Marines with 1st Battalion, 5th Marine Regiment, 1st Marine Division use a compass to determine their left and right lateral limits on the beaches of Marine Corps Base Camp Pendleton, Calif., during Exercise Dawn Blitz 2015, Sept. 5, 2015. Dawn Blitz is a multinational training exercise designed to enhance Expeditionary Strike Group Three and 1st Marine Expeditionary Brigade’s ability to conduct sea-based operations, amphibious landings, and command and control capabilities alongside Japan, Mexico and New Zealand. - Marines with 1st Battalion, 5th Marine Regiment, 1st Marine Division use a compass to determine their left and right lateral limits on the beaches of Marine Corps Base Camp Pendleton, Calif., during Exercise Dawn Blitz 2015, Sept. 5, 2015. Dawn Blitz is a multinational training exercise designed to enhance Expeditionary Strike Group Three and 1st Marine Expeditionary Brigade’s ability to conduct sea-based operations, amphibious landings, and command and control capabilities alongside Japan, Mexico and New Zealand.