Sailors climb a ladder during visit, board, search and seizure team training aboard the guided-missile destroyer USS Halsey (DDG 97) in the Gulf of Aden on Feb. 25, 2012. The Halsey is the flagship for Combined Task Force 151, a multinational, mission-based task force working under Combined Maritime Forces, to conduct counter-piracy operations in the southern Red Sea, Gulf of Aden, Somali Basin, Arabian Sea and Indian Ocean.