The San Francisco Maritime National Park Association operates USS Pampanito (SS-383) a WW II submarine museum and memorial in San Francisco, CA. Pampanito made six patrols in the Pacific during World War II during which she sank six enemy ships and damaged four others. Today Pampanito hosts as many as 250,000 visitors a year and is one of the most popular historic naval ships in the country. In addition to day time visitors, thousands of children each year participate in her day and nighttime educational programs. Pampanito is a leader in ship museum preservation and restoration programs with over half its equipment restored to operation. Pampanito is a National Historic Landmark.