The Japanese fishing vessel, Ryou-Un Maru, shows significant signs of damage after the Coast Guard Cutter Anancapa fired explosive ammunition into it 180 miles west of the Southeast Alaskan coast, April 5, 2012. The derelict fishing vessel sank at 6:15 p.m. in 6,000 feet of water. (U.S. Coast Guard photo by Petty Officer 2nd Class Brandon Thomas)