U.S. Marines from the USS Tortuga use amphibious assault vehicles, smoke flares and explosives for an amphibious assault during exercise Cooperation Afloat Readiness and Training 2013 off the coast of Malaysia, June 21, 2013. The series of bilateral military exercises includes the U.S. Navy and the armed forces of Bangladesh, Brunei, Cambodia, Indonesia, Malaysia, the Philippines, Singapore, Thailand and Timor-Leste.