Ensign John Horne, assigned to 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.

SAN FRANCISCO (Oct. 05, 2012) Ensign John Horne, assigned to 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. San Francisco Fleet Week 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. The U.S. Navy has a 237-year heritage of defending freedom and projecting and protecting U.S. interests around the globe. Join the conversation on social media using #warfighting. (U.S. Navy photo by Mass Communication Specialist 2nd Class Torrey Lee) File# 121005-N-CJ186-179