Army Sgt Jason Vikre adjusts the aim of a howitzer during the Saber Junction 17 exercise at Hohenfels Training Area, Germany, May 3, 2017. Saber Junction 17 is the U.S. Army Europe’s 2nd Cavalry Regiment’s certification exercise, taking place at the Joint Multinational Readiness Center. Vikre is assigned to the 2nd Cavalry Regiment. Army photo by Pfc. Zachery Perkins