180602-N-NG710-010 BALTIC SEA (June 5, 2018) The Blue Ridge-class command and control ship USS Mount Whitney (LCC 20), left, is underway alongside the German Berlin-class replenishment ship FGS Frankfurt A.M. (A1412) during a replenishment-at-sea as part of exercise Baltic Operations (BALTOPS) 2018. BALTOPS is the premier annual maritime-focused exercise in the Baltic Region and one of the largest exercises in Northern Europe that is designed to enhancing flexibility and interoperability among allied and partner nations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Justin Rankin/Released)