Lithuanian and U.S. Army Soldiers officially launch Saber Strike 18 with the opening ceremony in Vilnius, Lithuania, June 3, 2018. Saber Strike 18 is a multinational exercise scheduled to run June 3-15 that tests NATO’s enhanced forward presence battle groups located in Estonia, Latvia, Lithuania and Poland. (U.S. Army photo by Staff Sgt. Sharon Matthias / 22nd Mobile Public Affairs Detachment)