180219-N-ON977-0098 SATTAHIP, Thailand (Feb. 19, 2018) U.S. Navy Construction Mechanic 3rd Class Luke Jackson, and U.S. Navy Utilitiesman 2nd Class James Rieger, assigned to Underwater Construction Team 2, control a Teledyne Oceanscience Z-Boat 1800 during a hydrographic survey in Sattahip, Thailand for Exercise Cobra Gold 2018. Cobra Gold 2018 provides a venue for the United States, allied and partner nations to advance interoperability and increase partner capacity in planning and executing complex and realistic multinational force and combined task force operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alfred A. Coffield/Released)