150211-N-ZE250-061 NAVAL STATION GUANTANAMO BAY - Sonar Technician Seaman Stephen Nadraus polishes the ship's bell on the forecastle of Arleigh-Burke Class Guided Missile Destroyer USS Jason Dunham while in port at Naval Station Guantanamo Bay. USS Jason Dunham is currently supporting Operation Martillo, a joint operation with the U.S. Coast Guard and partner nations, within the 4th Fleet area of responsibility.