190612-M-OX257-0313 KALLASTE, Estonia (June 12, 2019) A Sailor signals a U.S. Navy landing craft, utility to offload tactical vehicles during Exercise Baltic Operations (BALTOPS) 2019 in Kallaste, Estonia, June 12, 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 partner nations. (U.S. Marine Corps photo by Cpl. Abrey Liggins/Released)