151028-N-JO245-856 MEDITERRANEAN SEA (Oct. 28, 2015) Amphibious assault vehicles from the 26th Marine Expeditionary Unit conduct a test of the crafts' countermeasure smoke systems during amphibious operations after departing the amphibious dock landing ship USS Oak Hill (LSD 51) Oct. 28, 2015. Oak Hill, deployed as part of the Kearsarge Amphibious Ready Group, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 2nd Class Justin Yarborough/Released)