U.S. Navy Petty Officer 3rd Class Travis Hetrick mans an M2HB .50-caliber machine gun aboard the guided missile destroyer the USS Jason Dunham while under way in the U.S. 5th Fleet area of responsibility, Dec. 27, 2012. The Dunham, part of the John C. Stennis Carrier Strike Group, was deployed to conduct maritime security operations and theater security cooperation efforts to support Operation Enduring Freedom.