Battle Group Poland and 15th Mechanized Brigade conduct a Road March with U.S., U.K. and Polish tactical vehicles from Bemowo Piskie Training Area to the Sulwalki Gap and then to the Polish Lithuanian border June 18, 2017. Saber Strike 17 is a U.S. Army Europe-led multinational combined forces exercise conducted annually to enhance the NATO Alliance throughout the Baltic region and Poland. This year's exercise includes integrated and synchronized deterrence-oriented training designed to improve interoperability and readiness of the 20 participating nations' militaries. (U.S. Army photo by Spc. Stefan English)