Secretary of Defense Ash Carter addresses Marines and Sailors with the 26th Marine Expeditionary Unit and assigned to the amphibious assault ship USS Kearsarge (LHD 3) during a distinguished visit aboard the USS Kearsarge Dec. 19, 2015. The 26th Marine Expeditionary Unit is embarked on the Kearsarge Amphibious Ready Group and is deployed to maintain regional security in the U.S. 5th Fleet area of operations. (U.S. Marine Corps photo by Cpl. Joshua W. Brown/Released)