U.S. soldiers prepare 155 mm rounds for an M777 howitzer live-fire exercise at the 7th Army Joint Multinational Training Command’s Grafenwoehr Training Area, Germany, Jan. 23, 2015. U.S. soldiers prepare 155 mm rounds for an M777 howitzer live-fire exercise at the 7th Army Joint Multinational Training Command’s Grafenwoehr Training Area, Germany, Jan. 23, 2015. SHARE: Download: Full Size (1.65 MB) Tags: Photo Essays Credit: VIRIN: 035926-D-ZHR67-063.jpg Photo Gallery