SAN FRANCISCO BAY - Coast Guard Fireman Kristin Carfi, stationed at Station Golden Gate, after performing a check of the engine room aboard a 47-foot Motor Lifeboat, Thursday, Feb. 10, 2011. Carfi recently completed the machinery technician strikers program and expects a promotion to petty officer this summer. Each year the station performs approximately 600 search and rescue cases and approximately 300 law enforcement boardings, making Station Golden Gate the busiest station on the West Coast. U.S. Coast Guard photo by Petty Officer 3rd Class Erik Swanson.