Complex sentence: USS "Mahan" (DDG-72) is an "Arleigh Burke"-class destroyer in the United States Navy, and the fourth U.S. Navy ship to bear the name.
Split into simpler sentences: USS "Mahan" (DDG-72) is an "Arleigh Burke"-class destroyer in service with the United States Navy. She is the fourth U.S. Navy ship to bear the name.