190909-N-UN744-1242 KORSOR, Denmark (Sept. 9, 2019) Sailors assigned to Mobile Diving and Salvage Unit (MDSU) 2 retrieve a Remote Environmental Measuring Units (REMUS) 100 unmanned underwater vehicle after completing its mission to collect side-scan sonar surface images during exercise Northern Coasts in Korsor, Denmark, Sept. 9, 2019. Northern Coasts provides the opportunity for participating nations to engage in realistic maritime training, to build experience and teamwork, and strengthen our interoperability as we work toward mutual goals. (U.S. Navy photo by Chief Mass Communication Specialist Travis Simmons/Released)