180728-N-ZA691-0062 PACIFIC OCEAN (July 28, 2018) Aviation Structural Mechanic 2nd Class Matthew Armijo performs maintenance on an MH-60R Sea Hawk helicopter assigned to Helicopter Maritime Strike Squadron (HSM) 37 aboard the guided-missile destroyer USS Preble (DDG 88), July 28. Preble is currently conducting routine operations in the U.S. 3rd Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 2nd Class Anita C. Newman/Released)