U.S. Navy sailors and Marines recover combat rubber reconnaissance craft manned by Marines assigned to the 31st Marine Expeditionary Unit at the stern gate of the amphibious dock landing ship USS Harpers Ferry (LSD 49) while underway in the Philippine Sea on Sept. 19, 2010. The Harpers Ferry is on patrol in the western Pacific Ocean as a part of the Essex Amphibious Ready Group, which is participating in Valiant Shield 2010. The integrated joint-training exercise is designed to enhance interoperability between U.S. forces.