Soldiers prepare a howitzer during exercise Dynamic Front 18 at the 7th Army Training Command's Grafenwoehr Training Area, Germany, March 06, 2018. The soldiers are assigned to the 4th Battalion, 319th Airborne Field Artillery Regiment, 173rd Airborne Brigade. Dynamic Front is an annual U.S. Army Europe exercise focused on the interoperability of U.S. Army, joint service and allied nation artillery and fire support in a multinational environment. Army photo by Markus Rauchenberger