Secretary of the Navy (SECNAV) Ray Mabus administers the oath of office to Ensign Jordan Robinson before a Chicago White Sox Major League Baseball game at Cellular Field. While in Chicago, Mabus took part in a Navy-sponsored Science, Technology, Engineering and Mathematics (STEM) event and attended the pass-in-review graduation ceremony at Recruit Training Command (RTC), Great Lakes, Ill. (U.S. Navy photo by Mass Communication Specialist 1st Class Arif Patani/Released)