190609-N-IT235-042 KIEL, Germany (June 9, 2019) Sailors aboard the Arleigh Burke-class guided missile destroyer USS Gravely (DDG 107) man the rails as the ship gets underway for Baltic Operations (BALTOPS) in Kiel, Germany, June 9, 2019. BALTOPS is the premier annual maritime-focused exercise in the Baltic Region, marking the 47th year of one of the largest exercises in Northern Europe enhancing flexibility and interoperability among allied and partnered nations. (U.S. Navy Photo by Mass Communication Specialist 1st Class J.R. Peregrino/Released)