Battle Group Poland U.S. Soldiers and Lithuanian soldiers participate in a water crossing demonstration for distinguished visitors using M3 Amphibious Rigs to form a bridge so other military vehicles can pass over water safely during Saber Strike 2017 near Rukla, Lithuania, June 20, 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)