150202-N-ZE250-022 GUANTANAMO BAY, Cuba - Sailors prepare rope on the forecastle of Arleigh-Burke Class Guided Missile Destroyer USS Jason Dunham as part of a sea and anchor detail Feb. 2. USS Jason Dunham is currently underway in support of Operation Martillo, a joint operation with the U.S. Coast Guard and partner nations, within the 4th Fleet area of responsibility.