The Japanese fishing vessel, Ryou-Un Maru, is sunk in the Gulf of Alaska after receiving significant damage from the Coast Guard Cutter Anancapa crew firing explosive ammunition into it 180 miles west of the Southeast Alaskan coast on April 5, 2012. The crew was successful and sank the vessel at 6:15 p.m. in 6,000 feet of water by using explosive ammunition and filling it with water.
