Military forces from the U.S., U.K., Lithuania, Canada, Poland and Romania participate in a combined arms live-fire exercise for the distinguished visitors day during Saber Strike 2017, at Bemowo Piskie Training Area, near Orzysz, Poland, June 16, 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)