Northrop Grumman Newport News Shipyard workers prepare the port side anchor to be installed into the forecastle of the Nimitz Class Aircraft Carrier USS CARL VINSON (CVN 70) during an evolution on Nov. 21, 2006, while the CARL VINSON is undergoing an extensive scheduled Refueling Complex Overhaul (RCOH) at the Northrop Grumman Newport News Shipyards, Newport News, Va. (U.S. Navy photo by Mass Communication SPECIALIST 3rd Class Refugio Carrillo) (Released)