U.S. paratroopers fire M777A2 howitzers during an exercise at the Joint Multinational Training Command's Grafenwoehr Training Area in Germany, April 30, 2015. U.S. paratroopers fire M777A2 howitzers during an exercise at the Joint Multinational Training Command's Grafenwoehr Training Area in Germany, April 30, 2015. SHARE: Download: Full Size (1.81 MB) Tags: Photo Essays Credit: VIRIN: 657713-V-YVA05-141.jpg Photo Gallery