Rock Spring Smoke An Army paratrooper prepares to place an explosive at the Grafenwoehr Training Area in Germany, March 6, 2019, during Rock Spring, an exercise that includes air, armor and infantry assets. SHARE: Download: Full Size (4.3 MB) Tags: Army, Training, Rock Spring Credit: Army Sgt. Henry Villarama VIRIN: 190306-A-AR102-674C.JPG Photo Gallery