Yeoman 3rd Class James Wallace uses a sound powered telephone during a total ship survivability exercise aboard Austin-class amphibious transport dock ship USS Denver (LPD 9). Denver is assigned to the Bonhomme Richard Amphibious Ready Group and is conducting operations in the U.S. 7th Fleet Area of Operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Bradley J. Gee/Released)