SAN FRANCISCO (July 9, 2007) - Coast Guard crews from Stations San Francisco, Rio Vista and Bodega Bay patrolled McCovey Cove near AT&T Park during the Home Run Derby. The Coast Guard, along with other local law enforcement agencies, monitored and enforced security zones throughout the area. All boaters were required to register in order to gain entry into the cove. (Coast Guard photo by Petty Officer Sherri Eng).