In this picture taken Friday, Sept. 21, 2012, a U.S. Navy speedboat passes in front of multinational military ships as it approaches the British Royal Navy's HMS Atherstone, unseen, in the Persian Gulf. More than 30 nations are participating in an exercise responding to simulated sea-mine attacks in international waters _ a demonstration of international resolve to ensure maritime security in the strategic but volatile region. (AP Photo/Hasan Jamali)
