HOWITZER TRAINING U.S. Army Sgt. Matthew Conrad, right, shows Afghan soldiers how to adjust the aim on a D-30 122mm howitzer on Forward Operating Base Tagab in Kapisa province, Afghanistan, Sept. 3, 2013. Conrad is assigned to the 10th Mountain Division's 5th Battalion, 25th Field Artillery Regiment, 4th Brigade Combat Team. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 615656-U-BSO48-964.jpg Photo Gallery