Petty Officer 1st Class John Sherwood, Petty Officer 2nd Class Geoffrey Cote, and Fireman Harley Satara from Aids to Navigation Team San Francisco stand beside Alcatraz Lighthouse. U.S. Coast Guard photo by Chief Petty Officer Marcelino Ortiz. Story by Walter Ham The Alcatraz Lighthouse not only guides mariners through the San Francisco Bay but also welcomes tourists to the island that used to house...