USS Blue Ridge (LCC-19) is the lead ship of the two Blue Ridge-class command ships of the U.S. Navy, and is the command ship of the United States Seventh Fleet. Her primary role is to provide Command, Control, Communications, Computers, and Intelligence (C4I) support to the commander and staff of the United States Seventh Fleet. She is currently forward-deployed to US Navy Fleet Activities, Yokosuka, Japan and is the third Navy ship named after the Blue Ridge Mountains, a range of mountains in the Appalachian Mountains of the eastern United States. Blue Ridge is currently the second oldest active ship in US service after Denver.