171004-N-FP878-251 IRISH SEA (Oct. 4, 2017) Boatswain’s Mate 3rd Class Dymond Khammanivong observes an MH-60 Sea Hawk helicopter assigned to the “Chargers” of Helicopter Sea Combat Squadron (HSC) 26 during a vertical replenishment with the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) in support of exercise Joint Warrior 17-2. The U.K.-led, multinational exercise develops interoperability and cooperation in all applicable warfare areas. (U.S. Navy photo by Mass Communication Specialist 1st Class Theron J. Godbold/Released)