A U.S. Army gun crew uses a M777 A2 howitzer to fire illumination rounds A U.S. Army gun crew uses a M777 A2 howitzer to fire illumination rounds from Forward Operating Base Hadrian in the Deh Rawud district of Afghanistan on Jan. 8, 2013. The crew from 1st Section Bravo Battery 1-9 Field Artillery of Fort Stewart, Ga., has been conducting intensive training and fire missions to support operations in Uruzgan province. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 611056-S-ASR50-772.jpg Photo Gallery