MORTAR EXERCISE U.S. Army Pfc. Daniel Stamper, right, ducks down after helping to fire a 60 mm mortar round in the desert around Forward Operating Base Grizzly in Diyala, Iraq, March 23, 2010. Stamper is assigned to the 2nd Infantry Division's Company A, 1st Battalion, 23rd Infantry Regiment, 3rd Stryker Brigade Combat Team. This was part of a three-day fire coordination exercise designed for forward observers and mortarmen to rehearse and practice their skills. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 914547-V-BDX37-894.jpg Photo Gallery