SAN FRANCISCO - An MH-65 Dolphin helicopter and an MH-60 Jayhawk helicopter are static displays on the grounds of the air station's hangar during the unit's 70th anniversary celebration, Wednesday, October 5, 2011. Air Station San Francisco was established in 1941 with missions in search and rescue, law enforcement, port security, and environmental protection in the Bay Area spanning over 300 miles of coastline, from Fort Bragg to Point Conception. U.S. Coast Guard photo by Lt. Todd Vorenkamp.