Secretary of the Navy Ray Mabus has approved Naval Weapons Station Seal Beach, Calif., as the commissioning location of Pre-commissioning Unit (PCU) Dewey, the Navy's newest and most technologically advanced guided-missile destroyer. The event will be the first time a U.S. Navy warship has been commissioned at Seal Beach. Deborah Mullen, wife of Adm. Mike G. Mullen, chairman of the Joint Chiefs of Staff, is the ship's sponsor. She had previously christened the ship during a ceremony at Northrop Grumman Shipbuilding in Pascagoula, Miss., Jan. 26, 2008. The new destroyer honors Adm.