U.S. Navy sailors aboard the USS Mahan (DDG 72) sort pallets. U.S. Navy sailors aboard the guided-missile destroyer USS Mahan (DDG 72) sort pallets during a vertical replenishment with the Military Sealift Command fleet replenishment oiler USNS Tippecanoe (T-AO 199) underway in the Gulf of Aden on Jan. 17, 2009. The Mahan is assigned to Combined Task Force 151, a multinational task force conducting counter-piracy operations in and around the Gulf of Aden, Arabian Sea, Indian Ocean and Red Sea. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 921761-Q-HTA67-191.jpg Photo Gallery