PORT ARTHUR, Texas - The response vessel Gulf Coast Responder, a 210-foot oil spill response vessel, skims oil on the Sabine-Naches waterway to facilitate clean up of the waterway, protection of the environment and reopening of the waterway to vessel traffic. More than 530 responders are coordinating efforts to clean the Sabine-Naches waterway to prevent harm to the enviroment and reopen the waterway to vessel traffic. U.S. Coast Guard photo by Petty Officer 3rd Class Tom Atkeson