200609-N-NO901-008 BALTIC SEA (June 9, 2020) Sailors aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75) observers the Supply-class fast combat support ship USNS Supply (T-AOE 6) execute multinational surface warfare division tactics during BALTOPS 2020. BALTOPS is the premier annual maritime-focused exercise in the Baltic region, enhancing flexibility and interoperability among allied and partner nations. (U.S. Navy Photo by Lt. j.g. Sarah Claudy/Released)