Army Staff Sgt. Russell Vidler does a celebratory chin up after completing the final obstacle of the confidence course during the Army Training and Doctrine Command Drill Sergeant of the Year competition on Fort Jackson, S.C., Sept. 8, 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

Photo by: U.S. Army Sgt. 1st Class Brian Hamilton |  VIRIN: 150908-A-OY832-001.JPG