PACIFIC OCEAN (June 04, 2015) Engineman 3rd Class Andrea Gasca completes a written damage control test aboard Whidbey Island-class amphibious dock landing ship USS Rushmore (LSD 47). The Essex Amphibious Ready Group is currently operating in the 7th fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Chelsea Troy Milburn/Released)