Amphibious assault vehicles prepare to enter the well deck of the amphibious transport dock ship USS New Orleans during Dawn Blitz 2015 in the Pacific Ocean, Aug. 21, 2015. The training exercise, which involves U.S., Japanese, Mexican and New Zealand troops, aims to enhance each country's ability to activate an amphibious task force. U.S. Navy photo by Petty Officer 3rd Class Brandon Cyr