151010-N-AC887-002 GROTON, Conn. (Oct. 10, 2015) Secretary of the Navy (SECNAV) Ray Mabus delivers remarks during the christening ceremony for the Pre-Commissioning Unit (PCU) Illinois (SSN 786). During his speech, Mabus spoke about the capabilities of the Virginia-class submarine as well as its namesake. (U.S. Navy photo by Chief Mass Communication Specialist Sam Shavers/Released)