180725-N-ZA692-0106 Pacific Ocean (July 25, 2018) Aviation Structural Mechanic 2nd Class Matthew Armijo, assigned to Helicopter Maritime Strike Squadron (HSM) 37 cleans the tail pylon of an MH-60R Sea Hawk helicopter aboard the guided-missile destroyer USS Preble (DDG 88), July 25, 2018. Preble is underway 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)