U.S. Marines look at the sunset as the amphibious assault ship USS Iwo Jima transits through the Suez Canal, Egypt, June 22, 2015. The Marines are assigned to the 24th Marine Expeditionary Unit, which is deployed on the USS Iwo Jima and the Iwo Jima Amphibious Ready Group to support U.S. national security interests in the U.S. 6th Fleet area of operations.