Czech soldiers, assigned to 13th Field Artillery Regiment, plan for a mission as part of Exercise Dynamic Front II at the 7th Army Training Command's Grafenwoehr Training Area, Germany, March 8, 2017. Dynamic Front is an artillery operability exercise and focuses on developing solutions within the theater level fires system by executing multi-echelon fires and testing interoperability at the tactical level. It includes nearly 1,400 participants from nine NATO nations. (U.S. Army photo by Sarah Tate)