Philippine Marines and U.S. Marines execute squad attacks at Crow Valley, Philippines, Oct. 4, 2015. Philippine Marines and U.S. Marines with Battalion Landing Team 2nd Battalion, 5th Marine Regiment, 31st Marine Expeditionary Unit, are training side by side for Amphibious Landing Exercise 2015, an annual bilateral training exercise conducted by members of the Armed Forces of the Philippines alongside U.S. Marine and Navy Forces. - Philippine Marines and U.S. Marines execute squad attacks at Crow Valley, Philippines, Oct. 4, 2015. Philippine Marines and U.S. Marines with Battalion Landing Team 2nd Battalion, 5th Marine Regiment, 31st Marine Expeditionary Unit, are training side by side for Amphibious Landing Exercise 2015, an annual bilateral training exercise conducted by members of the Armed Forces of the Philippines alongside U.S. Marine and Navy Forces.

A Marine with Echo Company, Battalion Landing Team, 2nd Battalion, 6th Marine Regiment, prepares to submerge underwater while wearing a supplemental emergency breathing device at Marine Corps Base Camp Lejeune, North Carolina, Sept. 22, 2015. The company participated in the submerged vehicle egress training to gain confidence in their abilities to safely exit a sinking amphibious assault vehicle in preparation for their upcoming deployment with the 26th Marine Expeditionary Unit. - A Marine with Echo Company, Battalion Landing Team, 2nd Battalion, 6th Marine Regiment, prepares to submerge underwater while wearing a supplemental emergency breathing device at Marine Corps Base Camp Lejeune, North Carolina, Sept. 22, 2015. The company participated in the submerged vehicle egress training to gain confidence in their abilities to safely exit a sinking amphibious assault vehicle in preparation for their upcoming deployment with the 26th Marine Expeditionary Unit.