Ensign John Horne, of the Arleigh Burke-class guided

Ensign John Horne, of the Arleigh Burke-class guided missile destroyer USS Spruance (DDG 111), gives a tour of the ship's forecastle during San Francisco Fleet Week 2012. SFFW is scheduled from Oct. 3-8 and brings more than 2,500 sailors, Marines and Coast Guardsmen from four ships to the city of San Francisco in order to highlight the personnel, technology and capabilities of the sea services. (U.S. Navy photo by Mass Communication Specialist 2nd Class Torrey Lee/RELEASED)