U.S. Marines with India Company, 3rd Battalion, 5th Marine Regiment, 31st Marine Expeditionary Unit and Philippine marines arrive at a beach during a mechanized assault as part of Amphibious Landing Exercise (PHIBLEX) 15 in Zambales, Luzon, Philippines, Oct. 5, 2014. PHIBLEX is a bilateral training exercise designed to improve the interoperability, readiness and professional relationships between the U.S. Marine Corps and partner nations. (DoD photo by Staff Sgt. Joseph DiGirolamo, U.S. Marine Corps)