In this picture taken Friday, Sept. 21, 2012, U.S. Navy personnel pull a small boat aboard the USS Ponce, a floating base to support mine countermeasure operations, 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)
