A U.S. paratrooper fires a M777A2 howitzer during a live-fire exercise at the Joint Multinational Training Command's Grafenwoehr Training Area in Germany, April 30, 2015. A U.S. paratrooper fires a M777A2 howitzer during a live-fire exercise at the Joint Multinational Training Command's Grafenwoehr Training Area in Germany, April 30, 2015. SHARE IMAGE: Download Image: Full Size (2.37 MB) Tags: Photo Essays Photo By: VIRIN: 211035-G-KAK10-766.jpg Photo Gallery