U.S. Navy Boatswain's Mate Third Class Robert Barnes signals a Sailor to approach an MH-60R Seahawk helicopter assigned to Helicopter Maritime Strike Squadron 51 aboard the guided missile destroyer USS Mustin in the Philippine Sea Sept. 20, 2013. The Mustin was part of the George Washington Carrier Strike Group and was underway in the U.S. 7th Fleet area of responsibility supporting maritime security operations and theater security cooperation efforts.