Marines assigned to Lima Company, Battalion Landing Team 3rd Battalion 6th Marine Regiment, 24th Marine Expeditionary Unit, participate in a live-fire exercise on the flight deck aboard USS Iwo Jima Jan. 4, 2015. The 24th MEU and Iwo Jima Amphibious Ready Group are conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Marine Corps photo by Lance Cpl. Austin A. Lewis/Released)