May 17, 2013 9:08 pm Marine Race Through Recon Challenge Two dozen pairs of reconnaissance Marines are racing this 23-mile “Recon Challenge” which involves swimming and trekking through a difficult course. US & World Videos 3:42 USS Carl Vinson returns to San Diego after deployment 28:47 American Vets: Benefits, Race and Inequality 3:24 Beyond the battlefield: A salute to service for a local veteran 26:59 American Vets: Benefits. Race & Inequality 3:00 Why Was This Popular Web Cam Overlooking San Diego Bay Shut Off?