150430-N-LV331-002 WASHINGTON (April 30, 2015) Secretary of the Navy (SECNAV) Ray Mabus delivers remarks as the keynote speaker at a National Press Club luncheon. During his speech and subsequent question and answer session, Mabus discussed topics ranging from military technology, budgetary challenges and manning levels of the Navy and Marine Corps. (U.S. Navy photo by Mass Communication Specialist 2nd Class Armando Gonzales/Released)