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A Landing Craft Air Cushion assigned to Assault Craft Unit 5, departs the well deck of amphibious assault ship USS Boxer during an amphibious assault exercise. The Boxer Amphibious Ready Group is underway off the coast of Southern California completing a certification exercise in the Pacific Ocean, Dec 14, 2015. CERTEX is the final evaluation of the 13th Marine Expeditionary Unit and Boxer ARG prior to deployment and is intended to certify their readiness to conduct integrated missions across the full spectrum of military operations. U. S. Navy photo by Petty Officer 3rd Class Michael T. Eckelbecker