June 2, 2011 7:14 am Saluting the U.S. Navy Vice Admiral Samuel Lee Gravely Jr. We salute U.S. Navy Vice Admiral Samuel Lee Gravely Jr., the first African-American to command a major Naval Warship. US & World Videos 3:04 Witness of Del Mar shark attack says victim ‘truly fought for his life' 2:53 Shark scientists using new DNA technology to track white sharks in San Diego's waters 2:10 Thousands run in San Diego's annual Rock ‘n' Roll Marathon 0:26 Crews battling fire across US-Mexico border near Otay Mountain 2:43 Large voter turnout at San Diego Mexican Consulate in Little Italy for presidential election