150218-N-ZE250-057 CARIBBEAN SEA (Feb.18, 2015) Quartermaster Seaman Steven Lopez and Boatswains Mate Nickey Barnes practice vertical replenishment with an SH-60 Sea Hawk helicopter assigned to Helicopter Maritime Strike Squadron (HSM) 46 on the flight deck of the Arleigh-Burke class guided-missile destroyer USS Jason Dunham (DDG 109). Jason Dunham is underway supporting Operation Martillo, a joint operation with the U.S. Coast Guard and partner nations in the U.S. 4th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Weston Jones/Released)