180219-N-ON977-0156 SATTAHIP, Thailand (Feb. 19, 2018) U.S. Navy Sailors assigned to Mobile Diving and Salvage Unit (MDSU) 1, check dive gear before a surface decompression dive with Royal Thai Navy divers at the RTN Dive School pool in a team building exercise 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 by Mass Communication Specialist 2nd Class Alfred A. Coffield/Released)