ARABIAN GULF (July 18, 2015) Sailors conduct a firefighting drill on the flight deck of Whidbey Island-class dock landing ship USS Rushmore (LSD 47). Rushmore, part of the Essex Amphibious Ready Group and, with the embarked 15th Marine Expeditionary Unit (15th MEU), is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Chelsea Troy Milburn/Released)