beach in North Carolina in 2013

On 2013, in an unidentified city located in North Carolina, an unusual shape has been photographed over a beach. It was not a bird or an airplane. So, what is it?

Witness reports:

Hello, I have seen so many UFOs within a few years, my children have seen them as well with me. My sister sent me a pic of her relaxing on the beach and I happened to run across the object I The air. I have seen so many it's habit for me to always look up so I wasn't trying to look for it, but it was there. Hope these pictures help.