MARINETTE, Wis. (Oct. 18 , 2014) Secretary of the Navy (SECNAV) Ray Mabus delivers remarks during the christening ceremony for the littoral combat ship Pre-Commissioning Unit (PCU) Detroit (LCS 7) at Marinette Marine Corp. shipyard in Marinette, Wis. (U.S. Navy photo by Chief Mass Communication Specialist Sam Shavers/Released)