Window Leap Army Staff Sgt. Russell Vidler leaps through a window at the Fit to Win obstacle course during the Army Training and Doctrine Command Drill Sergeant of the Year competition on Fort Jackson, S.C., Sept. 9, 2015. Vidler is a Reserve drill sergeant assigned to the 98th Training Division. U.S. Army photo by Sgt. 1st Class Brian Hamilton SHARE: Download: Full Size (2.49 MB) Tags: photo essays, drill sergeant of the year, army reserve, fort jackson, all images Credit: U.S. Army Sgt. 1st Class Brian Hamilton VIRIN: 150909-A-OY832-002.JPG Photo Gallery