Machinist's Mate 3rd Class Erville Villaruz from Delano, Calif., uses sounding tape to conduct a water indicating base test on the fuel aboard Austin-class amphibious transport dock ship USS Denver (LPD 9). Denver is part of the Bonhomme Richard Amphibious Ready Group and is conducting joint force amphibious operations in the U.S. 7th Fleet area of operations with the 31st Marine Expeditionary Unit (MEU) and Commander Amphibious Squadron Eleven. (U.S. Navy photo by Mass Communication Specialist 3rd Class Bradley J. Gee/Released)