U.S. Navy Sonar Technician (Surface) 2nd Class Deborah Mackey, assigned to the weapons departments acoustics division, fills a target with air before a live-fire exercise on the guided missile destroyer USS Bulkeley (DDG 84) in the Gulf of Oman Dec. 10, 2013. The Bulkeley was deployed as part of the Harry S. Truman Carrier Strike Group supporting maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility.