Chief Warrant Officer Dennis Croyle, a member of U.S. Coast Guard Sector San Diego's prevention department, watches as the crew boat departs from the tanker ship Ardenne Venture after an annual exam off the coast of San Diego, Aug. 3, 2012. The Coast Guard carries out exams on foreign vessels to ensure they comply with United States and international regulations governing necessary safety equipment, crew qualifications and pollution restrictions prior to operating in U.S. waters and ports.