PACIFIC OCEAN (Nov. 27, 2019) Hull Maintenance Technician Fireman Benjamin Chewey, from Pottsville, Pa., checks the oxygen level on a self-contained breathing apparatus (SCBA) aboard the Arleigh Burke-class guided-missile destroyer USS Paul Hamilton Nov. 27, 2019. Paul Hamilton is underway conducting routine training in the Eastern Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist 3rd Class Matthew F. Jackson)