Barrel Clearing Soldiers clear the barrel after firing an M777A2 howitzer during a live-fire exercise at the 7th Army Training Command's Grafenwoehr Training Area, Germany, Aug. 8, 2018. Army photo by Christoph Koppers SHARE: Download: Full Size (1.51 MB) Tags: European Security, European Command, Eucom, Soldiers, Army, training Credit: Christoph Koppers VIRIN: 180808-A-XV631-0010A.JPG Photo Gallery