190218-N-UI104-0004 PACIFIC OCEAN (Feb. 18, 2019) Engineman 1st Class Blake Petenbrink, from St. Marys, Georgia, and Machinist’s Mate 3rd Class Christopher Johnson, from Mt. Vernon, New York, inspect a piston prior to installing it in the drive end assembly of a high-pressure pump aboard the Arleigh Burke-class guided-missile destroyer USS Preble (DDG 88) in the Pacific Ocean, Feb. 18, 2019. Preble is deployed to the U.S. 7th Fleet area of operations in support of security and stability in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 1st Class Bryan Niegel/Released)