The Coast Guard Cutter Anacapa crew fires explosive ammunition at the adrift Japanese fishing vessel, Ryou-Un Maru, 180 miles west of Southeast Alaskan coast, April 5, 2012. The derelict fishing vessel sank at 6:15 p.m. after the Anacapa crew used numerous rounds of explosive ammunition. (U.S. Coast Guard photo by Petty Officer 2nd Class Charly Hengen)