160413-N-MD297-014 ACAJUTLA, El Salvador (April 13, 2016) Sailors aboard the Arleigh Burke-class guided-missile destroyer USS Lassen (DDG 82) heave a mooring line as the ship moors in Acajutla, El Salvador for a brief stop for fuel (BSF). Lassen 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. Operation Martillo is being led by Joint Interagency Task Force South, in support of U.S. Southern Command. (U.S. Navy photo by Mass Communication Specialist 2nd Class Huey D. Younger Jr./Released)