180606-N-FP878-147 BALTIC SEA (June 6, 2018) The Arleigh Burke-class guided-missile destroyer USS Bainbridge (DDG 96) refuels with the German Berlin-class replenishment ship Frankfurt am Main (A 1412) during 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 1st Class Theron J. Godbold/Released)