ATLANTIC OCEAN (Dec. 5, 2009) Landing Craft Utility (LCU) 1655, from Assault Craft Unit (ACU) 2 based at Joint Expeditionary Base Little Creek-Fort Story, Va., rides over a swell in rough waters as it approaches the amphibious assault ship USS Nassau (LHA 4). Nassau is underway with other elements of the Nassau Amphibious Ready Group and the embarked 24th Marine Expeditionary Unit (24th MEU) for a certification exercise before their deployment in early 2010. (U.S. Navy photo by Mass Communication Specialist 2nd Class Coleman Thompson)