A U.S. Naval Criminal Investigative Service special agent climbs a caving ladder to board a dhow for questioning Sept. 8, 2009, while under way in the Gulf of Aden near the guided-missile cruiser USS Anzio (CG 68). Anzio is the flagship for Combined Task Force 151, a multinational task force established to detect and deter piracy in and around the Gulf of Aden, Persian Gulf, Indian Ocean and Red Sea.