Sailors from amphibious assault ship USS Tarawa (LHA 1), guided-missile destroyer USS Hopper (DDG 70) and Marines from 11th Marine Expeditionary Unit clean trash and debris from local beaches on the island of Pulau Ubin. The Sailors and Marines donated their time and labor during a brief port visit to Singapore. Tarawa and embarked 11th Marine Expeditionary Unit are on a regularly scheduled deployment in support of maritime security operations and the global war on terrorism.