PACIFIC OCEAN (Sept. 27, 2007) - Guided-missile destroyer USS John Paul Jones (DDG 53), assigned to Nimitz Carrier Strike Group, fires her five-inch MK-45 54-caliber lightweight gun during a sea power demonstration for friends and family members aboard nuclear-powered aircraft carrier USS Nimitz (CVN 68). Nimitz Strike Group and embarked Carrier Air Wing (CVW) 11 are returning to their homeport of San Diego after a six-month deployment. U.S. Navy photo by Mass Communication Specialist Seaman David L. Smart (RELEASED)