Keywords: US Navy 120114-N-ZZ999-001 Susan Ring Keith christens the littoral combat ship Pre-Commissioning Unit (PCU) Coronado (LCS 4).jpg Austal USA The Independence-class ship has a trimaran hull design a shallow draft three weapon zones and a flight deck U S Navy photo courtesy Austal USA/Released 2012-01-14 120114-N-ZZ999-001 Navy http //www navy mil/view_image asp id 113437 U S Navy photo courtesy Austal USA PD-USGov-Military-Navy Austal USA shipyard in Mobile Alabama USS Coronado LCS-4 Ship christenings in the United States Navy |