Obstacle Leap Army Staff Sgt. Russell Vidler leaps over the wall at the Fit to Win obstacle course on Fort Jackson, S.C., Sept. 9, 2015. Vidler, a Reserve drill sergeant assigned to the 98th Training Division, was in a head-to-head competition for the title of Army Reserve's top drill sergeant. U.S. Army photo by Sgt. 1st Class Brian Hamilton SHARE: Download: Full Size (1.71 MB) Credit: U.S. Army Sgt. 1st Class Brian Hamilton VIRIN: 150909-A-OY832-001.JPG Photo Gallery