U.S. Marine Corps Assault Amphibious Vehicle 7A1s from the 3rd Assault Amphibian Battalion, 1st Marine Division, advance on the shore while conducting a beach landing training exercise while a AH-1W Super Cobra, left, and UH-1Y Huey fly overhead during Dawn Blitz 2013 at Green Beach on Camp Pendleton, Calif., June 23, 2013. Dawn Blitz 2013 is a multinational amphibious exercise that promotes interoperability between the Navy and Marine Corps and coalition partners, June 11-28. Participating countries include Canada, Japan, New Zealand and observers from seven countries. (U.S. Marine Corps photo by Lance Cpl. Darien J. Bjorndal/Released)