09/23/2014: Ships and aircraft sank the decommissioned former USS Fresno (LST 1182) September 15, 2014 in waters 18,000 feet deep, 215 nautical miles northeast of Guam as part of the exercise Valiant Shield 2014. Credit: III Marine Expeditionary Force / Marine Corps Installations Pacific:9/19/14 The participating sinking exercise (SINKEX) units…