A U.S. Marine from B Company, 1st Battalion, 4th Marine Regiment, 1st Marine Division kneels next to a M224 60mm mortar during a beach landing training exercise 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)