U.S. Navy quartermasters aboard the guided-missile cruiser USS Bunker Hill (CG 52) chart a course as the ship transits the Strait of Magellan March 16, 2010. Bunker Hill is supporting Southern Seas 2010, a U.S. Southern Command-directed operation that provides U.S. and international forces the opportunity to operate in a multinational environment. (DoD photo by Mass Communication Specialist 2nd Class Daniel Barker, U.S. Navy/Released)
