A smoke grenade screens the movement of Marines with Charlie Company, Battalion Landing Team 1st Battalion, 2nd Marine Regiment, 24th Marine Expeditionary Unit, as they run to a safe zone during patrolling exercises through an urban complex at Udairi Range in Kuwait, July 14, 2012. The 24th MEU is deployed with the Iwo Jima Amphibious Ready Group as a U.S. Central Command theater reserve force providing support for maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility.