EIGHT-WHEEL WORK U.S. Army soldiers perform an exercise in an eight-wheeled Stryker mechanized vehicle in a training area in Novo Selo, Bulgaria, Sept. 3, 2009. The soldiers are assigned to the 2nd Stryker Cavalry Regiment. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 712034-P-TAJ26-397.jpg Photo Gallery