TEST FIRING U.S. Army Sgt. 1st Class Fredrick Edwards test fires a D-30 howitzer at the Kabul Military Training Center, Afghanistan, March 19, 2013. These test fires are the final step for this refurbished artillery weapon. SHARE: Download: Full Size (56.72079 MB) Tags: week in photos, week in photos Credit: VIRIN: 698004-S-VOI62-388.jpg Photo Gallery