160615-N-PF515-004 USTKA, Poland (June 15, 2016) Polish soldiers from the Mechanized Coastal Defense Brigade participate in a ground assault during the tactical exercise phase of BALTOPS 2016, June 15. BALTOPS is an annual recurring multinational exercise designed to improve interoperability, enhance flexibility, and demonstrate the resolve of allied and partner nations to defend the Baltic region. (U.S. Navy photo by Mass Communication Specialist 1st Class America A. Henry/ Released)