170525-N-VO150-002 VENTSPILS, Latvia (May 25, 2017) The Military Sealift Command maritime prepositioning ship USNS Sgt. William R. Button (T-AK 3012) is moored off the coast of Latvia for the Saber Strike 17 Maritime Prepositioning Force offload operations. The annual combined-joint exercise is conducted at various locations throughout the Baltic region and Poland. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kenneth Gardner/Released)